LQ-800 TFT LCD by fatarwiri

VIEWS: 166 PAGES: 34

									SPECIFICATIONS
1. LCD CHARACTERISTICS                                                  3-3. Operating Frequency
                                                                              Horizontal                      : 31 ~ 80kHz
  Type                   : Color Active Matrix TFT LCD
                                                                              Vertical                        : 58 ~ 85Hz
  Size                   : 18.1inch (45.97cm)
  Pixel Pitch            : 0.2805mm x 0.2805mm
                                                                      4. POWER SUPPLY
  Pixel Format           : 1280 x 1024 pixels
                           RGB Stripe Arrangement                       4-1. Power Adaptor
  Color Depth            : 8-bit, 16 million colors                           Input                  : AC 100~240V, 50/60Hz 1.2A
  Active Video Area      : 413mm x 333mm                                      Output                 : DC 12V 5.0A -     +
  Surface Treatment      : Anti-Glare, Hard Coating (3H)
                                                                        4-2. Power Consumption
  Backlight Unit         : 4 - CCFL (Cold Cathode
                           Fluorescent Lamp)                                 MODE             H/V SYNC VIDEO POWER CONSUMPTION LED COLOR

                                                                      POWER ON (NORMAL)        ON/ON   ACTIVE     less than 60 W      GREEN
2. OPTICAL CHARACTERISTICS
                                                                           STAND-BY           OFF/ON    OFF       less than 5 W      ORANGE
  2-1. Viewing Angle by Contrast Ratio ³ 10
             Left       : 70¡ typ., 70¡ min.                               SUSPEND            ON/OFF    OFF       less than 5 W      ORANGE

             Right      : 70¡ typ., 70¡ min.                           Sleep Timer Function    ON/ON    ON        less than 5 W
                                                                                                                                   Orange Flashing
                                                                              Active                                                   at 0.5Hz
             Top        : 45¡ typ., 45¡ min.
                                                                          POWER OFF              -       -        less than 5 W        OFF
             Bottom : 45¡ typ., 45¡ min.
  2-2. Luminance         : 160 or 165 cd/m2 typ.
                                                                  5. ENVIRONMENT
  2-3. Angle at Half Luminance
              Left      : 70¡ min.                                      5-1. Operating Temperature: 10¡C~30¡C (50¡F~95¡F)
              Right     : 70¡ min.                                                                  (Ambient)
              Top       : 45¡ min.                                      5-2. Relative Humidity    : 10%~80%
              Bottom : 45¡ min.                                                                     (Non-condensing)
                                                                        5-3. Altitude             : 0~10,000ft (3,030m)
  2-4. Contrast Ratio    : 150¡ typ.
                                                                  6. DIMENSIONS (with TILT/SWIVEL)
3. SIGNAL (Refer to the Timing Chart)
  3-1. Sync Signal                                                      Width                           : 432.0mm (17.01'')
       1) Type       : Separate Sync. (Horizontal & Vertical)           Depth                           : 247.1mm (9.73'')
       2) Input Voltage Level : Low=0~0.8V, High=2.1~5.5V               Height                          : 446.6mm (17.58'')
       3) Sync Polarity       : Positive or Negative
                                                                  7. WEIGHT (with TILT/SWIVEL)
  3-2. Video Input Signal
       1) Type               : R, G, B Analog                           Net Weight                      : 9.2kg (20.28 lbs)
       2) Voltage Level      : 0~0.714 V                                Gross Weight                    : 12.9kg (28.44 lbs)
        a) Color 0, 0        : 0 Vp-p
        b) Color 7, 0        : 0.467 Vp-p
        c) Color 15, 0       : 0.714 Vp-p
       3) Input Impedance    : 75 ½




                                                                -2-
                                                              TIMING CHART




                      VIDEO
                                                                                            A


                                                     B                F                     E

                      SYNC                                   D




                                                                             FACTORY PRESET MODE
        MODE
                                MARK MODE MODE MODE MODE MODE MODE MODE MODE MODE MODE MODE MODE MODE MODE MODE MODE
                                      1    2     3    4    5   6    7    8    9    10   11   12   13   14   15   16
H     Sync Polarity                    +      -       -       -       -       +       +       +    +/-      -      -       +     +/-    +/-     +      +
O                      MHz
        Dot Clock                    25.175 25.175   31.5    36.0   28.321   40.0    49.5   56.25 57.283   65.0   78.75   94.5   100.0 92.978 108.0   135.0
R
       Frequency        kHz          31.469 31.469 37.50    43.269 31.468 37.879 46.875 53.674 49.725 48.363 60.123 68.677 68.681 61.805 63.981 79.976
I
Z      Total Period    Pixels    E    800    800     840     832     900     1056    1056   1048   1152    1344   1312    1376   1456   1504   1688   1688
O   Video Active Time Pixels     A    640    640     640     640     720     800     800     800    832    1024   1024    1024   1152   1152   1280   1280
N
       Front Porch     Pixels    B    16      16     16      56      18       40      16     32     32      24     16      48     32     18     48     16
T
     Sync Duration     Pixels    D    96      96     64      56      108     128      80     64     64     136     96      96    128    134    112    144
A
L      Back Porch      Pixels    F    48      48     120     80      54       88     160     152    224    160    176     208    144    200    248    248

V
      Sync Polarity                    -      -       -       -       +       +       +       +    +/-      -      -       +     +/-    +/-     +      +
E      Frequency        Hz            70.8   59.94   75.0    85.0    70.8    60.32   75.0   85.061 74.55   60.0   75.03 84.997 75.062 65.96    65.02 75.035
R      Total Period    Lines     E    449    525     500     509     449     628     625     631    667    806    800     808    915    937    1066   1066
T
    Video Active Time Lines      A    350    480     480     480     400     600     600     600    624    768    768     768    870    900    1024   1024
I
       Front Porch     Lines     B    38      10      1       1      12       1       1       1      1      3      1       1      3      2      1      1
C
A    Sync Duration     Lines     D     2      2       3       3       2       4       3       3      3      6      3       3      3      4      3      3
L      Back Porch      Lines     F    59      33     16      25      35       23      21     27     39      29     28      36     39     31     38     38

                                      640    640     640     640     720     800     800     800    832    1024   1024    1024   1152   1152   1280   1280
                                       X      X       X       X       X       X       X       X      X       X      X       X      X     X      X      X
      Resolution                      350    480     480     480     400     600     600     600    624     768    768     768    870   900    1024   1024
                                     71Hz    60Hz    75Hz   85Hz    71Hz     60Hz    75Hz   85Hz   75Hz    60Hz   75Hz    85Hz   75Hz   65Hz   65Hz   75Hz




