Samsung SGH-i300 Mobile Service Manual

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Samsung SGH-i300 Mobile Service Manual Powered By Docstoc
					                 MITs TELEPHONE
                 SGH-i300




MITs TELEPHONE                  CONTENTS


                   1.   Specification
                   2.   Flow Chart of Troubleshooting

                   3.   Exploded Views and Parts List

                   4.   Electrical Parts List

                   5.   PCB Diagrams

                   6.   Block Diagrams
1. SGH-i300 Specification

1-1. PDA specification

       Parts Name                                Description                         Note
                         PXA272
                         Core : Xscale
CPU                      Core Frequencies : 416 MHz
                         Clock : 13 MHz, 32,768 KHz
                         FLASH : 64M Byte

            SRAM         IDT70P248L, DUAL PORT STATIC Memory, 8K/4K * 16
Memory                   Bit
            RAM          K4M56323PE, SDRAM, 4 Bank, 8M * 32 Bit
LCD                      Resolution : 320 x 240 QVGA 1.98" 65K TFT Color
Auido CODEC              WM9713, Dual codec stereo audio
Melody                   YMU765, 64 poly
External Card            T-FLASH Card
Camera                   1/3.2" 1.3 Mega Pixels CMOS Image Sensor
                         IEEE 1149.1 Portocol support, Flash Programming
JTAG                     Control
Hard disk                3G Hard disk driver
UART                     RS-232C , USB 1.1
IrDA                     HSDL 3003
Battery                  Standard/Extend Capacitance : 1000/1700mA
Speaker                  Impedance : 8 Ω, Size : 13 x 15 * 3.4t
Receiver                 Impedance : 32 Ω, Size : 6 x 11 * 3t
Motor                    RPM 10000, Size : Bartype 8 mm
Key Matrix               5 * 7




                                                  1-1
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SGH-i300 Specification




1-2. Phone Specification


  Parts Name                                        Description                          Note
                  Trident EF version
                  Core : DSP16000/ARM7IDMI
CPU               DSP Core : RAM(20k * 16), ROM(144K * 16)
                  ARM CORE : RAM(4K * 32), ROM(2K * 32)
                  Clock : 13 MHz, 32,768 KHz
                  LRS1828
Memory            ROM : 4M * 16 Bit * 2
                  RAM : 2M * 16 Bit
                  Single-cell Li-lon Charger, SIU, LED Driver
                  Power-On/Off and reset control logic
PMIC
                  8-bit ADC, Seven programmable low-drop-out regulators
                  1.8/3.0V SIM power supply and logic level translators
                  Supports GSM 2+ new feature : multislotting( GPRS and
                  HSCSD)
                  ADC and DAC function for baseband and voice band
CODEC
                  DAI(digital audio interface)
                  32.768 clock on-chip oscillator
                  GMSK modulator(88/144 bits)
                  Low-IF Receiver, Universal Baseband Interface
                  Offset-PLL Transmitter
                  Dual RF Synthesizer, GPRS Class 12 Compliant
RF Transceiver
                  3-Wire Serial Interface
                  Dual and Triple and Quad -Band Support(GSM850/E-
                  GSM900/DCS1800/PCS1900)
                  Complete Power Control Solution
                  Single 2.9V to 5.5V Supply Voltage
                  GSM, E-GSM and DCS/PCS
PAM
                  Products/GPRS Class 12 Compatible
                  +35dBm GSM Output Power at 3.5V/ +33dBm DCS/PCS Output
                  Power at 3.5V
                  GSM : 897.50 ± 17.5 MHz
FEM               DCS : 1747.50 ± 37.5 MHz
                  GSM : 1880.00 ± 30.0 MHz
JTAG              IEEE 1149.1 Protocol Support, Flash Programming Control
UART              RS-232C




                                                      1-2
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2. SGH-i300 Flow Chart of Troubleshooting

2-1. Power On

     'Power on' does not work
                   Yes

             Check the
        current consumption                    No          Press nPower key or
          more than 20mA                                     hardware Reset

                   Yes

             Check the
         Pin 1 of U323 or                      No
                                                            Charge the Battery
           U302 is High

                   Yes

             Check the                         No
       Pin 1 of U305 is High                                Charge the Battery

                   Yes

            Check the                          No
       Vbat more than 3.6V                                  Charge the Battery

                   Yes

             Check the
         Pin 4 of U301 is                      No               Check the
          more than 3.3V                                  Pin 8 of U 306 is High

                   Yes

             Check the                         No
         Pin 5 of U307 is                                       Check the
          more than 1.0V                                  Pin 1 of U 307 is High

                   Yes

           Check the
         Clock signal at                       No
                                                          Retry Hardware Reset
       OSC101 and OSC102

                   Yes


     Check the initial operation
                   Yes


                END




                                               2-1
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SGH-i300 Flow Chart of Troubleshooting and Circuit Diagrams




                            VBAT




                                                                                   VBAT            VBAT                        VBAT
                                   R304


                                              U306

 PDA_PWR_KEEP                             8 HOLE     PWR 1         AUTO_PWR
                                                                                          R316
                                                                                                                C317                          C312
                                          7               2                                        2S                                                                                                  3.0V
     END_PWR                                SW         DC          RTCALARM
                                                                                                                                                               VBAT                                   BAT33
                                          6               3                                Q302
    nPWR_SNS                                SENSE     FET
                                                                                              1G
                                          5               4                                        3D
  nALARM_SNS                                DEN      GND                                                               R308
                                                                                                                                                                                U301
                                                                                                                                                                       1                   5
                                                                                                                               5                                           IN     OUT
                     C347   C348                                                                                        1                                              2 GND

                                                                                                                 R306                     4                            3 EN                4
                                                                                                                                                                                 REF_BYP


                                                                              POWER_DET                                 2
                                                                                                                                                                                                              C314
                                                                                                                                   U304                 C313                                   C331
                                                                                                        R307                   3




                                                                                                                                   BAT33              VBAT




                                                                                                                              R311                           R317

                                                     VBAT                                                                                                             C346

                                                                                      POWER_DET

                      U323
                                                                 R302                              R318                                                 5
                4                     1                                                                                                       1
                    GND OUT                                                                                                                       B
                                                                                                                                                       VCC
                                                                                                                                                             Y4                                nPOWER_FAIL
                3                     2                                                                                                       2
                    NC VDD                                                                                                                        A
                                                                                                                                                      GND
                                                                                                                                      U315              3

                                            C330                                                                       R353




                                                                                                                                                                    3.0V
                                                          VBAT                                                                                                    VCC_CPU


                                                                                                        U302
                                                                                          1                             5
                                                                                                  IN           OUT
                                                                                          2
                                                                                                  GND

                                                                                          3                             4
                SYS_EN                                                                            EN       REF_BYP




                                                                 C307                                                                                   C309               C308




                                                                                              2-2
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                                       SGH-I300 Flow Chart of Troubleshooting and Circuit Diagrams




                                                                                                      1.8V
                    VBAT                                                                          VCC_MEM


                                                           U305

                                               1                            5
                                                    IN             OUT
                                               2
                                                    GND
                                               3                            4
   SYS_EN                                           EN             BYP




                           C301
                                                                                        C303
                                                                                                             C302




                                                                                          VBAT

                                                                                                               1.35V
                                                                                                              CORE12
                                               U307                      R355

                                  1                            8                                      C316
PWR_EN                                RUN           PLLLPF
                                                                          R356
                                  2                            7
                                      ITH          S/MODE

                                  3                            6
                                      VFB                VIN

                                  4                            5         L301
                                      GND                SW

                                                                                               C319                    C320


             C324

                                        R309

                           R310
                                        C325




                                            1.25V                   1.35V               1.1V
                                            PLL13                  CORE12              SRAM11



                                                         R312                   R303



                                                    C327




                                                         2-3
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SGH-i300 Flow Chart of Troubleshooting and Circuit Diagrams



2-2. Initial part

               Initial Failure

                         Yes


                 Check the
            "nRESET_IN" signal                      No
                                                                  Check the BAT33
            at the R110 is High

                         Yes

             Check the
        "nGPIO_RESET"at the                         No
       GPIO 1 of U101 is High                                      Check the U102


                         Yes


            Check the "nTrst"                       No
             at U101 is High                                       Download again

                         Yes


     Check the connections and
  initialization using Factory Test
               Program
                         Yes


 Check the LCD connector CN501
       and resolder bridge

                         Yes


                     END




    BAT33




                     1
                  U102
                     GND
                                                  nRESET_IN
                3 VCC RESET 2

        C146




                                                        2-4
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                                                               SGH-I300 Flow Chart of Troubleshooting and Circuit Diagrams



2-3. Charge Part

     abnormal Charging part

                      Yes


              Check the
              pin 22 of                                                 No
                                                                                                                Replace TC
            CN605 = 4.2V

                      Yes



              Check the                                                                                 Check the path from
               pin 1 of                                                 No
                                                                                                               CN605
            CN301 = 4.2V                                                                                 to pin 1 of CN301

                      Yes



                  Charging

                      Yes


                    END




                                                                                                                                   CN605
                                                                                                                              26
                                                                                                                              25   NC
                                                                                                                              24   NC
    CHARGE_DET                                                                                                                23   24
                                                                                                                              22   23
          VBAT                                                                                                                21   22
          VBAT                                                                                                                20   21
                                D602                                                                                               20
                                                                                                                              19
                                                                                                                              18   19
                                                                                                                              17   18
                                                                                                                              16   17
                                D603
          VBUS                                                                                                                15   16
                                                                                                                R609
         USB_D+                                                                                                               14   15
                                                                                                                R621
        SDS_TXD                                                                                                               13   14
                                                                                                                R622
       SDS_RXD                                                                                                                12   13
      PWR_GND                                                                                                                 11   12
                                                                                                                              10   11
                                                                                                                R610
         USB_D-                                                                                                                9   10
                                                                                                                R623
          FFTXD                                                                                                                8   9
                                                                                                                R624
         FFRXD                                                                                                                 7   8
                                                                                                                               6   7
      AUTO_PWR                                                                                                                 5   6
                                                                                                                               4   5
                                                                                                                               3   4
                                                                                                                               2   3
                                                                TH628

                                                                        TH619

                                                                                TH620

                                                                                        TH621

                                                                                                TH622

                                                                                                        TH623
                                               TH616
                                       TH615




                                                       TH617




                                                                                                                               1   2
                                                                                                                                   1




                                                                                2-5
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SGH-i300 Flow Chart of Troubleshooting and Circuit Diagrams



2-4. SIM Part
        Phone can't access SIM
                            card
                              Yes


                  Check the
               pin 1 of CN701                                No             Check the circuit to
               voltage is 2.8V                                                    CN701


                              Yes


              Check the
         SIM connector CN701                                 No
        connection to SIM card                                               Resolder CN701


                              Yes



                            END


                                                                                                  CN701
                                                                                       1   1          6 6
                                                                                       2   2          5 5
                                                                                       3   3          4 4
                                                                                               G G G G
                                                                                               10 9 8 7

                                                                                                            C702

                                                      C703    C705   C704    C706
  C10
  K15
  B15

  B13
  F1 1


  E8
  J3




       G NDQ
   GND_HCUR
       VDD1

   GND_PSC2
   GND_PSC1

      VDD67
       VDD5




               VDD34 C11
               VDD12 J13

                      N9
            UP_CLK                 SIMCLK
            UP_RST    R10
                      P10
                                   SIMRST
              UP_IO                SIMDATA
             SIM_IO   J11
           SIM_RST    K11
           SIM_CLK    K14




                                                             2-6
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                                                                                            SGH-I300 Flow Chart of Troubleshooting and Circuit Diagrams



2-5. Microphone Phone

   Microphone does not work

                         Yes


          Check the                                                                             No
    connecttion from CN602                                                                                                Change Main key FPCB

                          Yes



    Audio loopback is enabled                                                                   No                               Resolder
     by board test program                                                                                                 R424,R426,R430,R431
       R424,R431 = 2.2V

                         Yes


          Check the                                                                             No                               Hardware reset or
       Pin 23 of U401=                                                                                                             resoldering or
          sine wave                                                                                                              Download Image

