s,N. s35 7
OPERATION AND MAINTENANCE
\.-
S\^/AN MODEL
TV.2C
6t.swAnN T C S -/ ELECTRO
305 Af4ort Rord. (rc.!ntldo, A subsidiarYol Cubic CotPoratlon CA 9rl05a ' P{tn (714) 7gl'75i25
DISCUSSION GENERAL is ModelTV-ZC a crystal controlled transmitting and receiving convertThe Swan er for the 2 meter banddesignedto operate with swanTransceivers,Models250' 500, 5d0c, and 5oocx. The 20 meter band has been chosen isoc, 350, 350C,-400; i s t l i e s t i nd a rd i n te rme d ti te tr6 quency,( I.F.) , since it will pr ovide excel l ent t r i t . u i l i t y a n d f r e q u e n c y e a d o0 t . ' H o w l v e r , h e T V - z ci s a l s o a v a i l a b l e w i t h i t s '1 u bands. The var iou s meter , or 6 meter amateur r . n g e i n th e '.|5 m6 te r, i.F. dealer s' or whenr equir ed, the TV-Z C Swan I . F . r a n l e s ma yb e o rd e re d 'th rough m a yb e . q u ' i t ee a s i l y m o d i f i e df o r a d i f f e r e n t I . F . r a n g e ' w I n t h e s t a n d a rdmo d e lT V -2 C i th 20 meter I.F., the 14 mc output fr om theoduc e .|30 m c. cr ystal contr olled signal to pr d i s h e i e ro d yn e w i th a i r a n s c e i v er .144 m c . o u tp u t fro m i fre |V -Z C. As the Tr ansceiveris tuned fr om 14 mc. up a in upwar d fr equency,alfays- .139 g: .| T 44 i o 1 a . 3 5 mc.,'th e T ra n sve rte ro utput m oves signal at T ra n sce 'i vefre q u e n cy . in r eceiving m ode,the incoming r fius the d i i . . i s h e te ro d yn e w i th d h e tg 0 m c. cr ystal iontr olled signal, pr oducinga. o fre q u e n cy f 1 4 mc. The differ ence fr equency,or I.F. signa' 'l.is J i t f . r "n c e 14 way aS- any.other m c. signal. As the th th e T ra n sce i ve r e same r e c e i v e dby fro m 1 4 to 14.35m L., it witt' oe m onitor ingslgnals com i ng T r a n s c e i v e ii.s tu n4 .3 5 .|4 e a Tr mc. In o ther wor ds, the TV- 2C ansver tersimply conv er ts i n - i "o r 1 44 to 4 .3 5 '1 4 p o rti o n o f the 2 meier bandto cover the 14 to 14.35 m c . mi . the l+4 to ;;;d, ana as fir as tire Transceiveris concerned,it tunes and operates iust that_th e. on . i i t ' d o e s w h e nb e i n g o p e ra te d 20 r neter s. It is only necessar y dial r eading. If^t he b € addedto the Tr ansceiver c r y s t a l f r eq u e n cy,l i O mc., '14.35
mc., then the frequelc.y fllge-on 2 iiiri..iu..-niii"fune higherthan Transceiver 500C higher. For instance,the Model go .or"eiponiingly *ilr;-will using130mc. iniection will go when irn.t to 14.45mc., SOthe 2 rneteirange '144.45 mc. up to 'IU-ZC providesfor selection of three A 3 position crystal selector switch on the be 2 meterband.may covered. of rangls. Thus,three segnents the Convirston the low end, fof example: Nffi;iiv, tf,ii"trift be tliree adjacint segments-at t m t t m i A + i o i , i + . + S c . , 1 4 4 . 4 5o l 4 + . g m c . , i n d ' 1 4 4 . 9 o 1 4 5 . 