                                                                             -4-
        CONTROL LOCATIONS




                                NO. Ref. No. Control Function

                                 1   SL-SW   SLIDE SWITCH

                                 2   SW01    MENU BUTTON

                                 3   SW02    - BUTTON
                                 4   SW03    + BUTTON
                                 5   SW04    POWER SWITCH




1   2     3   4             5




                  -8-
                WIRING DIAGRAM




J4   J3

                                                 J07
                J04

     J5




J2   J1                             J05    J06




                        CN2
                              CN1
          P02         P01                 P02




                            -8-
                                               DISASSEMBLY

1. TILT/SWIVEL REMOVAL                                     3. INVERTER WIRE SHIELD & BACK COVER
      Remove Hinge Cover (Push the tilt cover                 REMOVAL
      both side).                                               Remove four screws .
      Remove two screws                                         Remove two Inverter Wire Shield.
      Remove the Tilt/swivel.                                   Remove five screws .
                                                                Remove the Back Cover.
                                                                                                        Inverter
                                                                                                        Wire Shield




                                                               Back Cover




2. FRONT CABINET REMOVAL                                   4. LCD MODULE REMOVAL
     Remove two screws cap .                                    Remove four Aluminum Tapes .
     Remove two screws .                                        Disconnect J1, J2, J3 and J4.
     Release ten latches .                                      Disconnect FPC Cable       and Module
     Remove the Front Cabinet.                                  Power Connector .
                                                                Remove the LCD Module.
                                     Front Cabinet




                                                     -9-
5. BACKLIGHT REMOVAL                                                   7. MAIN FRAME REMOVAL
     Remove two screws .                                                    Remove four screws .
     Remove the Backlight from the LCD Module.                              Remove screw .
                                                                            Remove two fixers .
                                                                            Divide the Main PCB AssÕy.
                                                                                                         Main Frame


                   Top (Upper) Backlight AssÕy




                                                                                                                  Inverter PCB

                                                                           Main PCB
                                                                            AssÕy




                                 Bottom (Lower) Backlight AssÕy




6. INVERTER FRAME & REAR SHIELD REMOVAL                                8. MAIN TOTAL ASSÕY REMOVAL
     Remove two screws .                                                    Disconnect J5 and J06.
     Release two latches .                                                  Remove Inverter AssÕy and Control PCB
     Remove the Inverter Shield.                                            from the Main PCB.
     Remove six screws .                                                    Release two latches .
     Remove the Rear Shield.                                                Divide Top Shield, Main PCB, and Bottom Shield.




                                                                                                             Inverter AssÕy




                                                                          PCB Shield
                                                                            (Top)

                                                 Rear Frame
                                                                          Main PCB



                                                                          PCB Shield
                                                                           (Bottom)
                                                                                                                Control PCB
                                                 Inverter Frame




                                                              - 10 -
                                                    EXPLODED VIEW




                                        a




                       1                                         3




                                a
                                                                                                                                   EXPLODED VIEW PARTS LIST


                                                                                        12       Ref. No.     Part No.                    Description                    Q'ty   Material

                                                                                                            3091TKL004A   CABINET ASSÕY, OPAL COMPAQ LCD 18.1Ó
                                                                                                    1                                                                     1
              15                                         4                                                  3091TKL004B   CABINET ASSÕY, CARBON BLACK COMPAQ LCD 18.1Ó

                                                                                                    2       6304TLT181A   LCD MODULE, LGE TFT LCD LM181E1 18.1Ó           1
              16
                                                                                                    3       4814TKK064A INVERTER WIRE SHIELD                              2
          5                                                                                         4       4951TKS034A METAL, MAIN FRAME                                 1
               2                                    c                                               5       3313TL8001A   MAIN TOTAL ASSÕY                                1
                                                                     6
                                                                                                   5-1      4950TKK049A PCB SHIELD (BOTTOM)                               1

                                                                                                   5-2      6871TMT077A MAIN PCB ASSÕY                                    1

                                                                                                   5-3      4950TKK048D PCB SHIELD (TOP)                                  1

                                    b                                                               6       6633TZA002A   INVERTER ASSÕY                                  1

                                                                                                    7       4814TKK067A INVERTER SHIELD                                   1
                                                                                        13
                                                                                                    8       4950TKS097A METAL, REAR FRAME                                 1

                                                                                                    9       6871TST084A   KEY CONTROL PCB ASSÕY                           1
5-1
                                                                             7                     10       6871TST089A   S/W PCB ASSÕY                                   1
                                    c
                                                                                                            3809TKL004A   BACK COVER ASSÕY, OPAL
                                                                                                   11                                                                     1
                                                                                                            3809TKL004B   BACK COVER ASSÕY, CABON BLACK
5-2                    8                                                                                    6634TBZ002A   ADAPTER, AC-DC, 100/240V 12V 5A, OPAL
                                                                         9                         12                                                                     1
                                                                                                            6634TBZ002B   ADAPTER, AC-DC, 100/240V 12V 5A, CABON BLACK

                   c                                                                         e              3550TKK044A HINGE COVER, OPAL
5-3                                                          d                                     13                                                                     1
                                                                                                            3550TKK044B HINGE COVER, CABON BLACK

                                                                                                            3043TKK034A TILT SWIVEL ASSÕY, OPAL
                                                                                                   14                                                                     1
                                                        10                                                  3043TKK034B TILT SWIVEL ASSÕY, CABON BLACK

                                                                                                  14-1      6871TST081A   USB PCB ASSÕY                                   1

      c                                                                                            15       3550TKK046B PROTECTIVE PANEL COVER - PROTECTIVE MODEL ONLY    1

                                                                                                   16       4819TKK082A BRACKET, SUPPORT MODULE - NON PROTECTIVE MODEL    4
                                            c                                                                             SCREW, PVS+3x16 (MSWR/FZMW)
                                                                                                    a        332-015E                                                     4
                           11                                                                       b       4930TKK014A HOLDER, FIXER                                     2
                                                                     14
                                                                                 14-1               c        332-110A     SCREW, PZS+3x6 (MSWR/FZMY)                     13
                                                d
                                                                                                    d        332-095C     SCREW, PZP+3x12 (MSWR/FZMY)                     7

                                                                                                    e        332-105F     SCREW, PVS+4x10 (MSWR/FZMW)                     2
                                                                                     System Block Diagram
                            POWER
                            SUPPLY
         POWER CORD                                MAIN LOGIC
                                                      PCB

               15-pin D-SUB SIGNAL CABLE




                                                                                                            BLOCK DIAGRAM
- 11 -




                                                        CONTROL PCB




                                                                      INVERTER PCB
                                           LCD MODULE
                                                                                                                                                                   Block Diagram for Main Logic Board
                              Data
                              Clock                             3.3V               5V          3.3V                              3.3V


                                                                                                                    H
                                                                                                                    V
                                                                                                                                  Display              LCD
                                                                 Memory                  Flat panel                                Data
                                                                                                                   Even
                                                                                         Controller                             Transmitter
                                                                            MCLK
                                                                                                                   Odd                               Module