                         Yes


                  END


                                                 C440
       MICINP                                                                                            MIC+




                                                                                   C442



                                                       C444
       MICINN                                                                                            MIC-


                                  AUDIO30


                                                                            R424   R425


                               R426




                               C446
                     AUDIO30




                  R430




                  C450


                                                              R431                 R432

                                                                                                                                                                                                        EAR401
                                                 C452                                                                                                                                         1    P_GND
                                                                                                                                                                                              2    MIC_P
         AUXINP
                                                                                                                                                                                              3    MIC_N

                                                                                                           EAR_SPKR
                                                                                                                                                           C453                               4    SPK_P
                                                                                                                                                                                              5    SPK_COM

                                                                                   C456                                                                    C455                               6    SPK_N
                                                                                                           EAR_SPKL
                                                                                                                                                                                              7    N.C
                                                                                                                                                                                              8    INT
                                                                                                                                                                                              9    ADC
                                                   C457                                                                                                                                       10   P_BAT
                                                                                                                                                                                                    G G     G   G
         AUXINN                                                                                                                                                                                    11   12 13 14



                                                                                                                                                    6                    C489   C490
                                   BAT33                                BAT33                                                           1

                                                                                                                          C459   C460
                                                                                                                Z D 403




                                                                                                                                        2           5



                                                                                                                                        3           4

                                                                     R435
                                                                                                                                                                  R439
                                                                                                                                                        NC_GND
                                                                                                                                            ZD402
                                            SEND_END
                               R436
                                                                                   JACK_S                                                                                              R401

                                                                            3
                                                          2                                     C491

                                                                            1
                                                              Q402
                               R438




                                                                                                       2-7
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SGH-i300 Flow Chart of Troubleshooting and Circuit Diagrams



2-6. Speaker Part

                Speaker does not work

                                       Yes

                                                                                                          Replace speaker and if
                        CN503 pin 3,4,5,6                                                  No              speaker is well, than
                          = sine wave                                                                    check the motor & flash
                                                                                                                   LED
                                       Yes


                      Check the                                                            No              Hardware Reset or
                Pin 13 of U404 is High                                                                      Download Image

                                       Yes


                       Check the                                                           No              Hardware Reset or
                 Pin 1 of U404 is High                                                                      Download Image

                                       Yes


                   Is there sinewave
               signal on the U404 pin 12,                                                  No              Hardware reset or
                           24                                                                                resoldering or
                     during window                                                                         Download Image
                     media playing?

                                       Yes


                                   END




                                                                  VBAT




                                                                                   U404
                                                                             1                      13
     SAPA_EN                                                                      EN_L      EN_R                                        SAPA_EN
                 C448      R422                                              24                     12                    R427   C449
   LOUD_SPKL                                                                      VIPL      VIPR                                        LOUD_SPKR
   LOUD_GNDL
                 C473      R423                                              22
                                                                                  VIML      VIMR
                                                                                                    10                    R428   C477   LOUD_GNDR
                                                                             23                     11
                                                                                  VREFL    VREFR
                           R420                                              18                     6                     R433
      MSPKLP                                                                      VOPL     VOPR                                         MSPKRP
      MSPKLN
                           R419                                              16
                                                                                  VOML     VOMR
                                                                                                    4                     R429          MSPKRN
                                                                             3                      2
                                                                                  VDD        VSS
                                                                             7                      5
                                                                                  VDD        VSS
                                                                             9                      8
                                                                                  VDD        VSS
                                                                             15                     14
                                                                                  VDD        VSS
                                                                             19                     17
                                                                                  VDD        VSS
                                                                             21                     20
                                                                                  VDD        VSS
                                                                                                    25
                                                                                            GND
                                                                                                    26
                                                                                               NC
                                                                                                    27
                                                                                               NC




                                          C484   C485   C407   C443   C474                                  C409   C487   C486




                                                                                         2-8
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                     SGH-I300 Flow Chart of Troubleshooting and Circuit Diagrams




                             2-9
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SGH-i300 Flow Chart of Troubleshooting and Circuit Diagrams



2-7. Receiver Part

       Receiver does not work

                             Yes


             Check the                                                       No
       R434,R437 = sine wave                                                                       Replace Receiver

                             Yes


                      Check the
                  Pin 2,10 of U409                                           No               Check the Pin 4,8 of
                    is sine wave                                                                     U409


                             Yes


                     Check the
                 pin 3,9 of U409 is                                          No              Check the Pin 4,8 of
                     Sine wave                                                                      U409


                             Yes



                      Check the                                                                Hardware Reset or
                 Pin 35,36 of U401                                           No
                                                                                                 resoldering or
                    is Sine wave                                                                Download Image

                            Yes


                           END



                                                                                                          AUDIO30

             MIC_WM_OUTN
                                                                   EAR_POP




                                                                                                   C493
  MAIN RCV
                EAR_RCVN
  EAR RCV                                                                                                                     U409
  EAR MP3       EAR_RCVP
                                                                                                                    1                       10
                                                                                                                        V+           NO2         RCVP
                                                                                                                    2                       9
                                                          36
                                                     SPKR 35

                                                                 SPKL 34
                                                               SPKGND 33

                                                                      32
                                                                 CAP2 31
                                                                              MONO 30




                                                                                           RCVN                         NO1      COM2            EAR_RCVP
                                                                 OUT4




             MIC_WM_OUTP
                                                                                                                    3                       8
                                                   OUT3                                 EAR_RCVN                        COM1          IN2        JACK_S
                                        39 38 37




                                                                                                                    4                       7
                                                   SPKVDD                                 JACK_S                        IN1          NC2         EAR_SPKR
                                                                                                                    5                       6
 MAIN MP3      LOUD_SPKL
                                                   HPL
                                                                                        EAR_SPKL                        NC1          GND
                                                               U401
                                                   HPGND




                                                                                2-10
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                     SGH-I300 Flow Chart of Troubleshooting and Circuit Diagrams




                             2-11
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SGH-i300 Flow Chart of Troubleshooting and Circuit Diagrams




2-8. Key Matrix Part

          Check key initial
              operation
                     Yes


              Check the                                       Check the R126,
           Pin 3,5,7,9,11 of                    No
                                                              R127,R128,R129,
            CN602 is High
                                                                R142,R143

                     Yes



         When one of the
       main keys is pushed                      No         Replace the main key
      one of pin 3,5,7,9,11 of                                      PCB
          CN602 is High?

                     Yes


          When one of the
        side keys is pushed                     No         Replace the main key
      one of pin 3,5,7,9,11 of                                      PCB
          CN602 is High?

                     Yes


                  END




                                                  2-12
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                                                 SGH-I300 Flow Chart of Troubleshooting and Circuit Diagrams




                                          VBAT                              V_LCD30



                                                              CN602
                                                       1               2
                                                         1         2
                                                       3               4
           KBR(0)                                        3         4                                    KBC(0)
                                                       5               6
           KBR(1)                                        5         6                                    KBC(1)
                                                       7               8
           KBR(2)                                        7         8                                    KBC(2)
                                                       9               10
           KBR(3)                                        9        10                                    KBC(3)
           KBR(4)                                     11               12                               KBC(4)
                                                         11       12
                                                      13               14
KEY_LED_CONTROL                                          13       14                                    KBC(5)
     nGPIO_RESET                                      15               16                               END_PWR
                                                         15       16
                                                      17               18
                                                         17       18
                                                      19               20
                                                         19       20
                                                      21               22
                                                         21       22
                                                      23               24
             MIC+                                        23       24                                    JOG_R
                                                      25               26
             MIC-                                        25       26                                    JOG_L
                                                      27               28
                                                         27       28                                    KBC(6)
                                                      29 29       30   30
                          TH624

                                  TH629




                                                                                        ZD602

                                                                                                ZD603
                                             C601                                C602




                                                           2-13
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                                          SGH-I300 Flow Chart of Troubleshooting and Circuit Diagrams




2-9. Led Indicator Part

     LED indicator does not
             work
               Yes



          Check the
           Pin 2 of                             No                            Check the
     Q601,Q602,Q603,Q605                                                 R605,R612,R614,R616
            is high

                Yes


          Check the                             No                             Check
         R627 is high                                                   R601,R628,R628,R630

                Yes

              END
                                                         BAT33            VBAT




                                                      R627                        R626




                                                      R601              R602



                                                                                            LED602



                                                LED603

                                                PDA LED
                                                                                        3




                                                  3
                                         Q601
                                          2                                                  PHONE LED
                  BLUETOOTH_LED
                                  R605

                                                  1
                                                                 R628

                                                                          R629

                                                                                 R630




                                                  3
                                         Q602

                                          2
                        RED_LED
                                  R612

                                                  1


                                                  3
                                         Q603
                                          2
                     GREEN_LED
                                  R614

                                                  1



                                         Q605
                                                  3
                                          2
                       BLUE_LED
                                  R616            1




                                                      2-14
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SGH-i300 Flow Chart of Troubleshooting and Circuit Diagrams




                                                  2-15
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                                                             SGH-I300 Flow Chart of Troubleshooting and Circuit Diagrams




2-10. Backlight Part


          Backlight does not work

                             Yes



               Backlight "ON" mode                                    No             Select backlight
                   in the menu                                                         "ON" mode

                             Yes


                    Check the                                         No
                 Pin 24 of CN501                                                    Check the U501
                      is high

                             Yes


                    Check the                                         No
                    connection                                                       Check the R502
                   from CN501

                             Yes


                                                                      No
                LCD backlight on?                                                  Replace LCD module

                             Yes


                          END



        VBAT




                                                                   U501
                                               L501
                                                         6                     1
                                                             SW      VOUT                                          LED+ 12V

                                                         5                     2
                                                             VIN      GND
                                 R502                    4                     3
                   LCD_PWM                                   CTRL         FB                                       LED-




 C526              C527                 R509          C528                             C529   C530   C531   R503




                                                                          2-16
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SGH-i300 Flow Chart of Troubleshooting and Circuit Diagrams




2-11. EGSM Receiver
                                                                             Continuous RX on
                                                                           RFinput : 62CH AMP :
                                                                                  -50dBm
                                                     No
                   Normal
               Condition catch                                    Check soldered status
                the channel?                                          of C933,L901

                          Yes                        No
                  F903 check                                        ANT902 resolder or
                pin6 = -65dBm                                            change
                             Yes
                                                     No
                  F903 check                                          F903 resolder or
             pin 10,11 = -65dBm                                           change
                             Yes
                                                    No
                 U902 check                                          C924, C925, L903
             pin 20.21 = -65dBm                                     resolder or change

                                        U701 pin B10, C709,                     No
                Yes                            C710
                                         check or resolder


                                No                                    No
        U902 check                           TCX701 check                        TCX701 check
       pin 8 = 13M ?                         pin3 = 13M ?                      pin 4 = clean 3V?
       Vp-p : 860mV                          Vp-p : 950mV
                                                       Yes                               Yes
                 Yes                         C726, R705                       TCX701 change or
                                          check or resolder                       resolder

                                     No
        U902 check                                    U701 pin A13, C712
         pin 9,32
        clean 2.8V                                     Check or resolder

                  Yes
                                     No
        U902 check
          pin 1,2                                   U902 check or resolder
        Vp-p:250mV

                  Yes

         U902 check                  No
        pin 1,2,3,28                                U902 check or resolder
        Vp-p=100mV

                 Yes

         Check U701


                                                    2-17
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                                       SGH-I300 Flow Chart of Troubleshooting and Circuit Diagrams




2-12. EGSM Transmitter

                                                                            Continuous TX on
                     No                             No                       CONDITION TX
    F903 pin3                       F903                  U701 check
  about 2-3dBm?                  pin4=2.8V?                                      POWER
                                                           or change         DAC500 CODE
                                                                                APPLIED
            Yes                                                                   CH62
                                           Yes                               RBW : 100KHz
   ANT902, C932                                                              VBW : 100KHz
     check or                                                   Yes        SPAN : 10MHz REF
                       No         Between                                  LEV : 10dBm ATT :
                                 F903,C920                                        20dB
                                 ≒4~5dBm?