3 5 c . T h e s eh r e e m 130.9 c.' , s " a n g e ir e q u i r . . . i s t a l i n j e c t i o nf r e q u e n c i eo f 1 3 0 , 1 3 0 . 4 5a n d respectivelY. IR 1 5M F T E . F . : will be bandis preferre!, operation If an I.F. rangein the 15 meteramateur essentiatlyth6 t.r. as with 20 meterI.F., exceptthat the crystal iniection .144 the. 14 2l "itt be 144minus mc., instead_gf minus mc. Tuning itrcqiieniv the 15 meterband,from 2l to 21.45mc. will tune an equivacross Transceiver of alent .45 mc. t"grenl of the 2 meterband. A crystal iniection frequency m o r e s u l t i n a r a n g e f 1 4 4t o 1 4 4 . 4 5 c ,e t c 1 2 3m c .w i l l t h u i I F I O M E T E .R . : bandis selected,a wider-segment.of. If an I.F. rangein'the l0 nBteramateur eachcrystal frequency, Th9l0 meterband will be tunedwith in. 2 meterUaiO to iun"i irom 28 to 29.7mc.,0F 1700KCas compared 450 KCon 15 metersand the l0 neter bandin one range. tune Transceivers 350 KCon 20 meters. TheSwan of frequency is if,rs,-if the Transverte"-t.F. on l0 meters,a cryglal_iniection l u s .|45.7 28mc' mc.(l16 p to o r i i O - ' i c . w i i f r e g u t t i n a n o p e r a t i n ga n g e f - 1 4 4 bandcan be covered of ina fiO plus 29lZ r..). Thirs,0lirger-p_ortion the 2 rneter -In properselectionof the three ?act, by l0 met6rI.F. iange. 6y-rii.di;g;
rf
rj
'..q'
crystal frequencies, the entire 2 meter band, from 144 to 148 mc. maybe overall stability and frequencyreadout will not be quite covered. However, a s g o o da s w i th a 2 0 me te r I.F . Since most oper ating in the 2 meter band in d o e sn o t c o ve r th e e n ti re 4 mc. bandwidth, but is concentr ated sm all segments, the 20 meter I.F. range is generally recorrnended, has been and d e s i g n a t ed s sta n d a rd . a ! 6 M E T EI RF . : . When the Swan 250 or 250CTransceiver is usedwith the TV-2CTransverter, the in I . F . r a n g ew i l l b e i n th e 6 me ter band. The advantage this case is tha t the e n t i r e 2 m e te r b a n dw i l l b e co ver ed with one cr ysta' l in the TV- 2C. The cr y s tal i n j e c t i o n fre q u e n cy i 'l 'l b e 1 4 4 minus50 mc., or ^ 94 m c. In tuning the Tr ans w .|44 c e i v e r f r o m 5 0 to 5 4 mc., th e o per ating fr eguency will tune fr om to l4B m c . S i n c e t h e ve rn i e r d i a 'l o n th e T ransceivercover s .5 m c., ( 500 KC) , fr eguenc y r e a d o u ta nd sta b i l i ty w i l l b e g ood. TECHNICAL FICATIONS SPECI RAN : F R EQ U E N C Y GE0 u tp u t: 1 4 4 - 148 MC. ' 10, F R EQ U E N C Y : In p u t: 2 0 meter bandstandar d. 15, MN GE or 6 m eter bands opti ona'l . P 0 WE R T R A N S M IT T E R R A T IN G:2 4 0 watts P.E.P. input with sing' le sideband voic e mo d ulation,180 watts CW input, 75 watts AMinput. Poweroutput in TUNE mode:80 to 100 + watts. E: T M N S M I T T E U T P UIMP E D A N C50 to 75 ohmcoaxial cable, ser ies tuned lin k 0R T
pR0Ducrs:oullllS;rrur.ry berow DIsToRTIoN TRANsMITTER ratedoutput. 30db.