                    . Brightness
                                                              KM416S102BT            MX88272                                         LVDS83




                                                                                                                                                                                                        BLOCK DIAGRAM
         Inverter




                                                                            H-Sync
                                                                                                Even Odd
                                                        5V
                                                                                                                                5V
                                                                                         DS
- 12 -




                                       3.3V


                                               5V




                                                                            CLK
                                                               Clock                    A/D Converter
                                                              Generator                    AD9483                                                     LM181E1
                                      DC/DC                   ICS1522                             CS/SDA/SCL                     Micro-
                                     Converter                                                                                  Controller
                                                                                                            CLAMP
                                                                                         Pre-Amp.
                                                                  H-Sync




                                      MAX785
                                                                             8V           TDA4885           SDA/SCL
                                                        12V                                           . Contrast
                                                                                                                                 V            H
                                                    H                                                          V        D-F/F
                                   Input Port "A"                                       Input Switch
                                                                                          BA7657F                                                 Input Port "B"
                                                    V                                                               5V




                                                                                           TT'L
                                                         Power                             Gate
                                                          12V
                               DESCRIPTION OF BLOCK DIAGRAM

1. Video Control Circuit                                       5. LVDS Circuit

1) TDA4885 (U101) receives the video signal from PC                LVDS transmitter (U701, U702) delivers digital signal
   and amplifies the levels of video signal (0V~0.7V), and         to the receiver of module by the voltage swing of 1V.
   controls the contrast signal.                                   The peripheral circuitry of transmitter gets the DHS,
                                                                   DVS, DEN, DISPCLK signal, outputs LVDS signal. At
2) The biases of A/D inputs control the reference output
                                                                   the power down mode, MICOM lets the power down
   voltages of TDA4885 (U101) to proper R, G, B bias
                                                                   signal be low and Shuton pin be active low.
   levels through the Diodes (D101, D102, D103).

                                                               6. Input Switching Circuit
4) The EX-OR (U604) device outputs the voltage levels to
   decide the polarities of HSYNCIN and VSYNCIN that               This circuit consists of BA7657F (U601), slide switch
   supply the sync signals to the PLL IC and MICOM.                and TTL gates. BA7657F (U601) switch analog R, G,
                                                                   B signal to be entered form 15p D-SUB A(J2) or B(J3).
2. A/D Converter Circuit                                           If the position of slide switch is A; R, G, B signal and
                                                                   H/V Sync are entered from D-SUB A. If the Position of
1) AD9483 (U201) converts from the analog video signal
                                                                   slide switch is B; R, G, B signal and H/V sync are
   to the digital signal. For this function, its DC 2.5V
                                                                   entered from D-SUB B. If the position of slide switch is
   output is connected to VREF_IN and it samples the
                                                                   Auto; R, G, B signal and H/V sync are automatically
   input signal between 2.0V~3.0V. (The reference
                                                                   selected A or B by control signal of MICOM. But if A
   voltage of the sampling is 2.5V.)
                                                                   and B are incidentally connected, system display OSD,
2) The frequency range of 8-bit digital output is from             Ò2 Input active... select A or BÓ.
   12.5MHz to 67.5MHz with respect to modes.                       TTL gates (U602, U603, U604) switch H/V sync to be
                                                                   entered from D-SUB A or B.
3) The status of power down pin is low for normal state
   and high for power down state.                              7. DC/DC Converter

3. Features of ICS1522 PLL IC                                      This curcuit supplies stand-by 5V (5VST) that is made
                                                                   using IC U801 regulator for MICOM and SYNC
1) ICS1522 (U11) generates the pixel clock for each                processing.
   mode with respect to internal register setting, which is        The 5VDD voltage is converted using MAX785 (U802)
   used to sampling circuitry.                                     and supply to IC need to it.
   The range of the pixel clock is approximately from              The 8VA is converted using 8V regulator (U808) and
   25MHz to 135MHz                                                 supply to video pre-amp.
                                                                   The 3.3V voltage is converted using 6 Diodes and
4. Video Process Circuit                                           supply to IC need to it.
   This circuit consists of MXIC (U501) and frame                  The 5VA is converted using 5V regulator (U809) and
   memorys (U401, 402, 403) which convert frame date               supply to A/D converter and PLL IC.
   of input signal to 60Hz frame date. This function is            The state of power down make all voltage except
   processed by MX88272. The MX88272 (U501) gets                   5VST down using SHDN.
   the video signal converted analog to digital,
   interpolates input to 1280x1024 resolution signal and       8. System Controller (08XL36) Circuit
   outputs 8-bit R, G, B, DHS, DVS and DE signals to the           This curcuit consists of EEPROM IC (U902) which
   transmitter (U701, U702).                                       stores control data, RESET IC (U904) and LED driver
                                                                   Q01 and Q02 indicate that power is ON or OFF.

                                                                   The operating procedures of MICOM and its
                                                                   associated circuit are as follows:




                                                          - 13 -
1) The MICOM distinguishes polarity and frequency of         10. OSD Control Circuit
   the horizontal sync and the vertical sync are supplied
                                                                 When the MX88272 outputs the area which is able to
   from signal cable. The controlled data of each mode is
                                                                 display overlay using OSDBLNK PIN of MX88272.
   stored in EEPROM.
                                                                 OSD (On-Screen-Display) device (U502) outputs
2) User can adjust screen condition by each OSD                  display data as the timing of the signal.
   function. (H-Position, V-Position, Clock, Clock Phase,
   ... etc.)                                                 11. Power Module Circuit

9. DDC Circuit                                                   This block supplies the +12V to the inverter for the
                                                                 backlight voltage of module and the +5V for data
   This circuit consists of MICOM (U901) and bidirection         control of LCD module.
   switching IC (U2).
                                                                 That is, SI4925DY (Q01) is switched by TR Q12 for
1) Bidirection switching IC switch I 2 C line for DDC            module voltage.
   communication by control signal of MICOM (U901).

2) The MICOM has D-SCL, D-SDA line for sending and
   receiving data to adjust line through 15-pin D-sub
   connector.

3) The data of EDID DDC information is stored in
   EEPROM IC (U902).