                                 No
                                      Battery,U701          F903 check
                   C904:3.7V            check or             or change
                                         change
                          Yes

                                      No                              No
                Between                          F903 check                     U701 check
               F901,U901                          or change                      or change
                 1.2V?

                                                          Yes



                          No
      U902 pin9,                           U701                                  TCX701 check
       32=2.8V?                        pinA13,C712                                or resolder
                                        cgange or
                                         resolder                                       No
            Yes

                            No              U902 pin                  No            TCX701
     U902 pin4,
     5,6,7=1.7V?
                                            8:13MHz?                             pin3 : 13MHz?
                                           Vp-p:950mV                             Vp-p:950mV


            Yes                                     Yes                                 Yes

         U901
        change                  No          U902 pin                       No
      or resolder                          10,12,13,14                              TCX701
                                              =3V?                                  Pin4:3V?



                                                    Yes                                 Yes
                                                                  U701 pin
                                                                B10,C709,C71
                                                                     0
                         U701                  U902              change or           U902
                        change                change              resolder          change
                      or resolder           or resolder

                                                 2-18
                   SAMSUNG Proprietary-Contents may change without notice
               This Document can not be used without Samsung's authorization
SGH-i300 Flow Chart of Troubleshooting and Circuit Diagrams




2-13. DCS Receiver
          Continuous RX on
        RFinput : 698CH AMP :
               -50dBm


                                                     No
                   Normal
               Condition catch                                    Check soldered status
                the channel?                                          of C933,L901

                          Yes                        No
                  F903 check                                        ANT902 resolder or
                pin6 = -65dBm                                            change
                             Yes
                                                     No
                  F903 check                                          F903 resolder or
             pin 12,13 = -65dBm                                           change
                             Yes
                                                    No
                 U902 check                                          C926, C927, L904
             pin 18,19 = -65dBm                                     resolder or change

                                        U701 pin B10, C709,                     No
                Yes                            C710
                                         check or resolder


                                No                                    No
        U902 check                           TCX701 check                        TCX701 check
       pin 8 = 13M ?                         pin3 = 13M ?                      pin 4 = clean 3V?
       Vp-p : 860mV                          Vp-p : 950mV
                                                       Yes                               Yes
                 Yes                         C726, R705                       TCX701 change or
                                          check or resolder                       resolder

                                     No
        U902 check                                    U701 pin A13, C712
    pin 9,32 clean 2.8V                                Check or resolder

                  Yes
                                     No
        U902 check
          pin 1,2                                   U902 check or resolder
       Vp-p : 250mV

                  Yes

        U902 check                   No
        pin 1,2,3,28                                U902 check or resolder
       Vp-p : 100mV

                 Yes

         Check U701
                                                    2-19
                        SAMSUNG Proprietary-Contents may change without notice
                       This Document can not be used without Samsung's authorization
                                        SGH-I300 Flow Chart of Troubleshooting and Circuit Diagrams




2-14. PCS Receiver
        Continuous RX on
      RFinput : 660CH AMP :
             -50dBm


                                                 No
                Normal
            Condition catch                                   Check soldered status
             the channel?                                         of C933,L901

                      Yes                        No
              F903 check                                        ANT902 resolder or
            pin6 = -65dBm                                            change
                         Yes
                                                 No
               F903 check                                         F903 resolder or
          pin 14,15 = -65dBm                                          change
                         Yes
                                                No
              U902 check                                         C926, C927, L904
          pin 16,17 = -65dBm                                    resolder or change

                                    U701 pin B10, C709,                     No
             Yes                           C710
                                     check or resolder


                            No                                    No
      U902 check                         TCX701 check                        TCX701 check
     pin 8 = 13M ?                       pin3 = 13M ?                      pin 4 = clean 3V?
     Vp-p : 860mV                        Vp-p : 950mV
                                                   Yes                               Yes
             Yes                         C726, R705                       TCX701 change or
                                      check or resolder                       resolder

                                 No
       U902 check                                 U701 pin A13, C712
   pin 9,32 clean 2.8V                             Check or resolder

               Yes
                                 No
      U902 check
        pin 1,2                                 U902 check or resolder
     Vp-p : 250mV

               Yes

      U902 check                 No
      pin 1,2,3,28                              U902 check or resolder
     Vp-p : 100mV

             Yes

       Check U701
                                                2-20
                     SAMSUNG Proprietary-Contents may change without notice
                   This Document can not be used without Samsung's authorization
SGH-i300 Flow Chart of Troubleshooting and Circuit Diagrams




2-15. DCS, PCS Transmitter
                       No                              No                      Continuous TX on
     F903 pin3                         F903                  U701 check          CONDITION
   about 2-3dBm?                    pin2=2.8V?                                  CH:698CH(DCS)
                                                              or change         CH:660CH(PCS)
                                                                              TX POWER CODE :
               Yes                             Yes                            350CODE APPLIED
                                                                                RBW : 100KHz
   ANT902, C932                                                                 VBW : 100KHz
                          No                                       Yes        SPAN : 10MHz REF
     check or                        Between                                  LEV : 10dBm ATT :
      change                        F903,C917                                        20dB
                                    ≒4~5dBm?


                                    No
                                          Battery,U701         F903 check
                      C904:3.7V             check or            or change
                                             change
                            Yes

                                          No                             No
                    Between                          F903 check                    U701 check
                   F901,U901                          or change                     or change
                     1.2V?

                                                             Yes



                             No
        U902 pin9,                       U701 pinA13,C712                             TCX701 check
        32=2.8V?                         cgange or resolder                            or resolder

                Yes

                               No               U902 pin                 No              TCX701
       U902 pin4,
       5,6,7=1.7V?                              8:13MHz?                              pin3 : 13MHz?
                                               Vp-p:950mV                              Vp-p:950mV


               Yes                                     Yes                                   Yes


           U901
          change                  No                                          No
                                                U902 pin
        or resolder                            10,12,13,14                              TCX701
                                                  =3V?                                  Pin4:3V?



                                                       Yes                                   Yes

                                                                      U701 pin
                                                                    B10,C709,C71
                                                                         0
                            U701                   U902              change or            U902
                           change                 change              resolder           change
                         or resolder            or resolder                            or resolder



                                                      2-21
                        SAMSUNG Proprietary-Contents may change without notice
                      This Document can not be used without Samsung's authorization
SGH-I300 Flow Chart of Troubleshooting and Circuit Diagrams




                                                                                                                                                                                                                                                                                                                                       VBAT
                                                                                                                                                                                                                                                                  C901                  C903                C902              C904
                                                                                                                                                                                                                                                                                                                                                                                        C905
                                                                                              TX_BAND_SEL
                                                                                                                                                                                                         C906




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     SAMSUNG Proprietary-Contents may change without notice
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              This Document can not be used without Samsung's authorization
                                                                                                                                                                                                                                                      52 51 50 49      48 47 46 45 44 43 42 41 40 39 38 37
                                                                                                                                                                                                                                                          GND
                                                                                                                                                                                                                                                          GND
                                                                                                                                                                                                                                                          GND
                                                                                                                                                                                                                                                          GND

                                                                                                                                                                                                                                                                         GSM850/900IN
                                                                                                   TX_EN




                                                                                                                                                                                                                                                                                                                                                                                      DCS/PCSIN
                                                                                                                                                                                                                                                                                                                              VBAT T

                                                                                                                                                                                                                                                                                                                                       VBAT T



                                                                                                                                                                                                                                                                                                                                                              BANDSEL

                                                                                                                                                                                                                                                                                                                                                                         V CC1
                                                                                                                                                                                                                                                                                        GND1GSM

                                                                                                                                                                                                                                                                                                  VCC1GSM



                                                                                                                                                                                                                                                                                                                    NC




                                                                                                                                                                                                                                                                                                                                                                                 NC
                                                                                                                                                                                                                                                                                                            VRAMP




                                                                                                                                                                                                                                                                                                                                                TXENABLE
                                                                                                                                                                                                                                                     53 GND
                                                                                                                                                                                                                                                     54 GND
                                                                                                                                                                                                                                                                                                                                                                                                       36
                                                                                                                                                                                                         C907                                                                                                                                                                                     NC
                                                                                                                                                                                                                                                      1                                                                                                                                                35
                                                                                                                                                                                                                                                          GSMINTERGND                                                                                                      VCC2DCS/PCS
                                                                                                                                                                                                                                                      2                                                                                                                                                34
                                                                                                                                                                                                                                                          VCC2GSM                                                                                                                     GND                    C908
                                                                                                                                                                                                                                                      3                                                                                                                                                33
                                                                                                                                                                                                                                            C909          NC                                                                                                                                 NC
                                                                                                 TXPOWER                                                                                                                                                                                                                                                                                               32
                                                                                                                                                                                                                                                      4
                                                                                                                                                                                                                                                                                                  U901
                                                                                                                                                                                                                R901                                      GND                                                                                                                         GND
                                                                                                                                                                                                                                                      5                                                                                                                                                31
                                                                                                                                                                                                                                                          GND                                                                                                           DCS/PCSOUT
                                                                                                                                                                                                                                                      6                                                                                                                                                30
                                                                                                                                                                                                                                                          GSM850/900OUT                                                                                                               GND
                                                                                                                                                                                                                                                      7                                                                                                                                                29
                                                                                                                                                                                                                                                          GND                                                                                                                                NC
                                                                                                                                                                                                                                                      8                                                                                                                                                28
                                                                                                                                                                                                                                                          NC                                                                                                                                 NC
                                                                                                                                                                                                                                                      9                                                                                                                                                27
                                                                                                                                                                                                                                                          NC                                                                                                                                 NC




                                                                                                                                                                                                                                                                                                                                                VCC3DCS/PCS
                                                                                                                                                                                                                                                    10                                                                                                                                                 26
                                                                                                                                                                                                                              R907                        NC                                                                                                                                 NC




                                                                                                                                                                                                                                                                                                                    VCC3GSM
                                                                                                                                                                                                                                                                                                                                                                                                       25




                                                                                                                                                                                                                                                                                                                              VCCOUT

                                                                                                                                                                                                                                                                                                                                       VCCOUT
                                                                                                                                                                                                                                                    11
                                                                                                                                                                                                                                                          NC                                                                                                                                 NC
                                                                                                                                                                                                                                                    12
                                                                                                                                                                                                                                                          NC




                                                                                                                                                                                                                                                                  NC

                                                                                                                                                                                                                                                                         NC

                                                                                                                                                                                                                                                                                        NC

                                                                                                                                                                                                                                                                                                  NC

                                                                                                                                                                                                                                                                                                            NC




                                                                                                                                                                                                                                                                                                                                                              NC

                                                                                                                                                                                                                                                                                                                                                                         NC
                                                                                                                                                                                                                                                                                                                                                                                 NC
                                                                                                                                                                                                                       R908          R909
                                                                                                                                                                                                                                                               13 14 15 16 17 18 19 20 21 22 23 24
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          GSM_TX_EN
                                                                                                                                                                                                                                                                                                                                                                                                               C918   C917
                                                                                                                                                                                                                                                                                                  C912                                 C911
                                                                                                                                                                                                                                                                                                                                                                                                                                                                           C920




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              2-22
                                                                                                                                                                                                                              R910
                                                                                                    R902                                                                                                                                                                                                                                                                                                    C913         C910
                                                                           XOENA_OUT
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          DCS_TX_EN
                                                                                       C916         R903                                                                                                                             R911
                                                                           CLK13M_TR                                                                                                                                   R912
                                                                                                                                                                                                                                                                                                                                                                                                                                                                           C915
                                                                                       C919            R904
                                                                           CLK13M_MC




                                                                                                                                                                                                                                                                                                                                                                                                                                               PC SRX2 14
                                                                                                                                                                                                                                                                                                                                                                                                                                               PC SRX1 15
                                                                                                                                                                                                                                                                                                                                                                                                                                               DCST X1 1
                                                                                                                                                                                                                                                                                                                                                                                                                                                CONT1 4
                                                                                                                                                                                                                                                                                                                                                                                                                                                CONT2 2
                                                                                                                                                                              R905                   R906