RECEIVING CONVERTER: 40673 FET's 3 RCA with NoiseFigureless than 3 db. P.A. MFIERING: Cathode Current,0-400ma. Re1ative 0utput, 0-.|0. P.A. PANEL CONTROLS: Tune,P.A. Load,Driver Tune,CrystalSelector,Meter Switch,144mc. Transverter 0n-0ff. REAR PANEL CONTR0LS CONNECT0RS: Bias Adjust, Power AND P.A. Supp'ly Connector, RelayContro'l Jack, I.F. Output Jack, Coaxial
8 7 3 7P o w e r mp' lifier . A R 4 T M N S I S T OR S :C A 0 6 7 3F E T 'si n Rec. R.F. CASCADE, 40673 FETRec. Mixer , RCA 2 N 7 0 6 rysta 'lOsc. 2N706 eq. Mul p' l' ier . C Fr ti , ' P 0 W E R QU IR E ME N(NS :rma l 'l y RE To supp' lied Swan by l17XCpowersupp' ly,oper at i ng b o th th e S wan ansceiverand the TV- 2C ansver ter ) . Tr Tr F i l a m e n t s , 2 . 6 v o l t s A Co r D C , 2 . 0 4 a m p s . 1 V M e d i u m o l t a g e , 2 7 5 v o l t s D C ,] 2 0 M a . H i g h V o l ta ge, 800 vo' lts DC, 240 M a. D B i a sV o l t a g e , l 0 v o l t s n e g a t i v e C , 6 . 4 M a . l 0 s c . S u p p l yV o l t a g e , l 0 v o l t s r e g u l a t e d . n e g a t i vD C , 9 M a . e R e l a yS u p p l yV o l t a g 'e ,1 2 v o l t s D C , 1 2 5 M a'.1 3 ll D I M E N S I O lN Si:n . w i d e , 5 I / 2 i n . h i g h , 3 in. deep. Weight, lbs.
ruBE coMpLEMENT: o'o.f'lllli i;lffili''itl:l,t;:33'[:{,:l:"[[ilv 6JK6 rnjection
DESCRIPTION CIRCUIT MODE: RECEIVING
the MC. signa'lin the 144-148 ra!9!.is first amplified-by 2 slaqe An incoming e e t F , u R . F . A m p l i f i e rc i r c u i t w h i c h s e s4 0 6 7 3 E T ' s p r o v i d i n g x c e l l ,in ns e n s i t i v i t y FET ir'.-irpiiii.a-iignit ii-tnen hetdrodvned a 40673 andtow noise fi;;;;:or "I'F.'' difference mixerwith the civsiaf injection signif] fne frequency where into the Transceiver ind then coupled by is selected a i.esonant'circuit, r a n 9 9 ,. T h e i e i t i s r e c e i v e Ox a i i i y f i kie a n yo f h e t r e c e i v e ai g n a '.l i n , t h e I ' F t o s c i l l a t o r d s i g n a ' 'l s g e n e i a t eb y a t r a n s i i t o r i z e dc r y s t a l .rviiaf-injection a y d w h i c h r i v e s a t r e q u E n i t " i p i i n g s t a g e . T h y s ,t h e c r y s t a ' l s r e a c t u a l l y required'iniectionfrequency. oi.it'lat1ng at one-thirdthe MODE: TRANSMITTING circuit of into the cathode is outputfromthe Transceiver coup'led Transmitting with tranrrii-ri*.. ilig. in ttre TV-zc. Hbreit is heterodyned. the the r2By7 falls,in the 2 meter two frequencies of .ryttii inieition signit, T69sum the tuneddriver stage,andthen by the band,and i, u*piifi;d first bV ihe-6360 system into the 2 meterantenna po"e. nrpiitier-stagi. butput_iscoupled 6g646 cryital iniection signal is derivedfrom a through coaxial cablec6nnectorifne circuit that is usedin osiillator andfrequgncy.lripler iii!-iir.-.wiiai pentode amplifier stage a'6JK6 by n.i.iu.-roai, w.itn-irttn.r amptitication iniection voltage' the providing. necessary REQUIREMENTS: SUPPLY POWER supplywhichprovidesoperatingvollage: for the llTxc power Model swan Thesame the-Tv-zcTransverter. Theadditional power is Transceiver usedto power Swan provided the llTXC' by are iequirements adequately f i a t - 2 . 0 +a m p ss r g q g i r e d o r f i l a m e n t s . iii- iZ.6 volts'AC ( U ) l 2 v o l t s D Ca t 1 2 5m a .f o r t h e T / R r e l a y ' ( . ) l l 0 v o l t s n e g a t i v e Cf o r B i a s . D vo]tage' (A) 275 volts DC-at 120ma.medium ( . ) 8 0 0v o l t s D Ca t 2 4 0m a .h i g h v o l t a g e '
NOTE 1 0 vo l ts re g u latednegative DCat 9 m a' is re q u i re d fo i the tr aniistor oscillator and t f r e q u e n c yr i p l e r s t a g e . T h i s v o l t a g e . i s Tr th su p d ti e d -b y e Swan ansceiver ,and is one to on'the intlrconnecting changes be madein ' the Transceiver, and is described under " I n s t a l l a t i o n , T r a n s c e i v eM o d i f i c a t i o n s"' r
rt
i:
?