                                                        - 14 -
                                                                                                   ADJUSTMENT

All adjustment are thoroughly checked and corrected                                                                             (H-position, V-position, Clock, and Clock Phase) with
when the monitor leaves the factory, but sometimes                                                                              Up, Down keys (+, -) on the keyboard, then
several minor adjustment may be required.                                                                                       automatically adjusted and saved to the EEPROM.
Adjustment should be following procedure and after                                                                              (DonÕt adjust H-Position, V-Position, Clock and Clock
warming up for a minimum of 10 minutes.                                                                                         Phase.)
                                                                                                                             7) Display from Mode 2 to Mode 16 and repeat above
¥ Alignment appliances and tools.                                                                                               adjustment.
  - Compaq PC (Desktop Pro 2000)                                                                                             8) Select PRESET EXIT command and Enter.
  - Programmable Signal Generator.
    (eg. VG-819 made by Astrodesign Co.)                                                                                2. Adjustment for White Balance
  - E(E)PROM with each mode data saved.                                                                                    1) Display color 0,0 pattern at Mode 16.
  - Alignment Adapter and Software.                                                                                        2) Set External Bright to max position and Contrast to
                                                                                                                              52 Position.
1. Adjustment for Factory Preset Mode                                                                                      3) Select PRESET START → BIAS CAL command and
   1) Select EEPROM all clear command and Enter.                                                                              Enter.
   2) Display cross hatch pattern at Mode 1.                                                                               4) No attempt to manually adjust, BIAS data is auto-
   3) Run alignment program for LQ800 on the IBM                                                                              matically adjusted and saved to the EEPROM.
      compatible PC.                                                                                                       5) Display color 15,0 pattern at Mode 16.
   4) Select COMMAND → PRESET START command.                                                                               6) Select DRIVE CAL command and Enter.
   5) Select FOS ADJ command and Enter.                                                                                    7) Color 1 (9300K) and Color 2 (6500K) are automatically
   6) No attempt to manually adjust, but select each menu                                                                     adjusted and saved to the EEPROM.
                                                                                                                           8) Select PRESET EXIT command and Enter.




                                                                                                   IBM
                                                                                                   Compatible PC



                                                                                                                        PARALLEL PORT
                                                      d
                                                     se
                                                 tu


                                                                2C
                                                No


                                                               23
                                                           RS
                                                     EL
                         Control Line




                                                 LL




                                        C
                                                RA
                                            PA




                                                                                                           Power inlet (required)
                                                                                                     220


                                                                                                         Power Select Switch
                                                                                               R




                                                          VG
                                                                                             WE




                                                            S
                                                                                                         (110V/220V)
                                                                                          PO




                                            A
                                                                                        ST




                                                                     MO                              Power LED
                                                                                                                                    A
                                                                                     NC




                                                                       NI
                                                                          TO
                                                                                      Y
                                                                                  V-S




                                                                              R


                                                                                                                                                  9            6
                                                                                                   E ST Switch
                                                                          B                                                 15           11
                                                                                                                                              5                    1
                                                                                                                              10          6
                                                                                                                             5          1
                                                                                                                                                                                                     C
                                                                                             F V-Sync On/Off Switch
                                                                                               (Switch must be ON.)
                                                                                                                                                                       13                                    1
                                                                                                                                                                        25                                  14
                                                                                                                      OFF    ON
                                                                                                                 5V
                                                                                                                       F

                                                                                                                                                                                             5V

                                                                                                                                                                                                  4.7K
                                                                                                                                                      ON                     5V                      4.7K
                                                                                                                                                           E                                      74LS06
                                                                                                                                                  OFF                                 4.7K

                                                                                                                                                                             74LS06



                                                                                                                                    B


                                                                                          Figure 1. Cable Connection

                                                                                                               - 15 -
                     TROUBLESHOOTING GUIDE
                           1. NO POWER


     NO POWER
(POWER INDICATOR OFF)




     CHECK U801                NO            TROUBLE IN
   INPUT VOLTAGE                             ADAPTOR or
       (12V) ?                               INVERTER

             YES



       CHECK                   NO            TROUBLE IN
    5VST VOLTAGE
                                             U801
        (5V) ?

             YES


       CHECK
                               NO            TROUBLE IN
    +8VA VOLTAGE
                                             U807, U808
        (8V) ?

             YES


       CHECK                   NO            TROUBLE IN
    +5VA VOLTAGE
                                             U809
        (5V) ?

             YES



        CHECK                  NO            TROUBLE IN
   5V DD VOLTAGE ?                           U802, U804


             YES



        CHECK                  NO            TROUBLE IN
   3.3V VOLTAGE ?
                                             D811, 812, 813, 814,
                                             D815, 816
             YES


     TROUBLE
  SOMEWHERE ELSE



                              - 16 -
                    2. NO RASTER



  NO RASTER




    CHECK                NO        TROUBLE IN
  U601 PIN 20
                                   5VA LINE
     (5V) ?

            YES


    CHECK                          TROUBLE IN
                         NO
U601 PIN 1, 3, 5,                  PC SIGNAL,
   7, 9, 11 ?                      J2 or J3 CONNECTOR

            YES


    CHECK
                         NO        TROUBLE IN
  U301 PIN 6
  H. PULSE ?                       U602, 603, 604

            YES


   CHECK                 NO        TROUBLE IN
U601 PIN 21, 19,                   U601
     15 ?

            YES


   CHECK
                         NO        TROUBLE IN
U101 PIN 20, 25,
     30 ?                          U101

            YES


   CHECK                 NO
U201 PIN 85, 88,                   TROUBLE IN
     91 ?                          U102, D101, 102, 103
                                   Q2, Q3, Q4
            YES



   CHECK                 NO        TROUBLE IN
 U201 PIN 76 ?                     U901 (MICOM)


            YES


                        - 17 -
            YES


    CHECK
  DOT CLOCK           NO      CHECK
  U301 PIN 7 ?                CLOCK GENERATOR
                              FLOW CHART

            YES



    CHECK             NO      TROUBLE IN
 U201 PIN 62, 52,
                              U201
      42 ?

            YES


     CHECK            NO
    U504 OUT                  TROUBLE IN
      5V ?                    U504


            YES


   AD CLOCK           NO      TROUBLE IN
  U501 PIN 253,
     254 ?                    U201


            YES


    CHECK
 MEMORYCLK            NO      TROUBLE IN
 U401, 402, 403               U501
   PIN 35 ?

            YES


    CHECK             NO      TROUBLE IN
U501 PIN 93, 94 ?             U14


            YES


     CHECK            NO      TROUBLE IN
U501 PIN 122, 123,
                              U501
      124 ?

            YES



                     - 18 -
             YES


     CHECK
U501 PIN 113, 104,       NO     TROUBLE IN
  96, 84, 75, 67                U501
     (3.3V) ?

             YES

     CHECK
   U701 PIN 32,          NO     TROUBLE IN
   U702 PIN 32                  U901
      (5V) ?

             YES


      CHECK
U701 PIN 37, 38, 39,     NO     TROUBLE IN
 40, 41, 42, 45, 46,            U701
      47, 48 ?

             YES


      CHECK
U702 PIN 37, 38, 39,     NO     TROUBLE IN
 40, 41, 42, 45, 46,            U702
      47, 48 ?