                                                                                                                                                                                                                                                                                                                                                                                                                       5
                                                                                                                                                                                                                                                                                                                                                                                                                                                      F903
                                                                                                                                                                                                                                                                                                                                                                                                                             G
                                                                                                                                                                                                                                                                                                                                                                                                                             G




                                                                                                                                                                                                                                                                                                                                                                                                                       8




                                                                                                                                                                                                                                                                                                                                                                                                                                           ANT
                                                                                                                              VRF




                                                                                                                                                                                                                                                                                                                                                                                                                                             6
                                                                                                                                                                                                                                                                                                                                                                                                                                 10 EGSMRX2
                                                                                                                                                                                                                                                                                                                                                                                                                                 11 EGSMRX1
                                                                                                                 C923




                                                                                                                                                                                                                                                                                                                                                                                                                                  3 EGSMTX
                                                                                                                                                                                                                                                                                                                                                                                                                       17 G




                                                                                                                                                                                                                                                                                                                                                                                                                                 12 DCSRX2
                                                                                                                                                                                                                                                                                                                                                                                                                                 13 DCSRX1
                                                                                                                                                                                                                                                                                                                                                                                                                       19 G
                                                                                                                                                                                                                                                                                                                                                                                                                       20 G                                                                                  ANT_1900
                                                                                                                         34 33 32 31 30 29   28 27 26 25 24 23 22
                                                                                                                          G ND
                                                                                                                          G ND

                                                                                                                          G ND
                                                                                                                          G ND
                                                                                                                          G ND

                                                                                                                                               RXQP
                                                                                                                          VDD




                                                                                                                                                               XEN




                                                                                                                                                                                      RFOG

                                                                                                                                                                                             RFOD
                                                                                                                                                       XOU T




                                                                                                                                                                              DIAG1
                                                                                                                                                                      DIAG2
                                                                                                                 35
                                                                                                                    GND
                                                                                                                 36
                                                                                                                    GND
                                                                                                                                                                                                    21                                                     C924
                                                                                                                                                                                      RFIGN
                                                                                                                     1                                                                              20                                             L903
                                                                                                                       RXQN                                                           RFIGP
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    R913           C922                      ANT_900
                                                                                                                     2                                                                              19                                                     C925
                                                                                                                       RXIP                                                                                                                                                                                                                                                                                                                                                                                             ANT
                                                                                                                                             U902
                                                                     VRF                                                                                                              RFIDN
                                                                                                                     3                                                                              18
                                                                                                                       RXIN                                                           RFIDP                                                                C926                                                                                                                                                                                                                   L902                C914
                                                                                                                     4                                                                              17                                             L904
                                                                              RXTXIP                                   TXIP                                                           RFIPN
                                                                              RXTXIN                                 5 TXIN                                                                         16
                                                                                                                                                                                      RFIPP                                                                C927
                                                                              RXTXQP                                 6 TXQP                                                                         15
                                                                                                                                                                                        GND




                                                                                                                                               _PD N



                                                                                                                                                               _SEN

                                                                                                                                                                      SCLK
                                                                                                                     7                                                                                                                                     C928




                                                                                                                                  XIN

                                                                                                                                        VD D




                                                                                                                                                                              SDI
                                                                                                                                                       SDO
                                                                             RXTXQN                                      TXQN
                                                                                                                                                                                                                                                   L905
                                                                                                                                  8     9 10 11 12 13 14
                                                                                                                                                                                                                                                           C930
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ANT902
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      G
                                                              C931




                                                                           CLK13M_RF                                                                                                                                                                                                                                                                                                                                                                                              2
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      A
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  3
                                                                               RF_EN                                                                                                                                                                                                                                                                                                                                                                                                  C
                                                                                                                                                                                                                                                                                                                                                                                                                                                             C933                 4
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      G
                                                                               SERLE
                                                                                                                                                                                                                                                                                                                                                                                                                                                             L901
                                                                              SERCLK
                                                                              SERDAT
                                                                                                C934          C921              C932
SGH-i300 Flow Chart of Troubleshooting and Circuit Diagrams




                                                  2-23
                       SAMSUNG Proprietary-Contents may change without notice
                     This Document can not be used without Samsung's authorization
3. SGH-i300 Exploded View and Parts List

3-1. Cellular phone Exploded View



                                                        QMW02




               QAR01                                                QFR01




                                                                    QKP01

                QLC01

               QSH01


                                                                    QJK01

                                                                    QMI01

                                                                    QME01




                                                                    QHD02
                QCR05                                               QMP01

                QCA01




                                                                    QAN02


                QCR08                                               QMO01


                                                                    QCK02



                                                                    QSK03
                QRE01

                                                                    QCW04
                QRF03



                QCK01




                QRF01
                                                                    QIF01



                                                                    QCR04



                                                                    QBA01

                                                                    QBA02




                                           3-1
              SAMSUNG Proprietary-Contents may change without notice
             This Document can not be used without Samsung's authorization
SGH-i300 Exploded View and Parts List




3-2. Cellular phone Parts list
   Location No                              Description                               Sec Code
 QAR01              AUDIO-RECEIVER                                                   3009-001135
 QBA01              BATTERY-1000MAH,BLACK,EU,M                                       GH43-01748A
 QBA02              BATTERY-1700MAH,BLACK,EU,M                                       GH43-01967A
 QCA01              UNIT-CAMERA                                                      GH59-02324A
 QCR04              SCREW-MACHINE                                                    6001-001479
 QCR05              SCREW-MACHINE                                                    6001-001478
 QCR08              SCREW-MACHINE                                                    6001-001611
 QFR01              MEC-FRONT COVER SUB                                              GH75-07549A
 QHD02              UNIT-HDD                                                         GH59-02445A
 QJK01              UNIT-JOG KEY                                                     GH59-02037A
 QKP01              MEC-KEYPAD                                                       GH75-07550A
 QLC01              LCD-MAIN                                                         GH07-00677A
 QMP01              PBA MAIN-SGHI300                                                 GH92-02045A
 QMW02              PMO-MAIN WINDOW                                                  GH72-23440A
 QRF01              MEC-RF COVER                                                     GH75-07832A
 QSH01              MEC-FRONT SHIELD SUB                                             GH75-07812A
 QRE01              MEC-REAR COVER SUB                                               GH75-07825A
           QCK01    MEC-SIDE L KEY V2                                                GH75-08587A
           QCK02    MEC-SIDE R KEY V2                                                GH75-08586A
           QCW04    PMO-T FLASH COVER                                                GH72-24337A
            QIF01   PMO-IF COVER                                                     GH72-24338A
           QRF03    PMO-EAR JACK COVER                                               GH72-24339A
           QSK03    MEC-SIDE CAM KEY                                                 GH75-07815A
 QME01              UNIT-KEY PAD                                                     GH59-02014A
           QMI01    AS-MIC                                                           GH81-02134A
 QAN02              INTENNA-SGHI300                                                  GH42-00610A
           QMO01    AS-MOTOR                                                         GH81-02148A




                                                  3-2

                       SAMSUNG Proprietary-Contents may change without notice
                     This Document can not be used without Samsung's authorization
                                                                   SGH-i300 Exploded View and Parts List




                                Description                                            Sec Code
BAG PE                                                                               6902-000634
CBF INTERFACE-PC DATA CABLE                                                          GH39-00326A
CHARGER-SGHE810,TC(U.K)                                                              GH44-00753A
CHARGER-SGHI300,DTH,M/GRAY                                                           GH44-01030A
S/W CD-USER MANUAL GUIDE                                                             GH46-00166A
S/W UTILITY-SGHI300 COMPANION                                                        GH46-00179A
UNIT-EARPHONE                                                                        GH59-02166A
UNIT-EXTENSION MIC                                                                   GH59-02577A
MANUAL-SFC LEAFLET                                                                   GH68-04822A
MANUAL-SFC MEMBERSHIP CARD                                                           GH68-04823A
MANUAL-WEEE CARD                                                                     GH68-07013A
LABEL(R)-MAIN (EU)                                                                   GH68-07847A
MANUAL-QRG                                                                           GH68-08038A
CUSHION-CASE                                                                         GH69-03166A
BOX(P)-UNIT MAIN (EU)                                                                GH69-03167A
IPR-LOCKER SPRING                                                                    GH70-10633A
PMO-RECEIVER DECO                                                                    GH72-23439A
PMO-BATTERY LOCKER                                                                   GH72-24335A
MPR-TAPE MAIN WINDOW                                                                 GH74-16146A
MPR-BOHO VINYL F/U M/WIN                                                             GH74-16147A
MPR-BOHO VINYL F/L M/WIN                                                             GH74-16148A
MPR-BOHO VINYL CAM DECO                                                              GH74-16986A
MPR-TAPE LCD INSUL A                                                                 GH74-17003A
MPR-TAPE JOG INSULATION                                                              GH74-17008A
MPR-TAPE MAIN KEY GASKET                                                             GH74-17011A
MPR-TAPE LCD GASKET                                                                  GH74-17012A
MPR-TAPE HDD CONNECTOR                                                               GH74-17080A
MPR-HDD FRONT PORON                                                                  GH74-18608A
MPR-HDD REAR PORON                                                                   GH74-18609A
MPR-TAPE SPK                                                                         GH74-19058A
MPR-VINYL BOHO WIN ELEC                                                              GH74-19693A
MPR-VINYL BOHO CAM ELEC                                                              GH74-19694A
MEC-HAND STRAP I300                                                                  GH75-08312A




                                                  3-3

                        SAMSUNG Proprietary-Contents may change without notice
                     This Document can not be used without Samsung's authorization
SGH-i300 Exploded View and Parts List




 3-1. Test Jig




3-1-1. RF Test Cable                3-1-2. Test Cable                   3-1-3. Serial Cable




3-1-4. Power Supply Cable         3-1-5. Data Cable                     3-1-6. Travel Charger




3-1-7. USB cable                  3-1-8. JTAG cable




                                                  3-4

                       SAMSUNG Proprietary-Contents may change without notice
                     This Document can not be used without Samsung's authorization
4. SGH-i300 MAIN Electrical Parts List

   SEC CODE           Design LOC                  Discription                   STATUS
  0401-001110        D602                 DIODE-SWITCHING                         SA
  0401-001110        D603                 DIODE-SWITCHING                         SA
  0403-001467        ZD501                DIODE-ZENER                             SA
  0403-001547        ZD301                DIODE-ZENER                             SA
  0406-001150        ZD1101               DIODE-TVS                               SA
  0406-001150        ZD403                DIODE-TVS                               SA
  0406-001150        ZD404                DIODE-TVS                               SA
  0406-001150        ZD405                DIODE-TVS                               SA
  0406-001150        ZD502                DIODE-TVS                               SA
  0406-001150        ZD503                DIODE-TVS                               SA
  0406-001150        ZD504                DIODE-TVS                               SA
  0406-001150        ZD505                DIODE-TVS                               SA
  0406-001150        ZD602                DIODE-TVS                               SA
  0406-001150        ZD603                DIODE-TVS                               SA
  0406-001167        ZD402                DIODE-TVS                               SA
  0406-001167        ZD611                DIODE-TVS                               SA
  0406-001167        ZD612                DIODE-TVS                               SA
  0406-001167        ZD613                DIODE-TVS                               SA
  0406-001190        ZD601                DIODE-TVS                               SA
  0407-000115        D601                 DIODE-ARRAY                             SA
  0407-001038        U1106                DIODE-ARRAY                             SA
  0501-000225        Q402                 TR-SMALL SIGNAL                         SA
  0501-002202        Q101                 TR-SMALL SIGNAL                         SA
  0504-000167        Q401                 TR-DIGITAL                              SA
  0504-000167        Q601                 TR-DIGITAL                              SA
  0504-000167        Q602                 TR-DIGITAL                              SA
  0504-000167        Q603                 TR-DIGITAL                              SA
  0504-000167        Q605                 TR-DIGITAL                              SA
  0504-000168        Q701                 TR-DIGITAL                              SA
  0504-000168        TR701                TR-DIGITAL                              SA
  0504-000172        Q301                 TR-DIGITAL                              SA
  0505-001217        Q302                 FET-GAAS                                SA