Qr&Q2 2N706
TRANSCEIVER TO Sl,lAN
DIAGRAM RECEIVE BLOCK
Q]&Q2 2N706
u2
128Y7
V4 54988/8737
TMNSCEIVER FROM Sl,lAN DIAGRAM BLOCK TRANSMITTER
SELECTIoN FREQUENCY CRYSTAL to Theformulafor calculatingthe crystal frequency be usedin the TV-Zdis:
F x = S i g n a l F r e q u e n c-y I . F . operating WhereFx is the crystal frequency, Signal frequencyis the des_ired o , o f t h e T V - Z C a n d ' I . F . - i s t f r e o p e r a t i n gf r e q u e n c y f t h e T r a n s c e i v e r . i..qu"nCy o W h e n r d l r i n g crysta l s, sp e ci fy paiallel r esonantand 9 pico far ad load. o F o r e x a m p l e : F o r a s i g n a l |f5e q u e n c y4 , 1 4 4 m c . , a n d a n I . F . o f 1 4 m c . , t h e .| f . r5 c o r ' 1 3 0 , d i v i d e d b . y3 , _ w h i c h a l c u l a t e s minus w frequency ill-be crystal m i . f h i s w i l l n o r m a l l yb e t h e c r y s t a l i n p o s i t i o n I o f t h e c.r|y s t a l 44 io-ag.333 mc. i . t . i t o r s w i t c h . W i t h t h i s c r y s l a l , t h e t u n i n g r a n g ew i l l e x t e n df r o m t o 1 4 4 . 4 5m c . , d s t h e T r a n s c e i v e irs t u n e d f r o m 1 4 t o 1 4 . 4 5m c .|44.45, and divide the diff er enc e r T o c a l c u l ate crysta l n u mb e2 , subtr act 14 fr om e r5 s u i t i s 4 3 . 4 8 3m i . , a n d w i t h t h i s c r y s t a l - t h e t 14 i n g _ r a n gw i l ' l b e e t4 b t a : . 1i4 r ".4 ' un to 14.45m c . to 1 4 4 .9mc., a s the Tr ansceiveris tuned fr om ii.om oper ation in any o cu a t'i on me T h i s s a m e th o d f ca l .|4l4 -1 4 8m aybe used to plice the TV- 2C mc. band. p o rti o n o f th e desired whichm aybe se l ec ted of T h e f o l l o wi n g ch a rt l i sts so me the var ious ar r angem ents Tra f o r S w a n n sce i ve rs. St,lAN G TRANSCEIVER I . F . T U N I NR A N G L 3 Sw a n 5 0 C, 5 0 0 C ,a n d m l4-.|4.45 c.
TV-zCRANGE
144.00-144.45
I 4 4 . 4 5 - I 4 4. 9 0 1 4 4 - g t ] - t 4 t 35
FREQ. CRYSTAL m 43.333 c.
4 3. 4 8
500cx
43 63
43.78:
43.
145.35-l4l
vLE RO-146.2
2t-21.4s
146.25-146.70 144.00-144.45
I 4 4 . 4 5 -| 4 4 . 9 U
I 4 4 . 9 U -| 4 5 - J 5
4 4- 0 8 3
41.000
4 1. 15 0 41.300
4 .450
4
I 4 5 . 3 5 -4 s . 8 0 l
|45.UU-
I 4 6. 2 5 - |
28-29.7 Swan3 5 0 , a n d 500 I 4 - l4 . 3 5
1 4 4 . 0 0 -4 5 . 7 0 l
l 145.00-46.lt)
|4h_h0-|48-7U
38.666
39.Llr 39-5
144.00-144.35
t5- |44. /U 1 4 4- 1 0 - | 4 5 - 0 5
43.333
43.45 43.55
13.85-14.35
14 4 . 0 0 - 4 4 .5 0 l
I 4 4 . 5 0 -| 4 5. U U
43.383
4 .550 4 .716
.883
I 45.00- t45.50
t45.5U-t40.