             YES



     CHECK               NO     TROUBLE IN
    U1 PIN 8?                   U1


             YES

  TROUBLE IN
  LCD MODULE




                       - 19 -
                  3. NO CLOCK (CLOCK GENERATOR)



NO DOT CLOCK




    CHECK
                                NO                TROUBLE IN
  U301 PIN 6
  H. PULSE ?                                      U602, 603, 604



          YES


   CHECK
                                NO                TROUBLE IN
  U301 PIN 4
    (5V) ?                                        U901


          YES



   CHECK
                                NO                TROUBLE IN
 U301 PIN 14
 H. PULSE ?                                       U301



          YES



    CHECK
                                NO                TROUBLE IN
U301 PIN 18, 19
   CLOCK ?                                        U301




                               - 20 -
                      4. TROUBLE IN OSD



     NO OSD           ( ENTER BUTTON MUST BE PRESSED )




    CHECK
                                NO                   TROUBLE IN
  U502 PIN 4, 9
     (5V) ?                                          +5V LINE



            YES



     CHECK                      NO                  TROUBLE IN
   U502 PIN 2 ?                                     U503, 501



            YES



     CHECK
  U502 PIN 5, 10                NO                  TROUBLE IN
  WAVEFORM ?                                        U501


            YES



     CHECK
U502 PIN 13, 14, 15             NO                  TROUBLE IN
  WAVEFORM ?                                        U502


            YES



     CHECK
                                NO                  TROUBLE IN
   U502 PIN 12
      (5V) ?                                        U502


            YES



   TROUBLE IN
      U501



                              - 21 -
                          5. TROUBLE IN DPM



 TROUBLE IN DPM




     CHECK                                    CHECK PC
                                      NO
   U602 PIN 1, 3,                             CPC IS NOT GOING
      9, 11 ?                                 INTP DPM OFF MODE

              YES


       CHECK
   U901 (MICOM)                       NO
PIN 1, 42 (H/V INPUT)                         TROUBLE IN
      SIGNAL ?                                U604

              YES


      CHECK
    U901 PIN 6                        NO      TROUBLE IN
    WAVEFORM                                  X901
     (6MHz) ?

              YES


      CHECK                           NO      TROUBLE IN
    U901 PIN 24
                                              SIGNAL CABLE
       (5V) ?

              YES


     CHECK
                                      NO      TROUBLE IN
  U2901 (MICOM)
   PIN 28, 29 ?                               U901
                    SEE DPM TABLE
              YES



     CHECK                            NO      TROUBLE IN
   LED COLOR ?                                Q1, Q2


              YES


  TROUBLE IN PC




                                    - 22 -
                                            '981118
                                              LQ800
                                                                                                                                                                                                                                                                                                                                                                C419
                                                                                                                                                                                                                                                                                                                                                                   C418                                                                                                                      25                                                                                     25
                                                                                                                                                                                                                                                                                                                                                                                          C417




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        C401
                                                                                                                                                                                                                                                                                                                                                                                                                                             30




                                                                                                                                                                                                                                                                                                                                                 C420
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 C425
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 U502




                                                                                                                                                                                                                                                                                                               C423
                                                                                                                                                                                                                                                                                                               C424
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  20                                                                                     20




                                                                                                                                                                                                                                                                                                                                     C449
                                                                                                                                                                                                                                                                                                                                                                                            25                                                                                                                                             30
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               35
                                                                                                                                                                                                                                                                                                                                30                                                                                                         35                                                     15                                                                                     15                                                                                                  C554
                                                                                                                                                                                                                                                                                                                                                                                            20                                C413                                                                                               C433
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              C415




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       C550
                                                                                                                                                                                                                                                                                                                                                                                                                                           40                                                                                            40




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               C427
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         MC141544DW
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    L505




                                                                                                                                                                                                                                                                                                          C422
                                                                                                                                                                                                                                                                                                          C421
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          C553
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          C552
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      C429




                                                                                                                                                                                                                                                                                                                                                                                                                                                                   SDRAM
                                                                                                                                                                                              MADE BY LG MNT                                                                                                                                                                                                                                                                                                                   RA52945




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       C411




                                                                                                                                                                                                                                                                                                                                                                                                                                 C409
                                                                                                                                                                                                                                                                                                                                40                                                         10                                                                                                     5                                                                                      5




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                C555
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  RA528                                  50




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  SDRAM
                                                                                                                                                                                                                                                                                                                                                                                            5                                                                                                1                                                                                      1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              C407




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                C431
                                                                                                                                                                                              P/N:6870T154A11                                                                                                                                                                                                                                     50




                                                                                                                                                                                                                                                                                                                                                              SDRAM
                                                                                                                                         C503                                                                                                                                                                                                                                                                                                                                                                                                                U403




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             C715
                                                                                                                                                                                                                                                                                                                                                                                                                                 RA520                                                       U402
                                                                                                                                                                                                                                                                                                                                    50                                                      1                                                                                                                                                                                R511




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               C701
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         L701




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       RA519
                                                                                                                                                                                                                                                                                                                                                                                                                                           RA526RA527 RA521




                                                                                                                                                                                                                                                                                                                                                                                                         LA524 LA523
                                                                                                                                                                                                                                                                                                                                    U401




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      C561
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      R513
                                                                                                                                                                                                                                                                                                                                                                                                                                                   180                                                                                                                                                                    U701




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  R521
                                                                                                                                                                                                                                                                                                                                                                                                                                           190                     170      160              150              140       130                                                                                              1




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        R512




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  RA517

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  RA518
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   R537
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             55




                                                                                                                                                                                                                                                                                                                                                                                                                              LA522




                                                                                                                                                                                                                                                                                                                                                                                          RA501
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     5
                                                                                                              C560                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           50
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    10




                                                                                                                           C504
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       LA505                                                                                                 45                                            C65 C64 C63
                                                                                                                                                                                                                                                                                                                                                                              RA525 RA524 200                                                                  MX8827-2                                                           120




                                          C23
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    15




                                          C21
                                          C22
                                          C24
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             LA506                                                                           40




                                                                                                                                                                                                                                                                                                                                                            RA522RA523
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    20
                                                                                                                                                                                                                                                                                                                                                                                                                       210




                                                                                                    C502
                                                                                                                                                                                                                                                                                                                                                             U504                                                                                                                                                                 110                      LA507                                                                                             35                                                        1




                             C20


               C19
                                                                                                                                                          C514                                                                                                                                                                                                                                                                                                                                                                                                                                                      25




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     LVDS83
            L7                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               LA508                                                                           30                                                        5
          J4                              L8               L9                                                                                                                                                                                                                                                                                                                                                          220                                                                                                         100
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       LA509




                                                                                             D814
                                                                                                                                  L501 D815
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            C62 C61