                                             4-1
                 SAMSUNG Proprietary-Contents may change without notice
                This Document can not be used without Samsung's authorization
SGH-i300 Main Electrical Parts List




     SEC CODE                Design LOC                       Discription              STATUS
    0601-001602             LED603               LED                                     SA
    0601-001966             LED602               LED                                     SA
    0604-001277             LED101               PHOTO-IRDA                              SA
    0801-000794             U105                 IC-CMOS LOGIC                           SA
    0801-000794             U108                 IC-CMOS LOGIC                           SA
    0801-000794             U304                 IC-CMOS LOGIC                           SA
    0801-000794             U803                 IC-CMOS LOGIC                           SA
    0801-000796             U107                 IC-CMOS LOGIC                           SA
    0801-000796             U315                 IC-CMOS LOGIC                           SA
    0801-002294             U104                 IC-CMOS LOGIC                           SA
    0801-002321             U1101                IC-CMOS LOGIC                          SNA
    0801-002321             U1102                IC-CMOS LOGIC                          SNA
    0801-002345             U106                 IC-CMOS LOGIC                           SA
    0801-002882             U1104                IC-CMOS LOGIC                           SA
    0902-001900             U101                 IC-MICROPROCESSOR                       SA
    1001-001152             U407                 IC-ANALOG MULTIPLEX                     SA
    1001-001152             U408                 IC-ANALOG MULTIPLEX                     SA
    1001-001183             U409                 IC-ANALOG SWITCH                        SA
    1105-001617             U202                 IC-DRAM                                 SA
    1106-001489             U201                 IC-SRAM                                SNA
    1109-001274             U703                 IC-MCP                                  SA
    1201-002075             U901                 IC-POWER AMP                            SA
    1201-002241             U404                 IC-AUDIO AMP                            SA
    1203-001720             U1004                IC-POSI.FIXED REG.                      SA
    1203-001720             U301                 IC-POSI.FIXED REG.                      SA
    1203-001720             U302                 IC-POSI.FIXED REG.                      SA
    1203-001720             U308                 IC-POSI.FIXED REG.                      SA
    1203-001720             U402                 IC-POSI.FIXED REG.                      SA
    1203-001720             U604                 IC-POSI.FIXED REG.                      SA
    1203-002155             U307                 IC-DC/DC CONVERTER                      SA
    1203-002250             U1107                IC-VOL. DETECTOR                        SA
    1203-002690             U305                 IC-POSI.FIXED REG.                      SA




                                                    4-2

                        SAMSUNG Proprietary-Contents may change without notice
                       This Document can not be used without Samsung's authorization
                                                                SGH-i300 Main Electrical Parts List




 SEC CODE           Design LOC                   Discription                        STATUS
1203-002783        U1103                IC-POSI.FIXED REG.                            SA
1203-002850        U501                 IC-DC/DC CONVERTER                            SA
1203-002874        U203                 IC-MULTI REG.                                 SA
1203-002895        U102                 IC-RESET                                      SA
1203-002969        U303                 IC-MULTI REG.                                 SA
1203-002999        U323                 IC-VOL. DETECTOR                              SA
1203-003253        U306                 IC-BATTERY                                    SA
1203-003304        U701                 IC-POWER SUPERVISOR                           SA
1203-003474        U502                 IC-SWITCH REG.                                SA
1203-003531        U602                 IC-POSI.FIXED REG.                            SA
1204-002138        U1108                IC-MELODY                                     SA
1205-002433        U902                 IC-TRANSCEIVER                                SA
1205-002696        U1001                IC-DATA COMM./GEN.                            SA
1205-002720        U401                 IC-CODEC                                      SA
1205-002736        U1105                IC-TRANSMITTER                                SA
1209-001219        U802                 IC-SENSOR                                     SA
1209-001610        U1110                IC-SENSOR                                     SA
1405-001093        TH615                VARISTOR                                      SA
1405-001093        TH616                VARISTOR                                      SA
1405-001093        TH617                VARISTOR                                      SA
1405-001093        TH618                VARISTOR                                      SA
1405-001093        TH619                VARISTOR                                      SA
1405-001093        TH620                VARISTOR                                      SA
1405-001093        TH621                VARISTOR                                      SA
1405-001093        TH622                VARISTOR                                      SA
1405-001093        TH623                VARISTOR                                      SA
1405-001093        TH624                VARISTOR                                      SA
1405-001093        TH628                VARISTOR                                      SA
1405-001093        TH629                VARISTOR                                      SA
2007-000070        R507                 R-CHIP                                        SA
2007-000070        R508                 R-CHIP                                        SA
2007-000138        R904                 R-CHIP                                        SA




                                           4-3

               SAMSUNG Proprietary-Contents may change without notice
              This Document can not be used without Samsung's authorization
SGH-i300 Main Electrical Parts List




     SEC CODE                Design LOC                       Discription              STATUS
    2007-000139             R426                 R-CHIP                                  SA
    2007-000139             R430                 R-CHIP                                  SA
    2007-000140             R1129                R-CHIP                                  SA
    2007-000140             R617                 R-CHIP                                  SA
    2007-000143             R126                 R-CHIP                                  SA
    2007-000143             R127                 R-CHIP                                  SA
    2007-000143             R128                 R-CHIP                                  SA
    2007-000143             R129                 R-CHIP                                  SA
    2007-000143             R142                 R-CHIP                                  SA
    2007-000147             R605                 R-CHIP                                  SA
    2007-000147             R612                 R-CHIP                                  SA
    2007-000147             R614                 R-CHIP                                  SA
    2007-000147             R616                 R-CHIP                                  SA
    2007-000148             R1103                R-CHIP                                  SA
    2007-000148             R1117                R-CHIP                                  SA
    2007-000148             R147                 R-CHIP                                  SA
    2007-000148             R405                 R-CHIP                                  SA
    2007-000148             R418                 R-CHIP                                  SA
    2007-000148             R618                 R-CHIP                                  SA
    2007-000148             R703                 R-CHIP                                  SA
    2007-000148             R815                 R-CHIP                                  SA
    2007-000160             R713                 R-CHIP                                  SA
    2007-000162             R1130                R-CHIP                                  SA
    2007-000163             R603                 R-CHIP                                  SA
    2007-000163             R604                 R-CHIP                                  SA
    2007-000163             R606                 R-CHIP                                  SA
    2007-000163             R607                 R-CHIP                                  SA
    2007-000163             R608                 R-CHIP                                  SA
    2007-000166             R615                 R-CHIP                                  SA
    2007-000166             R711                 R-CHIP                                  SA
    2007-000168             R122                 R-CHIP                                  SA
    2007-000168             R310                 R-CHIP                                  SA




                                                    4-4

                        SAMSUNG Proprietary-Contents may change without notice
                       This Document can not be used without Samsung's authorization
                                                                SGH-i300 Main Electrical Parts List




 SEC CODE           Design LOC                       Discription                    STATUS
2007-000169        R353                 R-CHIP                                        SA
2007-000171        R1006                R-CHIP                                        SA
2007-000171        R1007                R-CHIP                                        SA
2007-000171        R109                 R-CHIP                                        SA
2007-000171        R1101                R-CHIP                                        SA
2007-000171        R1104                R-CHIP                                        SA
2007-000171        R1105                R-CHIP                                        SA
2007-000171        R1115                R-CHIP                                        SA
2007-000171        R112                 R-CHIP                                        SA
2007-000171        R1120                R-CHIP                                        SA
2007-000171        R1121                R-CHIP                                        SA
2007-000171        R1125                R-CHIP                                        SA
2007-000171        R1127                R-CHIP                                        SA
2007-000171        R149                 R-CHIP                                        SA
2007-000171        R157                 R-CHIP                                        SA
2007-000171        R159                 R-CHIP                                        SA
2007-000171        R160                 R-CHIP                                        SA
2007-000171        R406                 R-CHIP                                        SA
2007-000171        R407                 R-CHIP                                        SA
2007-000171        R408                 R-CHIP                                        SA
2007-000171        R417                 R-CHIP                                        SA
2007-000171        R419                 R-CHIP                                        SA
2007-000171        R420                 R-CHIP                                        SA
2007-000171        R429                 R-CHIP                                        SA
2007-000171        R433                 R-CHIP                                        SA
2007-000171        R439                 R-CHIP                                        SA
2007-000171        R440                 R-CHIP                                        SA
2007-000171        R506                 R-CHIP                                        SA
2007-000171        R602                 R-CHIP                                        SA
2007-000171        R609                 R-CHIP                                        SA
2007-000171        R610                 R-CHIP                                        SA
2007-000171        R627                 R-CHIP                                        SA




                                           4-5

               SAMSUNG Proprietary-Contents may change without notice
              This Document can not be used without Samsung's authorization
SGH-i300 Main Electrical Parts List




     SEC CODE                Design LOC                       Discription              STATUS
    2007-000171             R715                 R-CHIP                                  SA
    2007-000171             R814                 R-CHIP                                  SA
    2007-000171             R902                 R-CHIP                                  SA
    2007-000171             R905                 R-CHIP                                  SA
    2007-000171             R906                 R-CHIP                                  SA
    2007-000171             R907                 R-CHIP                                  SA
    2007-000171             R910                 R-CHIP                                  SA
    2007-000171             R913                 R-CHIP                                  SA
    2007-000172             R312                 R-CHIP                                  SA
    2007-000173             R601                 R-CHIP                                  SA
    2007-000566             R307                 R-CHIP                                  SA
    2007-000566             R316                 R-CHIP                                  SA
    2007-001325             R1128                R-CHIP                                  SA
    2007-001325             R424                 R-CHIP                                  SA
    2007-002797             R903                 R-CHIP                                  SA
    2007-003001             R434                 R-CHIP                                  SA
    2007-003001             R437                 R-CHIP                                  SA
    2007-003010             R504                 R-CHIP                                  SA
    2007-003112             R402                 R-CHIP                                  SA
    2007-003112             R403                 R-CHIP                                  SA
    2007-007107             R1116                R-CHIP                                  SA
    2007-007107             R901                 R-CHIP                                  SA
    2007-007132             R410                 R-CHIP                                  SA
    2007-007132             R414                 R-CHIP                                  SA
    2007-007133             R303                 R-CHIP                                  SA
    2007-007136             R431                 R-CHIP                                  SA
    2007-007142             R409                 R-CHIP                                  SA
    2007-007142             R412                 R-CHIP                                  SA
    2007-007142             R702                 R-CHIP                                  SA
    2007-007189             R101                 R-CHIP                                  SA
    2007-007189             R102                 R-CHIP                                  SA
    2007-007308             R413                 R-CHIP                                  SA




                                                    4-6

                        SAMSUNG Proprietary-Contents may change without notice
                       This Document can not be used without Samsung's authorization
                                                                SGH-i300 Main Electrical Parts List




 SEC CODE           Design LOC                       Discription                    STATUS
2007-007308        R416                 R-CHIP                                        SA
2007-007308        R422                 R-CHIP                                        SA
2007-007308        R423                 R-CHIP                                        SA
2007-007308        R427                 R-CHIP                                        SA
2007-007308        R428                 R-CHIP                                        SA
2007-007308        R807                 R-CHIP                                        SA
2007-007308        R809                 R-CHIP                                        SA
2007-007528        R425                 R-CHIP                                        SA
2007-007528        R432                 R-CHIP                                        SA
2007-007573        R309                 R-CHIP                                        SA
2007-007981        R1119                R-CHIP                                        SA
2007-008045        R628                 R-CHIP                                        SA
2007-008052        R133                 R-CHIP                                        SA
2007-008055        R103                 R-CHIP                                        SA
2007-008055        R120                 R-CHIP                                        SA
2007-008055        R140                 R-CHIP                                        SA
2007-008055        R209                 R-CHIP                                        SA
2007-008055        R213                 R-CHIP                                        SA
2007-008055        R214                 R-CHIP                                        SA
2007-008055        R215                 R-CHIP                                        SA
2007-008055        R216                 R-CHIP                                        SA
2007-008055        R217                 R-CHIP                                        SA
2007-008055        R219                 R-CHIP                                        SA
2007-008055        R220                 R-CHIP                                        SA
2007-008055        R302                 R-CHIP                                        SA
2007-008055        R436                 R-CHIP                                        SA
2007-008055        R810                 R-CHIP                                        SA
2007-008419        R1102                R-CHIP                                        SA
2007-008419        R435                 R-CHIP                                        SA
2007-008419        R502                 R-CHIP                                        SA
2007-008419        R621                 R-CHIP                                        SA
2007-008419        R622                 R-CHIP                                        SA