21-21.50
144.00-I44.
I 4 4 . 5 0 - l4 5. 0 0 I 4 5 . 0 0 - I 4 5. 5 U
4 .000 4 166
4t.333 4l.5UU
I 4 5 . 5 0 - 4 6. 0 0 l
'*
'.f
G TMNSCEIVER I . F . T U N I NR A N G E TV-2C RANGE FREQ. CRYSTAL 38.666
350, Swan 500 and
250, Swan 250C
28-29.7 5 0 -5 4mc.
'r44.00-145.70
r4s.00-.|46.
' t44- .l48
|46-5U-I4E-
31.333
INSTALLATION the C h R e m o vte e T V -2 C a b i n e t,a n d then the P.A.' top cover . Remove pr otelli v e cer ifier .tube. M ake tain the 54988 Ampf th e 5 4 9 8 8Power i l ; t i n g f r o m a ro u n d ar a i i p t u g g ea l l th e w a y d o w ni n its socket, and that the plate connector s e cabinet cover . P s e c u r e ; - Re p l a ce .A . to p co ver , and TV- 2C befor e Tr T h e f o l l o w i n g mo d i fi ca ti o n smust be m adein your Swan ansceiver Transverter. connectingthe TV-2C (a) Remove bottom cover from the transceiver, and locate the 12 the itor p i n p o *e r su p p l y co nnector . If you have a 500C 500CX, will br ass cover plate fr om the TVI filter the b e n e ce ssa ry'to -re move box.. ly ( b ) L o c a t ep i n l l o n t h e p Q w11, s u p pc o n n e c t o r . I f t h e r e i s a w i r e ' l e a d ' el_ It wi1l not' be needed. C onnec t i!. i^bm6ve a l re a d y'co n n e ci eto bin A - 1 - 0v o ' l t t e r m i n a l o f t h e Z e n e rd i o d e ' a wire"teia tromPin'l'l to the d D l 6 0 l . T h i s i s a s t u d t y p e 1 0 w a t t d i o d e m o u n t e o n t h e c h a s s i sn e a r from the 1ug which comes to the accesiory socket holi'. Connect the - .l0 vo]t ter m inal, and wil' l s upp'l y ra i n U o i y-o t" tf'.-Oi oA.. This is the th e re g u i a te dvo l ta ge to the cr ystal oscil' lator in the fV' zC. (c) th C o n n e ct re e .0 'l mfd. cer amicdisc bypasscapacitor fr om each of the a u xi l i i " v r.i .y te rm' inaisio a gr ound- iug. Thesear e the thr ee ter m i nal s l o c a t e d6 n t h e - b a c ko f t h e T r a n i c e i v e rc [ a s s i s i u s t b e h i n dt h e P . A . t u b e s . c f h e t n r e e . O t b y p a s s a p a c i t o r ss h o u l dh a v ea 5 0 0 v o l t r a t i n g .
c ( d ) C o n n e ctth r e e . 0 l m f d . b y p a s s a p a c i t o r sf r o m p i n s 4 , . 5 , a n d l O - o f t h e 500Cor M tug. If you ha.ve- the ode'l t6' a gr ouhO p o w e rsu p p l y co n n e c tor i m a yb e c o n n e c t e o u t s i d e - t h eb r a s sT V I f i l t e r b o x . I n t h j s t, b O O C Xh b s i ca se ,'th e .0 .1ci p a citor s wi' ll connectfr om the feed' thr u capac 'i torto g r o u n d ,a n d w i l l ' t h u s b e i n s h u n tw i t h t h e . 0 0 . |m f d . f e e d - t h r u . ( e ) R e p l a ce e b ra ss cover to the TVI filter th (f) box. Be sur e and r e- s ol der .