                                                                                                              D813
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      21PIN




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       10




                                                                                                                                                                                                                                                                                                                                                                                                    R522
                                                                                                                                                                                                                                                                    C201




                                                                                                                                                C515
                                                                                                                                                                                                                                                                                                                                                                                                     C556

                                                                                                                                                                                                                                                                                                                                                                                     C559




                                      C27
                                      C28
                                      C29
                                      C30




                             C25
                             C26
                                                                                                              D812                                                                                                                                                                                                                                                                                                     230                                                                                                         90                                        LA510                            L503              U702 R702
                                                                                                                                                                                                                                                                                    C204 C202                                                                                                                                                                                                                                                                                                                                                                                                                          15




                                                                                                                                  C513
                                                                                                                                                                                                                                               C203                                                                                                                                                                                                                                                                                                                                                                      1                                   55
                                                                                                                                                                                                                                                                                                                                                                           R534                                        240                                                                                                                             LA511
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   80                                                                                5                                                                                                 20
                                                                    L12




                                                                                              D811
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             50




                                                                                                                                      D816
                                                                                                                                                   L502                                                                                                                                                                                                                                                                                                                                                                                                                      LA512
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            C66 C67




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    10




                                   L11
                                                                   L13                                                                                                                                                                                                                                                                                                                               C558




                      L10
                                                                                                                                                                                                                                                                                                                                                                                                                       250                                                                                                         70                                                                                                                        45
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       CONNECTOR




                                                                                                                                                   L810                                                                                                                                                                                                                                                                                                                                                                                                LA513                                                        15
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      J7
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       LCD MODULE




                                                                                                                                                                                                                                                                                                                                                                                                                       255                                                                                                                                                                                                                                   40
                                                                                                                                                                                                                                                                                                                                                                         L204                                                                                                                                                                                                                                                                                                                               C70 C69
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             LA514                                  20
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      C68




                                                                                                                                                                                                                                                                                                                                                                                                       C557                                                                                                                                                                                                                                                  35




                                                                                                                                                                                                                                           L202
                                                                                                                                                                                                                                                                   L201
                                                                                                                                        C821                                                                                                                                                                                                                                                                                                                                                                                                                                                          L504          25
                                                                                                                                                                                                                                                                                                                                                                                                                                       1          10              20       30            40             50            60          C542                 LA515

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     LVDS83
                                                                                 C833                                                                                                                       R301                                                                                                                                                                                    RA202                                          U501                                                   C541                                                                                                                                                         R703
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             LA516




                                                                                                                                                                                                                            C307




                                                            C11
                                                                                                                                                                                                                                                                                                                          C217
                                                                                                                                                                                                                                                                                                                          C216
                                                                                                                                                                                                                                                                                                                                                                              L203




                                                                                                                                                                                                                                                                                                                          R201
                                                                                                                                                                                                                                                                                                                          R202
                                                                                                                                                                                                                                                                                                                                                                                           C214
                               C15                        L806




                                                                                                                                                                         C301
                                                                                                                                                                                                                                                                                                                                                                                                                                      RA201




                                                                                                                                                                                                   C306
                                                                                                                                                                  C302
                                                                                                                                              C822                                                   1                                                                                                                                                  65                           55                                                                  RA204
                                                                                                                                                                                                                                                                                    C315                             80         75          70
                                                                                                                                                                  C319
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              RA203




                                                                                                                                                                                                                                                                                                                                                                    C215
               L6                                                                                                                                                                                                                                                                                                                                                                                                         RA206




                                                                                                                                                                                                                                                                                                   C218
                                                                                                                                                                  C303
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    X501
                                                                                                                                                                                                                                                                                    C322                                                                                                                     50
                                                                                                                                                                     C324                                                                                                                                                                                                                                                                                                                                                                           14.31MHZ




                                                                                                                                                                                                                                                            R314




                                                                                                                                                                                       C305
                                                                                                                                                                                                                                                                                                                                                                                                                                                                       RA208




- 23 -
                      C57                                                                                                                                                                                                                                                                                                                               AD9483




                                                                                                                                                                                                                                                                                                                                                                                                                                                       RA205
                                                                                                                                                                                               5                                    20                                                                85                                                                                                                                           RA209                   RA207
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       R945
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       R946
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       R947




                                                                               L803                                                                                                                                                                                                                                                                                                                          45




                                                                                                                                                           L303




                                                                                                                   U809
                                                                                                                                                                                                                                                                             R312
                                                                                                                                                                                                                                                                                                                                                                                                         40             C212
                                                                                                                                                                                                                                       15




                                                                                                                                                                                                                  ICS1522
                                                                                                                                                                                              10                                               C312                                                  95




                                                                                                                                                                                C304
                                                                                                                                                                                                                                                                                                                                                                                                             35                            RA210
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       C914
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       C915




                                                                                                                                                                                                                                               C311                                                                                                                                                                                                                                   RA211




                                   C832
                                                                                                                                                         C320
                                                                                                                                                         C323
                                                                                                                                                         L306              R321                                                                L302                                                                                                                                                                                                                                                                                                                           C912                C58 C309




                                                                                                                                                                                                                                                        R313
                                                                                                                                                                                                                                                        R315
                                                                                                                                                                                                   U301




                                                                                                                                                                                       C327
                                                                                                                                                                                                                                               L301                                                                                                                                                                                                                                                                                                                           C913
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             R916
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              R307
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          C907
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      U906




                                                                                                                      U810                                                                                                                                                          R        G           B




                                                                                                                                                                                                                                                                                            R207
                                                                                                                                                                                                                                                                                                    R208
                                                                                                     U804                                                    R320                                                                                                                                                                                              15                    25           30                                                               RA212
                                                                                                                                                             U808                  C819                                                                                                                                  1                                               20




                                          R808
                                                                                                                                                                                                                                                                                                                                                                                                                       C213
                                                                                                                                                                                                                                                                                                                                                                                     U201
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         R933
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         R944




                                                                                                                                              C820




                                                                                                                                                                                                                        C314
                                                                                                                                                                                                                        C313
                                                                                                                                                                                                                                                                                                                                                 C210                                                                                                                                                                                                                                                                                         25
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       40
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             R26




                                                                                                                                                                                                                                                                                                                                                                                                           C126 C128
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           R932
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             C326
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             C325




                              C810
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        R949




                                                                                                                                                                                                                                                              C143
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      R948




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             R943
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             R306




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      R131




                                                                                                                                                                                                                                                              R144
                                                                                                                                                                                                                                                                                        R113R145




                                                                                                                                                                                                                                                                                                                                                                              C211
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               R130




                                                                                                                                                                                                                                                                                                                                         R146
                                                                                                                                                                                                                                                                                                                     C205 R114
                                                                                                    U803




                                                                                                                                                C817
                                                   D801




                                                                                                                                                                                                                                                            R206 R112
                                                                                                                                                                                                                                                        R141