                                           4-7

               SAMSUNG Proprietary-Contents may change without notice
              This Document can not be used without Samsung's authorization
SGH-i300 Main Electrical Parts List




     SEC CODE                Design LOC                       Discription              STATUS
    2007-008419             R623                 R-CHIP                                  SA
    2007-008419             R624                 R-CHIP                                  SA
    2007-008483             R438                 R-CHIP                                  SA
    2007-008483             R801                 R-CHIP                                  SA
    2007-008483             R804                 R-CHIP                                  SA
    2007-008516             R104                 R-CHIP                                  SA
    2007-008516             R1109                R-CHIP                                  SA
    2007-008516             R111                 R-CHIP                                  SA
    2007-008516             R115                 R-CHIP                                  SA
    2007-008516             R116                 R-CHIP                                  SA
    2007-008516             R117                 R-CHIP                                  SA
    2007-008516             R118                 R-CHIP                                  SA
    2007-008516             R124                 R-CHIP                                  SA
    2007-008516             R131                 R-CHIP                                  SA
    2007-008516             R136                 R-CHIP                                  SA
    2007-008516             R137                 R-CHIP                                  SA
    2007-008516             R138                 R-CHIP                                  SA
    2007-008516             R143                 R-CHIP                                  SA
    2007-008516             R144                 R-CHIP                                  SA
    2007-008516             R148                 R-CHIP                                  SA
    2007-008516             R301                 R-CHIP                                  SA
    2007-008516             R305                 R-CHIP                                  SA
    2007-008516             R421                 R-CHIP                                  SA
    2007-008516             R509                 R-CHIP                                  SA
    2007-008516             R707                 R-CHIP                                  SA
    2007-008531             R503                 R-CHIP                                  SA
    2007-008531             R629                 R-CHIP                                  SA
    2007-008531             R630                 R-CHIP                                  SA
    2007-008531             R705                 R-CHIP                                  SA
    2007-008531             R708                 R-CHIP                                  SA
    2007-008531             R717                 R-CHIP                                  SA
    2007-008542             R1001                R-CHIP                                  SA




                                                    4-8

                        SAMSUNG Proprietary-Contents may change without notice
                       This Document can not be used without Samsung's authorization
                                                                SGH-i300 Main Electrical Parts List




 SEC CODE           Design LOC                       Discription                    STATUS
2007-008542        R311                 R-CHIP                                        SA
2007-008542        R356                 R-CHIP                                        SA
2007-008542        R441                 R-CHIP                                        SA
2007-008542        R505                 R-CHIP                                        SA
2007-008542        R704                 R-CHIP                                        SA
2007-008542        R802                 R-CHIP                                        SA
2007-008588        R105                 R-CHIP                                        SA
2007-008588        R106                 R-CHIP                                        SA
2007-008648        R709                 R-CHIP                                        SA
2007-009084        R803                 R-CHIP                                        SA
2007-009171        R611                 R-CHIP                                        SA
2203-000233        C151                 C-CER,CHIP                                    SA
2203-000233        C152                 C-CER,CHIP                                    SA
2203-000233        C512                 C-CER,CHIP                                    SA
2203-000233        C619                 C-CER,CHIP                                    SA
2203-000233        C715                 C-CER,CHIP                                    SA
2203-000233        C921                 C-CER,CHIP                                    SA
2203-000233        C932                 C-CER,CHIP                                    SA
2203-000233        C934                 C-CER,CHIP                                    SA
2203-000254        C149                 C-CER,CHIP                                    SA
2203-000254        C911                 C-CER,CHIP                                    SA
2203-000278        C915                 C-CER,CHIP                                    SA
2203-000278        C923                 C-CER,CHIP                                    SA
2203-000311        C530                 C-CER,CHIP                                    SA
2203-000386        C1021                C-CER,CHIP                                    SA
2203-000386        C916                 C-CER,CHIP                                    SA
2203-000425        C1023                C-CER,CHIP                                    SA
2203-000438        C1016                C-CER,CHIP                                    SA
2203-000438        C1119                C-CER,CHIP                                    SA
2203-000438        C1152                C-CER,CHIP                                    SA
2203-000438        C407                 C-CER,CHIP                                    SA
2203-000438        C409                 C-CER,CHIP                                    SA




                                           4-9

               SAMSUNG Proprietary-Contents may change without notice
              This Document can not be used without Samsung's authorization
SGH-i300 Main Electrical Parts List




     SEC CODE                Design LOC                  Discription                   STATUS
    2203-000438             C459                 C-CER,CHIP                              SA
    2203-000438             C460                 C-CER,CHIP                              SA
    2203-000438             C908                 C-CER,CHIP                              SA
    2203-000438             C909                 C-CER,CHIP                              SA
    2203-000466             C910                 C-CER,CHIP                              SA
    2203-000466             C913                 C-CER,CHIP                              SA
    2203-000550             C1010                C-CER,CHIP                              SA
    2203-000550             C325                 C-CER,CHIP                              SA
    2203-000585             C1104                C-CER,CHIP                              SA
    2203-000696             C914                 C-CER,CHIP                              SA
    2203-000812             C442                 C-CER,CHIP                              SA
    2203-000812             C456                 C-CER,CHIP                              SA
    2203-000812             C702                 C-CER,CHIP                              SA
    2203-000812             C704                 C-CER,CHIP                              SA
    2203-000812             C706                 C-CER,CHIP                              SA
    2203-000812             C906                 C-CER,CHIP                              SA
    2203-000812             C907                 C-CER,CHIP                              SA
    2203-000812             C917                 C-CER,CHIP                              SA
    2203-000812             C920                 C-CER,CHIP                              SA
    2203-000854             C501                 C-CER,CHIP                              SA
    2203-000854             C502                 C-CER,CHIP                              SA
    2203-000854             C532                 C-CER,CHIP                              SA
    2203-000854             C533                 C-CER,CHIP                              SA
    2203-000854             C555                 C-CER,CHIP                              SA
    2203-000854             C601                 C-CER,CHIP                              SA
    2203-000854             C602                 C-CER,CHIP                              SA
    2203-000940             C309                 C-CER,CHIP                              SA
    2203-000940             C411                 C-CER,CHIP                              SA
    2203-000995             C424                 C-CER,CHIP                              SA
    2203-000995             C431                 C-CER,CHIP                              SA
    2203-000995             C912                 C-CER,CHIP                              SA
    2203-000995             C918                 C-CER,CHIP                              SA




                                                    4-10

                        SAMSUNG Proprietary-Contents may change without notice
                       This Document can not be used without Samsung's authorization
                                                                SGH-i300 Main Electrical Parts List




 SEC CODE           Design LOC                  Discription                         STATUS
2203-001072        C701                 C-CER,CHIP                                    SA
2203-001210        C448                 C-CER,CHIP                                    SA
2203-001210        C449                 C-CER,CHIP                                    SA
2203-001210        C473                 C-CER,CHIP                                    SA
2203-001210        C477                 C-CER,CHIP                                    SA
2203-001239        C933                 C-CER,CHIP                                    SA
2203-001385        C924                 C-CER,CHIP                                    SA
2203-001385        C925                 C-CER,CHIP                                    SA
2203-001385        C926                 C-CER,CHIP                                    SA
2203-001385        C927                 C-CER,CHIP                                    SA
2203-001405        C491                 C-CER,CHIP                                    SA
2203-001405        C716                 C-CER,CHIP                                    SA
2203-001405        C802                 C-CER,CHIP                                    SA
2203-001412        C919                 C-CER,CHIP                                    SA
2203-002443        C484                 C-CER,CHIP                                    SA
2203-002443        C485                 C-CER,CHIP                                    SA
2203-002443        C486                 C-CER,CHIP                                    SA
2203-002443        C487                 C-CER,CHIP                                    SA
2203-002494        C139                 C-CER,CHIP                                    SA
2203-003054        C814                 C-CER,CHIP                                    SA
2203-003054        C816                 C-CER,CHIP                                    SA
2203-005056        C922                 C-CER,CHIP                                    SA
2203-005061        C1003                C-CER,CHIP                                    SA
2203-005061        C1004                C-CER,CHIP                                    SA
2203-005061        C1103                C-CER,CHIP                                    SA
2203-005061        C1111                C-CER,CHIP                                    SA
2203-005061        C1146                C-CER,CHIP                                    SA
2203-005061        C1151                C-CER,CHIP                                    SA
2203-005061        C212                 C-CER,CHIP                                    SA
2203-005061        C213                 C-CER,CHIP                                    SA
2203-005061        C402                 C-CER,CHIP                                    SA
2203-005061        C412                 C-CER,CHIP                                    SA




                                           4-11

               SAMSUNG Proprietary-Contents may change without notice
              This Document can not be used without Samsung's authorization
SGH-i300 Main Electrical Parts List




     SEC CODE                Design LOC                  Discription                   STATUS
    2203-005061             C415                 C-CER,CHIP                              SA
    2203-005061             C416                 C-CER,CHIP                              SA
    2203-005061             C603                 C-CER,CHIP                              SA
    2203-005061             C705                 C-CER,CHIP                              SA
    2203-005061             C711                 C-CER,CHIP                              SA
    2203-005061             C717                 C-CER,CHIP                              SA
    2203-005061             C733                 C-CER,CHIP                              SA
    2203-005061             C815                 C-CER,CHIP                              SA
    2203-005065             C440                 C-CER,CHIP                              SA
    2203-005065             C444                 C-CER,CHIP                              SA
    2203-005065             C452                 C-CER,CHIP                              SA
    2203-005065             C457                 C-CER,CHIP                              SA
    2203-005065             C551                 C-CER,CHIP                              SA
    2203-005234             C928                 C-CER,CHIP                              SA
    2203-005234             C930                 C-CER,CHIP                              SA
    2203-005281             C1008                C-CER,CHIP                              SA
    2203-005482             C1140                C-CER,CHIP                              SA
    2203-005482             C1141                C-CER,CHIP                              SA
    2203-005482             C482                 C-CER,CHIP                              SA
    2203-005503             C422                 C-CER,CHIP                              SA
    2203-005503             C430                 C-CER,CHIP                              SA
    2203-005682             C511                 C-CER,CHIP                              SA
    2203-005682             C513                 C-CER,CHIP                              SA
    2203-005682             C514                 C-CER,CHIP                              SA
    2203-005682             C515                 C-CER,CHIP                              SA
    2203-005682             C516                 C-CER,CHIP                              SA
    2203-005682             C517                 C-CER,CHIP                              SA
    2203-005682             C534                 C-CER,CHIP                              SA
    2203-005682             C535                 C-CER,CHIP                              SA
    2203-005682             C537                 C-CER,CHIP                              SA
    2203-005682             C538                 C-CER,CHIP                              SA
    2203-005682             C539                 C-CER,CHIP                              SA




                                                    4-12

                        SAMSUNG Proprietary-Contents may change without notice
                       This Document can not be used without Samsung's authorization
                                                                SGH-i300 Main Electrical Parts List