) T h e vo l ta g e d ro p p i ngr esistor s for the Zenerdiode ( Dl601 sho ul d^be on ohms,if ' lFMisn exper ienced your SSBs5 ch a n g e d tn a t'b o th ar e 500 iste t o t h e : l g . l a l ,o n , q w - ! l i ' l : . s i g n i t . T h e b e s t w a yt o c h e c ki s t o shift should tak e pl ac e. or fr equency te l i n g th e i ra n i m'i tt6r . No chir ping
D(t.0r!tt[crxtil msoDDLmq
D.0rlnAaNAGSr if,m.uGOmU
qPACMW&NN DSWnorm almn rcl
AD(1)
BSAIqPAqM[
lt*
NDOmUmrcowm Lmotrullsm
tu*.l&t btbulg|@
or tmn6
rcl
ltP^i
C PAOnom
SIMILAR MODELS BE APPROXIMATELY t,llLL OTHER Supplyas i l l us tr ated the TV- 2C,Tr ansceiver ,and Power b M a k e l l co n n e cti o n s e tw e e n a as leads are proper'lyconnected the TVUetow. Makecertain that the relay control to Tr ansm itmode. Othenr i s e' out2 C r . t a y cl o se s w h e nth e T ra n sceivir is switched the TV-2Creceiver circuitry. put from the Transceivercan damage ANTENNA: antennasystemsdesigned.for use in the 2 meter amateurband Any of the cornnon of Tiansverter provided the inpy! impedance the transmayUe used with the Swan networ k. The tr ans m i i s i o n l i n e i s n o t o u tsi d e th e capability of the m atching s s m i s s i o nl i n e s h o u l db e o f t h e c o a x i a l c a b l e t y p e . A n a n t e n n a y s t e m h o u l d coaxi al i h o r a s ta n d i n gw a vera ti o o f less than 2:l whenusing 59 of 75_ohm l t o l t r a n s m i s s i o ni n e . I f o p e n - w i r e r b a l a n c e d y p e t r a n s m i s s i o ni n e i s u s e dw i t h the Transverter and between the antenna, a suitable antennatuner is recommended ar t h e f e e d l i n e . V a ri o u styp e s o f antennas e available fr om your dealer , and als handbooks, o av ai l ar b f o r t h e an te n n a u i l d e r,-ma n y e descr ibedin the amateur -Remeirber your dealer. that even the most powerful transmitter is useless able from without a proper and efficient antennasystem-
*
.'w
OF BACK TV-zC
TRANSCEIVERS SI.IAN
^mo0Til
|
u
q
5Oa @Ar( LOW FREQ ANT.
REAR CONNECTIONS, VIE}I TV-zC CABLE
OPERATION TUNING: TMNSCEIVER Set the Transceiver to the proper band, correspondingto the one the TV-2C on is set up for. Tune-upproceduy.e the Transceiver is generally the same yrhen into an HF antennaon that band, except that bperating it dirictly as , mtti "eaiings will not be ai high as normal since plate^voltage to the output stage-of the Transceiverhas been reducedto plus 275 volts. Note Leave ttrai p.R. Fias adjustmentfor the Transceivershould not be changed._ at full voltage. Duringit at the sameseiting as whenoperating nonrnlly to meter, but remember TUNE transceiver tuning, y6u maydisrbgard the TV-2C AT A TIME: I0 THAN SECgNDS THETRANSCEIvER QltCtC-v,ANDNgTMgRE a ( a ) F o r H Fl 4 o d e l 3 5 0 , 3 5 0 c , 4 0 0 , 5 0 0 , 5 0 0 c , n d 5 0 0 c x : A d i u s t P . A . s dips to a cathodecurrent reading Loadcontrols until P.A. PLATE of 150 ma. (Transceiverl4eter). (b) For 6 meter rnodel250 and 250C: Set the meter switch to output coritrols for maximum and P.A. L0AD position, and adjust P.A. PLATE meter reading. (Transceiverl''leter).