                                                                                                                                                                                                                                                                                                                            C144




                                                                C838
                                                                                      D802
                                                                                                                                                                                                                                                                                                                                                     C145
                                                      C816
                                                                                                                                                                                                                                                                          30                                   25                        R143
                                                                                                                                                                                                                                                                                                                                         20




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   R127




                                                                                                                                                                                                                                                                                    R142
                                                                                                                                                                                                          L101




                                                                                                                           U807




                                   R801
               C813                                                                                                                                                                C818
                                                                       25                           C807                                 Q802              U801
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        U901




                                                                                                                                                                                                                                                                                                                                                                                                         LM324




                                                                                                                                                  R805
                                                                        C811                                        R807                                                                                                                                                                                                                                                                                                                                                                                                                                            MC68HC05BD




                                                                               R809
                                                                                                                                                                                                                                                                                    TDA4885




                                                                                                                                                                                                                                                                                                                                                                                                  U102
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     PRINTED CIRCUIT BOARD




                                                                       20                                                                                                              C134                                                                                                                                                                                                                                                                                                                           U904




               C814
              C830                                                                                                                                                                                         C113              C112
                                                                                                                                                                                                                                                                                                                                                                                                                                             C130




                                                                                                                                                                                                                                        U101
                                                                                                                                                                                                                                                                                                                                                                                                                                                                         C618                                                                   1                        5                                                      15                                20
                        R803                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          10
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1. MAIN BOARD (Component Side)




                                                                       15                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    RA901




                                                                                                                                                                                                                                           L102
                                                                                                                                                                                                                                           C108
                                                   U802                                                                                                                                                                                                 1                                                                                                                                                                                                                                                                                                   C905                          C906




                                                                                                                                                                                                                                                                                                                                                                                                                              C124




                                                 MAX785
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    C901




                                                                              C812                                                                                                                                                                                                      5                                                                          15




                                                                                                                                                                                              C805
                                                                                                                                                                                                                                                                                                                                                                                                                                                  C49                                                                                                                                                                                                                                                      D8          D7   D6
                                                            D3
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           R908
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 R909




                                                                            D2 D1                                                                                                                                                                                      C102                                                                                                                          C123




                                   C837


                      R802
                                                                                                                                  C801             C803                                                                                                                                                                                                                                                                                Q1                                                                       R901
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    R903




                                                                                                                                                                                                                                   C624
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 R902




                                                                                                                                                                                                                                                                                                                                                                                                                                                               Q2
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         X901




                                                                                                                                                                                                                                                                                                                              C106
                                                                                                                     L805                                                 C806 Q12
                                                                                                                                                                                                                                                                                                                                                                              L602




                                                                                                                                                                                                                                                                                                                                                                              R105
                                                                                                                                                                         R21                               C12                                                                       20                                  R606                                                                                                                                                                                                                                            6MHZ
                                                                                                                                  L27 L24                                                                                                                                                                           14                                                                                                                                            L20                   L17




                                                                                                                                                                                                                    L601
                                                                                                                                                                                                                                                                       24




                                                                                                                                                                                                                                                                                                                                                               R104
                                                                                                                                                                                                                                                       C109




                                                                                                                                                                                                                                                                            R604
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               C36




                                                                                                                                                                                                                                                                                                   C104 R605




                                                                                                                                                                  C804




                                                                 R3
                                                                                                                                                                                                                                                                                                                                          R614
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            R13
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            R11

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            R12




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        R904
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        R905
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ZD4




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            R910
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ZD3




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            R911
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            R16
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            R15




                                                                               R5
                                                                                                                                                                                                                                                C616
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            R14




                                                          ZD1
                                                                  R6
                                                                  R2
                                                                                       R1
                                                                                                      R4                                                                                                                                                                                                                                                                                                                                                                                                       C35
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      R935
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 R936
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 R937
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 R938




                                                                                                                                                                                                                                                                                                                                                                                                                                                   R23




                                                                                                                                                                                                                                                                                                                                                        R607
                                                                                                                                                                                              R22                                              C613                                                                                                                                                                                                               L19 C40 L16




                                          ZD2
                                                                                                                                                                                                                                                                     BA7657F                                                                R615                                                                                                                                                                C34
                                                                                                                                                                                                L5




                                                                                                                                                                                                                                                                                                                             U601
                                                                                                                                                                                                                                                                                                                                                           R613
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                C7




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                C33




                                                                                                                                                                                                                                                                                                                                                                              C622
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ZD8




                                                                                                                                                                                                                                                                                                                                                                              C623
                                                                                                                                                                                                                                                                                                                                                                                                                                 R24 L22


                                                                                                                                                                                                                                                  R601                                                                                                                                                                                L21                         L18 C38                                                                                                                                                                                R621
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                C42C41 C39




                                                                                                                                                                                                                                                                                                                10                                                                                                                                                                           L15




                                                                                                              C1
                                                                                                                                                                                                                                                                   1                                                                                                          C59
                                                                                                                                                   J1                    U1                                                                                                             5
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               C32                                                                                                                                    Q602
                                                                                                                                                                                                                                                                                                                                                                                                                                                      C46C45C44




                                                                                                                                                                                                                                                                                                                                                                                                C48




                                                                                                                     ZD5
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               C31                                                                                                                                                                           R28
                                                                                                                                                                                                                                                                                                                                                         C60                          5         C47




                                                                                                                                                                                                                                                                                                                                              R610
                                                                                                                                                                                                                                                                                                                                                                                                                                 L23




                                                                                                                                                                                                                                                                                                                                                                                                                                                  C43
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                C37




                                                                                                                                                                                                                                                                                                                                                          1                                                                     1                                           10




                                                                                                                                                                                                                                   R618 Q601




                                                                                                                                                                                          C9
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         C5




                                                                                                                                                                                          C10
                                                                                                                                                                                                                                               C601 C603 C605 C607 C609 C611
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         ZD7




                                                                                                     R29 C3
                                                                                                                                                                                                                                                                                                                                                 J5                                                          J6
         J2                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           R27 J3




                                                                                                                                                                                                                  C625
                                                                                                                                                                                                           R617
                                                                                                                                                                                                                  R616




                                                                                                                     ZD6 R30
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       SOLDERING DIRECTION
                                                 2. MAIN BOARD (Solder Side)




                                                                                                                          C17
                                                                                                                                                                                                                                                                                                 L29




                                                                                                           C18
                                                                                                                 C16
                                                                                                                                                                                                                                                                                                                                R8
                                                                                                                                                                                                                                                                                                                                R10
                                                                                                                                C836
                                                                                                                                                                                                                                                                                                                                R09
                                                                                                                                C835
                                                                                                                                                                                                                                                                                                                                R7




                                                                                                                                                                                                                C809
                                                                                                                                                                                                                C808