 SEC CODE           Design LOC                  Discription                         STATUS
2203-005682        C540                 C-CER,CHIP                                    SA
2203-005682        C541                 C-CER,CHIP                                    SA
2203-005682        C542                 C-CER,CHIP                                    SA
2203-005682        C543                 C-CER,CHIP                                    SA
2203-005682        C544                 C-CER,CHIP                                    SA
2203-005682        C545                 C-CER,CHIP                                    SA
2203-005682        C546                 C-CER,CHIP                                    SA
2203-005682        C547                 C-CER,CHIP                                    SA
2203-005682        C548                 C-CER,CHIP                                    SA
2203-005682        C549                 C-CER,CHIP                                    SA
2203-005682        C556                 C-CER,CHIP                                    SA
2203-005682        C557                 C-CER,CHIP                                    SA
2203-005682        C903                 C-CER,CHIP                                    SA
2203-005717        C803                 C-CER,CHIP                                    SA
2203-005717        C805                 C-CER,CHIP                                    SA
2203-005736        C527                 C-CER,CHIP                                    SA
2203-005806        C528                 C-CER,CHIP                                    SA
2203-005806        C905                 C-CER,CHIP                                    SA
2203-006120        C324                 C-CER,CHIP                                    SA
2203-006121        C323                 C-CER,CHIP                                    SA
2203-006121        C331                 C-CER,CHIP                                    SA
2203-006121        C609                 C-CER,CHIP                                    SA
2203-006137        C931                 C-CER,CHIP                                    SA
2203-006183        C552                 C-CER,CHIP                                    SA
2203-006194        C1022                C-CER,CHIP                                    SA
2203-006194        C1115                C-CER,CHIP                                    SA
2203-006194        C1116                C-CER,CHIP                                    SA
2203-006194        C1117                C-CER,CHIP                                    SA
2203-006194        C306                 C-CER,CHIP                                    SA
2203-006194        C728                 C-CER,CHIP                                    SA
2203-006194        C730                 C-CER,CHIP                                    SA
2203-006194        C804                 C-CER,CHIP                                    SA




                                           4-13

               SAMSUNG Proprietary-Contents may change without notice
              This Document can not be used without Samsung's authorization
SGH-i300 Main Electrical Parts List




     SEC CODE                Design LOC                  Discription                   STATUS
    2203-006194             C806                 C-CER,CHIP                              SA
    2203-006194             C807                 C-CER,CHIP                              SA
    2203-006194             C808                 C-CER,CHIP                              SA
    2203-006194             C809                 C-CER,CHIP                              SA
    2203-006194             C810                 C-CER,CHIP                              SA
    2203-006194             C811                 C-CER,CHIP                              SA
    2203-006201             C550                 C-CER,CHIP                              SA
    2203-006201             C710                 C-CER,CHIP                              SA
    2203-006208             C901                 C-CER,CHIP                              SA
    2203-006257             C1007                C-CER,CHIP                              SA
    2203-006257             C703                 C-CER,CHIP                              SA
    2203-006257             C707                 C-CER,CHIP                              SA
    2203-006257             C713                 C-CER,CHIP                              SA
    2203-006257             C714                 C-CER,CHIP                              SA
    2203-006260             C812                 C-CER,CHIP                              SA
    2203-006260             C813                 C-CER,CHIP                              SA
    2203-006305             C1018                C-CER,CHIP                              SA
    2203-006423             C101                 C-CER,CHIP                              SA
    2203-006423             C1019                C-CER,CHIP                              SA
    2203-006423             C102                 C-CER,CHIP                              SA
    2203-006423             C103                 C-CER,CHIP                              SA
    2203-006423             C104                 C-CER,CHIP                              SA
    2203-006423             C105                 C-CER,CHIP                              SA
    2203-006423             C106                 C-CER,CHIP                              SA
    2203-006423             C107                 C-CER,CHIP                              SA
    2203-006423             C108                 C-CER,CHIP                              SA
    2203-006423             C109                 C-CER,CHIP                              SA
    2203-006423             C110                 C-CER,CHIP                              SA
    2203-006423             C1105                C-CER,CHIP                              SA
    2203-006423             C1106                C-CER,CHIP                              SA
    2203-006423             C1107                C-CER,CHIP                              SA
    2203-006423             C1108                C-CER,CHIP                              SA




                                                    4-14

                        SAMSUNG Proprietary-Contents may change without notice
                       This Document can not be used without Samsung's authorization
                                                                SGH-i300 Main Electrical Parts List




 SEC CODE           Design LOC                  Discription                         STATUS
2203-006423        C1109                C-CER,CHIP                                    SA
2203-006423        C111                 C-CER,CHIP                                    SA
2203-006423        C1110                C-CER,CHIP                                    SA
2203-006423        C1112                C-CER,CHIP                                    SA
2203-006423        C1114                C-CER,CHIP                                    SA
2203-006423        C112                 C-CER,CHIP                                    SA
2203-006423        C113                 C-CER,CHIP                                    SA
2203-006423        C114                 C-CER,CHIP                                    SA
2203-006423        C115                 C-CER,CHIP                                    SA
2203-006423        C120                 C-CER,CHIP                                    SA
2203-006423        C121                 C-CER,CHIP                                    SA
2203-006423        C122                 C-CER,CHIP                                    SA
2203-006423        C123                 C-CER,CHIP                                    SA
2203-006423        C124                 C-CER,CHIP                                    SA
2203-006423        C125                 C-CER,CHIP                                    SA
2203-006423        C126                 C-CER,CHIP                                    SA
2203-006423        C127                 C-CER,CHIP                                    SA
2203-006423        C128                 C-CER,CHIP                                    SA
2203-006423        C129                 C-CER,CHIP                                    SA
2203-006423        C130                 C-CER,CHIP                                    SA
2203-006423        C131                 C-CER,CHIP                                    SA
2203-006423        C132                 C-CER,CHIP                                    SA
2203-006423        C133                 C-CER,CHIP                                    SA
2203-006423        C134                 C-CER,CHIP                                    SA
2203-006423        C135                 C-CER,CHIP                                    SA
2203-006423        C136                 C-CER,CHIP                                    SA
2203-006423        C137                 C-CER,CHIP                                    SA
2203-006423        C141                 C-CER,CHIP                                    SA
2203-006423        C142                 C-CER,CHIP                                    SA
2203-006423        C143                 C-CER,CHIP                                    SA
2203-006423        C144                 C-CER,CHIP                                    SA
2203-006423        C145                 C-CER,CHIP                                    SA




                                           4-15

               SAMSUNG Proprietary-Contents may change without notice
              This Document can not be used without Samsung's authorization
SGH-i300 Main Electrical Parts List




     SEC CODE                Design LOC                  Discription                   STATUS
    2203-006423             C146                 C-CER,CHIP                              SA
    2203-006423             C147                 C-CER,CHIP                              SA
    2203-006423             C148                 C-CER,CHIP                              SA
    2203-006423             C150                 C-CER,CHIP                              SA
    2203-006423             C153                 C-CER,CHIP                              SA
    2203-006423             C154                 C-CER,CHIP                              SA
    2203-006423             C155                 C-CER,CHIP                              SA
    2203-006423             C157                 C-CER,CHIP                              SA
    2203-006423             C158                 C-CER,CHIP                              SA
    2203-006423             C159                 C-CER,CHIP                              SA
    2203-006423             C203                 C-CER,CHIP                              SA
    2203-006423             C205                 C-CER,CHIP                              SA
    2203-006423             C206                 C-CER,CHIP                              SA
    2203-006423             C207                 C-CER,CHIP                              SA
    2203-006423             C208                 C-CER,CHIP                              SA
    2203-006423             C209                 C-CER,CHIP                              SA
    2203-006423             C210                 C-CER,CHIP                              SA
    2203-006423             C211                 C-CER,CHIP                              SA
    2203-006423             C217                 C-CER,CHIP                              SA
    2203-006423             C303                 C-CER,CHIP                              SA
    2203-006423             C312                 C-CER,CHIP                              SA
    2203-006423             C317                 C-CER,CHIP                              SA
    2203-006423             C330                 C-CER,CHIP                              SA
    2203-006423             C346                 C-CER,CHIP                              SA
    2203-006423             C404                 C-CER,CHIP                              SA
    2203-006423             C405                 C-CER,CHIP                              SA
    2203-006423             C414                 C-CER,CHIP                              SA
    2203-006423             C433                 C-CER,CHIP                              SA
    2203-006423             C434                 C-CER,CHIP                              SA
    2203-006423             C441                 C-CER,CHIP                              SA
    2203-006423             C474                 C-CER,CHIP                              SA
    2203-006423             C488                 C-CER,CHIP                              SA




                                                    4-16

                        SAMSUNG Proprietary-Contents may change without notice
                       This Document can not be used without Samsung's authorization
                                                                SGH-i300 Main Electrical Parts List




 SEC CODE           Design LOC                  Discription                         STATUS
2203-006423        C531                 C-CER,CHIP                                    SA
2203-006423        C608                 C-CER,CHIP                                    SA
2203-006423        C718                 C-CER,CHIP                                    SA
2203-006423        C719                 C-CER,CHIP                                    SA
2203-006423        C720                 C-CER,CHIP                                    SA
2203-006423        C722                 C-CER,CHIP                                    SA
2203-006423        C727                 C-CER,CHIP                                    SA
2203-006423        C729                 C-CER,CHIP                                    SA
2203-006423        C801                 C-CER,CHIP                                    SA
2203-006423        C817                 C-CER,CHIP                                    SA
2203-006423        C818                 C-CER,CHIP                                    SA
2203-006438        C1148                C-CER,CHIP                                    SA
2203-006438        C1149                C-CER,CHIP                                    SA
2203-006438        C401                 C-CER,CHIP                                    SA
2203-006457        C529                 C-CER,CHIP                                    SA
2203-006562        C1026                C-CER,CHIP                                    SA
2203-006562        C1028                C-CER,CHIP                                    SA
2203-006562        C1029                C-CER,CHIP                                    SA
2203-006562        C1030                C-CER,CHIP                                    SA
2203-006562        C1150                C-CER,CHIP                                    SA
2203-006562        C1153                C-CER,CHIP                                    SA
2203-006562        C214                 C-CER,CHIP                                    SA
2203-006562        C215                 C-CER,CHIP                                    SA
2203-006562        C216                 C-CER,CHIP                                    SA
2203-006562        C347                 C-CER,CHIP                                    SA
2203-006562        C348                 C-CER,CHIP                                    SA
2203-006562        C420                 C-CER,CHIP                                    SA
2203-006562        C428                 C-CER,CHIP                                    SA
2203-006562        C483                 C-CER,CHIP                                    SA
2203-006562        C708                 C-CER,CHIP                                    SA
2203-006562        C709                 C-CER,CHIP                                    SA
2203-006562        C712                 C-CER,CHIP                                    SA




                                           4-17

               SAMSUNG Proprietary-Contents may change without notice
              This Document can not be used without Samsung's authorization
SGH-i300 Main Electrical Parts List




     SEC CODE                Design LOC                  Discription                   STATUS
    2203-006562             C725                 C-CER,CHIP                              SA
    2203-006562             C731                 C-CER,CHIP                              SA
    2404-001151             C116                 C-TA,CHIP                               SA
    2404-001151             C446                 C-TA,CHIP                               SA
    2404-001151             C450                 C-TA,CHIP                               SA
    2404-001225             C1113                C-TA,CHIP                               SA
    2404-001268             C1001                C-TA,CHIP                               SA
    2404-001268             C1002                C-TA,CHIP                               SA
    2404-001268             C1101                C-TA,CHIP                               SA
    2404-001268             C1130                C-TA,CHIP                               SA
    2404-001268             C1131                C-TA,CHIP                               SA
    2404-001268             C1132                C-TA,CHIP                               SA
    2404-001268             C1147                C-TA,CHIP                               SA
    2404-001268             C201                 C-TA,CHIP                               SA
    2404-001268             C202                 C-TA,CHIP                               SA
    2404-001268             C204                 C-TA,CHIP                               SA
    2404-001268             C301                 C-TA,CHIP                               SA
    2404-001268             C302                 C-TA,CHIP                               SA
    2404-001268             C304                 C-TA,CHIP                               SA
    2404-001268             C305                 C-TA,CHIP                               SA
    2404-001268             C307                 C-TA,CHIP                               SA
    2404-001268             C308                 C-TA,CHIP                               SA
    2404-001268             C310                 C-TA,CHIP                               SA
    2404-001268             C311                 C-TA,CHIP                               SA
    2404-001268             C313                 C-TA,CHIP                               SA
    2404-001268             C314                 C-TA,CHIP                               SA
    2404-001268             C316                 C-TA,CHIP                               SA
    2404-001268             C319                 C-TA,CHIP                               SA
    2404-001268             C320                 C-TA,CHIP                               SA
    2404-001268             C321                 C-TA,CHIP                               SA
    2404-001268             C322                 C-TA,CHIP                               SA
    2404-001268             C327                 C-TA,CHIP                               SA




                                                    4-18

                        SAMSUNG Proprietary-Contents may change without notice
                       This Document can not be used without Samsung's authorization
                                                                SGH-i300 Main Electrical Parts List




 SEC CODE           Design LOC                  Discription                         STATUS
2404-001268        C403                 C-TA,CHIP                                     SA
2404-001268        C408                 C-TA,CHIP                                     SA
2404-001268        C413                 C-TA,CHIP                                     SA
2404-001268        C432                 C-TA,CHIP                                     SA
2404-001268        C443                 C-TA,CHIP                                     SA
2404-001268        C526                 C-TA,CHIP                                     SA
2404-001268        C606                 C-TA,CHIP                                     SA
2404-001268        C607                 C-TA,CHIP                                     SA
2404-001268        C618                 C-TA,CHIP                                     SA
2404-001268        C732                 C-TA,CHIP                                     SA
2404-001274        C1122                C-TA,CHIP                                     SA
2404-001274        C1123                C-TA,CHIP                                     SA
2404-001274        C1124                C-TA,CHIP                                     SA
2404-001274        C1125                C-TA,CHIP                                     SA
2404-001274        C1127                C-TA,CHIP                                     SA
2404-001274        C1128                C-TA,CHIP                                     SA
2404-001274        C1129                C-TA,CHIP                                     SA
2404-001274        C315                 C-TA,CHIP                                     SA
2404-001274        C406                 C-TA,CHIP                                     SA
2404-001274        C902                 C-TA,CHIP                                     SA
2404-001274        C904                 C-TA,CHIP                                     SA
2404-001305        C410                 C-TA,CHIP                                     SA
2404-001347        C1102                C-TA,CHIP                                     SA
2404-001353        C453                 C-TA,CHIP                                     SA
2404-001353        C455                 C-TA,CHIP                                     SA
2404-001374        C604                 C-TA,CHIP                                     SA
2404-001386        C140                 C-TA,CHIP                                     SA
2404-001395        C118                 C-TA,CHIP                                     SA
2404-001395        C156                 C-TA,CHIP                                     SA
2404-001397        C1120                C-TA,CHIP                                     SA
2404-001397        C1121                C-TA,CHIP                                     SA
2703-001242        L101                 INDUCTOR-SMD                                  SA




                                           4-19

               SAMSUNG Proprietary-Contents may change without notice
              This Document can not be used without Samsung's authorization
SGH-i300 Main Electrical Parts List




     SEC CODE                Design LOC                  Discription                   STATUS
    2703-001748             L701                 INDUCTOR-SMD                            SA
    2703-001748             L902                 INDUCTOR-SMD                            SA
    2703-001868             L901                 INDUCTOR-SMD                            SA
    2703-001876             L401                 INDUCTOR-SMD                            SA
    2703-002339             L501                 INDUCTOR-SMD                            SA
    2703-002368             L1001                INDUCTOR-SMD                            SA
    2703-002368             L1003                INDUCTOR-SMD                            SA
    2703-002608             L904                 INDUCTOR-SMD                            SA
    2703-002636             L905                 INDUCTOR-SMD                            SA
    2703-002768             L301                 INDUCTOR-SMD                            SA
    2703-002860             L903                 INDUCTOR-SMD                            SA
    2801-003747             OSC101               CRYSTAL-SMD                             SA
    2801-003747             OSC801               CRYSTAL-SMD                             SA
    2801-004189             OSC1001              CRYSTAL-SMD                             SA
    2801-004189             OSC102               CRYSTAL-SMD                             SA
    2804-001591             OSC401               OSCILLATOR-CLOCK                       SNA
    2804-001648             OSC1101              OSCILLATOR-CLOCK                        SA
    2809-001289             TCX701               OSCILLATOR-VCTCXO                       SA
    2901-001308             F501                 FILTER-EMI SMD                          SA
    2901-001308             F502                 FILTER-EMI SMD                          SA
    2901-001308             F503                 FILTER-EMI SMD                          SA
    2901-001308             F504                 FILTER-EMI SMD                          SA
    2911-000004             F903                 DUPLEXER-FEM                            SA
    3301-001342             F301                 BEAD-SMD                                SA
    3301-001806             L1101                BEAD-SMD                                SA
    3705-001358             ANT902               CONNECTOR-COAXIAL                       SA
    3708-002135             CN1101               CONNECTOR-FPC/FFC/PIC                   SA
    3709-001263             CN701                CONNECTOR-CARD SLOT                     SA
    3709-001344             CN601                CONNECTOR-CARD EDGE                     SA
    3710-002239             CN605                SOCKET-INTERFACE                        SA
    3711-005229             CN602                HEADER-BOARD TO BOARD                   SA
    3711-005296             CN502                HEADER-BOARD TO BOARD                   SA




                                                    4-20

                        SAMSUNG Proprietary-Contents may change without notice
                       This Document can not be used without Samsung's authorization
                                                                SGH-i300 Main Electrical Parts List




 SEC CODE           Design LOC                  Discription                         STATUS
3711-005578        CN503                HEADER-BOARD TO BOARD                         SA
3711-005578        CN606                HEADER-BOARD TO BOARD                         SA
3711-005781        CN301                CONNECTOR-BATTERY                             SA
3711-005793        CN501                HEADER-BOARD TO BOARD                         SA
3722-002181        EAR401               JACK-EAR PHONE                                SA
4202-001067        ANT1001              ANTENNA-CHIP                                  SA
4302-001130        BAT701               BATTERY-LI(2ND)                               SA
4709-001338        U1003                BALUN                                         SA
GH09-00029A        U801                 IC MICOM-SGHE610                              SA




                                           4-21

               SAMSUNG Proprietary-Contents may change without notice
              This Document can not be used without Samsung's authorization
5. SGH-i300 PCB Diagrams


                                                                       REC401                                                                 REC402



            G1                                                                                                                                                                        G2




                                                          LED602
                          Q601Q602                                                                                                                    LED603




                                       Q605



                                                             Q603




                                                                                                                                                     F903
                                                                                                       U902
                                                          ZD402




                                                                       U407
                                                                                                                                                                    U901




                                                                                                         TCX701
                                   U1108
                                                               ZD403

                                                                               Q402
                                                                                              DSP_IO




                                                                                                                                             U 802
                                                                                    TR701                OSC801

                                              U701
                                                                                    Q701




                                                                                                                                                                      U703
                                                                                                                       U801

                G7
                                                                                    U803

                                                                                                                                                       TP705   T
                                                                                                                                                           TP702 P703   TP704
                                                                                                                                                                    TP701
                                              OSC401




                                                                                   CN606




                                                                                                                                                     U1103
                                                                                                                  U 604




            G4         Q301                                                                                                                                                           G3
                                                                                                                                                                             U308
                                                                                                                     U402


                                                                                                                                  U323


                                                                                                                                                     U315
                                                                                   U 302




                                                                                                                                                                             BAT701
                                                                                                                                      U304
                          U307




                                                                                                                           Q302
                                                                                               U306




                                                                                                                                                             U301




                                         GND3


                                         TMS3
                                                                   ETHERNET_nCS3

                     TP1127
                                         TDO3


                     TP1125 TP1128       TDI3

                     TP1129 TP1124
                                         TRST3
                     TP1126 TP1123


                     TP1122 TP1107       TCK3

                     TP1108 TP1106
                                         F_WE3
                     TP1110 TP1112


                     TP202    TP1114


                     TP1115 TP1116              TP1111 TP1117


                     TP1118 TP1109              TP1121 TP1120 TP1119 TP1113                                       PH_GND




                                                                                                                  PH_TMS


                                                                                           TP404 TP201
                                                                                                                  PH_WE
                                                                                      TP401TP402

                                                                                           TP403                  PH_TDI



                                                                                                                  PH_RST




                                                                                                                  PH_TDO




                                                                                                                  PH_TCK




           G5                                                                                                                                                                          G6




                                                                                                                     5-1
                                Q101                                                                                                                        ZD612                           ZD603




                                                                                                                                                                                                                                                    U305
                                                                                                                                                                                            ZD602
                                                                                                                                                                                                                                                                                            F502 F501




                                                                                                                                                                                                    TH629
                                                                                                                                                            ZD611                          ZD613
                                                                                                                                                                                                                                                                                                             ANT902




                                                                                                                                                                           CN602




                                                                                                                           U1110
                                                                                                                                                                                                                                                                                                                           ANT_900




                                                                                                              OSC1101




                                                                                                                                                                                                                                            U1004
                                                                           CN601                                                                                                   TH624
                                                                                                                                                                                                                                                                         U501




                        CN301
                                                                                                                                                                                                                                                                                             CN501
                                                                                                                                                                                                                                                                                                                           ANT_1900




                                                                                                               U1102                                                                                                                CN502                                                   F504 F503




                                                                                                                                                                                                             U201
                                                                                                                                                                                                                                                            U602




                                         ZD601
                                         TH618




                                                                                                                                                                    U202




                ZD301 TH615
                                                                                                                                                                                                                                                 ZD503




                                                                                                                                                                                                        U203
                                                                                                                                                                                                                                                            ZD502
                              T H 616                                                                                                                                                                                                                       Z D 504      U404




                                                                                                      U1101
                              T H 617




                                                                                                                                                                                                                                         CN503




                                                                                                                                                    TP203
                              T H 628




                                                                                                                                            TP204




        CN605
                T H 620
                                                                                                                                                                                                                                                                                                                                      LED101




                              T H 619                                                                                                                                                                 U107
                T H 621




                                                                                                                                                                                                                    U105U106
                                                                                                                                                                                                                                                                      ZD505

                                                                                                                                                                                                                                                              D601

                D603




5-2
                T H 622




                                                                                                                        U1104
                T H 623                                                                                                                                                                                                                                                                                                ZD405




                                                           CN701
                D602




                                                                                                                                                                                                                         OSC101
                                                                                                              U1105                                                                                                                                                                             U303                   ZD404
                                                                                                                                                                                                                                                                                     F301




                                                                                                                                                                           U101

                                                                                                                                                                                                                                  Q401
                                                                                                                                                                                                                                                     U401




                                                                                                                                                                                                            U104U1107                                                   U409




                                 U1003
                                                                                                                                                                                                                                                                                                     ZD501




                                                                                                          CN1101                                                                                                    U1106                                                                   U502
                                                                                                                                                                                                             U108




                                                                   U1001




      ANT1001
                                                                                                                                                                                                                                                                              U408                            EAR401




                                                                                                                                   OSC102
                                                                                                                                                                                   U102




                                                                                             TP1001



                                                                                    ZD1101
                                                                           TP1002




                                                 OSC1001
                                                                                                                                                                                                                                                                                                                                               SGH-i300 PCB Diagrams
6. SGH-i300 Block Diagrams


                     Phone
                     Memory                                                Headset   Voice Band
                    LRS1828         JTAG CN                 SIM            MIC,SPK      Audio
                    ROM&RAM                                Connect
                                                                                      Processor



                                                                                             TX
    DPRAM
                                                                                  Sl4205           RF3146
                                                                                Tranceiver        Power Amp

                         Digital Baseband     INTERFACE      CSP
      IF                       Trident
                                                             2200
    Connect

                                                                                       RX
                                                                                                    FEM
    Phone                                                                                           6755
    Enable
     Logic




                                                            VC-TCXO
                                                           ( Osillator )

                                                     6-1
This Service Manual is a property of Samsung Electronics Co.,Ltd.   ⓒ Samsung Electronics Co.,Ltd.
Any unauthorized use of Manual can be punished under applicable
International and/or domestic law.                                         Code No.: GH68-07822A
                                                                                2005. 11. Rev.1.0

				
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Description: Samsung SGH-i300 Mobile Service Manual