                                                                                                                                                                                                                                                          C51
                                                                                                                                                                                                                                                       C50
                                                                                                                                                                                                                                 C802



                                                                                                                                       R305
                                                                                                                                R304
                                                                                                                                R303           C308


                                                                                                                                                       C329                      U202     C227
                                                                                                                                   R302
                                                                                                                                                                R209




                                                                                                                                                                                 F08
                                                                                                                                                                 R210                                                                                                                      C14
                                                                                                                                                                                                                                                                                           C13
                                                                                                                                                 R308
                                                                                                                            R311                                      R211
                                                                                                                            R310                                                                                                                                                                                         C602
                                                                                                                            R309                     C310
                                                                                                                                                                                        R109                           R137
                                                                                                                                                                                                                                                                                                                         C604
                                                                                                                                                                                        R106                                                                                C615
                                                                                                                                                                                                R134                      C139                                              C614                                         C606
                                                                                                                                                                          C224
                                                                                                                                                                                                R110
                                                                                                                                       C206                                                                       C114
                                                                                                                                                                        C225                                          R138                             C111
                                                                                                                                                                                         R107




                                                                                                                                                                     C223 C226                                                                     C110                                                                  C608
                                                                                                                                         C207
                                                                                                                                             C220                                                                         C140
                                                                                                                                                                                        R135
                                                                                                                                                                                                                                                                                                                         C610
                                                                                                                                                                                                                 C115
                                                                                                                                                C219                                    R111                              R139                R132
                                                                                                                                                                                        R108                                                                                                                             C612
C450                                                                                                                                          R205                                                                        C141
                                                                                                                                                                                        R136
               C445    C443                                                                                                                                                                                               C116
 C448
                                C437                                                                                                                                                                                   C107

                                                                                                                     R530                                                                       R115                          R119
                                                                              R526
                                                                              R525                                       R529                                                                   R116
                                                                                                                                                                                                                                                   HC08




                C441 C439
                                                                                                                                                                                                                                                                                          HC14
                                                                                                                    R528                                                                                                      R120
                                                                                                                                                                                                                                       U603




                                                                R508                                                                                                                                                           R123
                                                                                    R523                            R527                                                                                                                                                                                U602
                                                               R507                                                                                                                                                            R124
                                                                                              R524                       C521
                                                 C507                                           C533
                                    R542                                  C519                                                                                                                                               C620                                           C619
                                                           C505                                                                                                                                                           R611                     R608
                                                                                            R531
                                                                                                                         R535                                                                                          C617
                               R505              C509                                                      C535
                                                                                       R506                               R543
                                                                                                                                                                                                                                               AHC86




                                                  R503                                                                                                                                                            C131
                                                                                                                                                                                                                                R612
                                                                                                                                                                                                  HC74




                                                                                                                                                                                                                                                                U604
                                                                                                                                                                                         U103




                                        R501                                                    C523
                                                 R504
                                                                                                                          R544                                                                                                C621
                  R536
                                R502
                                                 C511
                                                                                                                                                                                                 HC32




                                                               C529           C527 C538                      C525                                                                                                        R140                                        R609
                                      C539
                                                                                                                                                                                                                U104




                                                                                                                           C544
                                                                                                                                                                                       C132
                               C531
                                                 C580 C584
                                                                                            C587 C591
                                                                       C572
                                                        C568




                                                                                                                  C653




                               C576                                            C599                                             C595
                C434
                                          C579




                               C564                                                                                             C657
                                                                                                    C592




                                                                          C588
                                                                                                                                                                                                        C903
                                                                                                                                                                                                                                                                               MC14066B




                               C575                                    C583                                                     C596
                                                                       C571
                                                                                     C650




                                                                                                                                                                                                         C904




                               C563                                    C573
                                                                                                                                                                                                                                                                                                       U2




                                             C567                                                          C654
                                                                               C652C590




                                                                                                                                  C658
                                C565             C581                                                                             C597                                                                   R942
                                                                                                                  C656                                                R926                                                                                     C73
                                C578                                                                              C594            C659                                                                   R925
                                                                                             C651




                                C577                    C569           C585                                                                                           R927
                                                 C570




                                                                                                                                  C598
                                                                                                                   C655                                               R906
                                                                   C574                                                           C660
                                        C566                                         C589                         C593                                                R928                                       R907                          R924
        R520                                            C582                       C586                                                                                                         R917
                                                                                                                                                                      R929
                                                                                                                                                                                                                                                           24LC16B
                                                                                                                                                                                                                                R923




                                                                                                                                                                                                                                                                        U902




                                                                                   C707C721C723
                                        C702 C705
                                                                T753




                                                                                                                                C725                                 R941
C549                                                                                                                                                                                                      R918
                         R541                                                        R705                                              R706                            R940                               R921
          R516           R540                                                                                                                                                                                                          C908
                                                                                                                                                              U905




                                                        R701                                                     R704                                                                                     R920
                                                                              C718
                                                                                                                                                                        24LC21




C551                                                                                                                              C717
                         R539
          R519                                                                                                                                                                                            R919
                         R538                           C711 C714                                                C729 C732                                                                                                                                                                                                R619
           C663
                                                                                                                                                                                                          R922
                                                                                                                                                                                                                                                                                                                            C626




                                                                                                                                                                                                          R939
                         F08




            R514
            R515
                                                                                                                                                                                                                                                                                                                          R620
                                 U503




           C664
         C562



                                                                                                                                                                                                                                                                                                            R18
                                                                                                                                                                                                                                                                                                            R17 R19R20




                                                                                                                                                                                                                                                                                                 L28




                                                                                                                                 - 24 -
3. CONTROL BOARD (Component Side)




  4. CONTROL BOARD (Solder Side)




               - 25 -
               SCHEMATIC DIAGRAM
                       CONTENTS




   1. RGB Processor
    2 . A/D Converters
    3 . Clocks
    4 . Memory
    5 . Video Process
    6 . T601~T648
    7 . LVDS
    8 . DC/DC Converter
    9 . T901~T945
   10 . Connectors & Jacks
    * USB




* NOTICE: SINCE THIS IS BASIC SCHEMATIC DIAGRAM, THE VALUE OF
          COMPONENTS AND SOME PARTIAL CONNECTION ARE
          SUBJECT TO CHANGE FOR IMPROVEMENT.



                          - 57 -
1. RGB PROCESSOR




      - 58 -
2. A/D CONVERTERS




      - 59 -
3. CLOCKS




  - 60 -
4. MEMORY




  - 61 -
5. VIDEO PROCESS




      - 62 -
6. T601~T648




   - 63 -
7. LVDS




 - 64 -
8. DC/DC CONVERTER




       - 65 -
9. T901~T945




   - 66 -
10. CONNECTOR & JACKS




        - 67 -
USB




- 68 -

								
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