TV-2CADJUSTMENIS: (a) control to and Meter Switch to OUTPUT, the TV-2CP.A. L0AD Set the TV-2C p r t e n , ( 3 o ' c l o c k ) . S w i t c ht h e T r a n s c e i v e t o T U N E o s i t i o n , a n d q u i c k l y meter reading on and P.A. TUNE the TV-2Cfor maximum adjust DRMR TUNE mode(TV-2C Meter). Switch the Transceiverback to REC
position, an{ - quickly adiust the P.A . LOAD ( b ) S w i tch th e T ra n sce i ve r TUNE to output reading. Then reset the TV-2C the TV-ZCfor maximum control on output. Repeatpeakingof P.A. L0AD TUNE contrcl again for maximum P.A. output rcading is reached. Switch until maximum controls and P.A. TUNE back to REC mode. the Transceiver
(c)
mode. (BV Switch the Transceiver to normal SSB TU-ZC BIASADJUSTMENI: button on the m ic on m ostm odels) ,adiust the p r e ssi n g th e P u sh -to -T a ' lk car co n tro l for Car r ier Null, ( m inimum r ier ) . Thens et the b a r r i e r-B a l a n ce for 60 ma. r eadingon the TV- 2C o n b a ck of the TV- 2C P . A . B IA Sco n tro l position for meter switch must be in CATHODE meter. Note that the TV-2C t h i s a d j u stme n t.
(d) TV-zCCATH0DE After both the Transceiverand the TV-2Chave been CURRENT: meter will properly adjusted, normal cathodecurrent reading g! the TV-2C Tr position. In SSB ansmitmode'adi us t ma. in TUNE b e b e tw l e ni g O a n d 2 0 0 Meter reading of Cathode the TransceiverMIC. GAINfor an averageTU-ZC s e t t i n g w i l l n o r m a l l yb e a b o u t9 t o l 0 o ' c l o c k . a b o u t1 2 5 m a . M I C . G A I N I . F . L EA K -T H R OU GH : g V e r y s t r o n g s i g n a l s i n t h e I . F . r a n g em a y ' l e a k - t h r o u g h ,i v i n g t h e i m p r e s s i o n t h a i y o u a i e h l a ri n g a w e a k2 r neterslgni' l whenin fact it is a ver y str ong s i gnal iorin! iniough at ifie Transceiver freqiency. Be.sure to connectthe three .01 i m f d . S y pa ss a p a ci to rs to th e Auxiliar y Relay Switchingter m inals inside the T r a n s c e ive r,a s d e scri b e db e for e a I f s i g n a l s i n t h e I . F . r a n g ea r e s t i l l l e a k i n g t h r o u g h , . c o n n e c t s h o r t g r o u n d This m aybe c opper s t r a p f r o m th e tra n sce i ve r ch assis to the Tr ansver terchassis. b r a i b o r stra p , a b o u t 1 /2 i n ch wide. Also conneg!a goodgr oundline to the c has s i s t r o m a g ro u n d 'i o do r w a te r p i pe. Refer to the alignmentsection for adius tm ent of the I.F. trap. I.F. WH E N C I R C U IMOD IF IC A T ION S C HANGING RANGE: T whe nc onv er ti ng in m T h e f o l l ow i n g ch a rt i n d i ca te s what changes ust be m ade the TV- 2C d i f f e re n t I.F . ra n g e . to a FREQ. CRYSTAL See chart pg. 5 I.F. RANGE
c707 c'|08 cl 09 (Across(Across (Across 1708 o'r 1802 Lr ) )
None None 5pf None None None 5pf 20 pf None Non e ( Noneconnect jumper across half of coil L702)
l 4 m c .( s r o 1
2l mc.
4 3 a p p rox. 4 l a p p rox. 3 9 a p p rox. 31.333
I l
28 mc. 50 mc.
I
?o pt
wtr changingI.F. r anger - it will be nec es s ar y Af t e r m aki n gth e ci rcu i t ch a nges en cir t o a d j u st e i ch o f th e ch a n g ed cuits; that is: per m eabilitytune coils 1802' ind L702. Refer to the alignment section for instructions. Ll01
?t
i
1 r
+i
ALIGNMENT
necetl3tyfrequencies coveri.ng.the calibratedGrid Dip Osci'llator An accurately is procedure usingthe.GriaDtp on1.y.The, r.V-U. uiedio align the Transverter. coil and tune the circuits the lRFrgRriate exceptinii Vru coupleto the same ior riiirur iitoiiiiioi, on thb Grid Dip oibiliator. For thosewithoutGrid Dip with can oscillators, alignment be accomplished a meteras fo]lows. CAUTION
DangerousHigh VoLtages a"e used' i'n thi's lmit' ALL safety pineeautionsmust be used at aL-Lt.g1zs' z'tnen aQjusting eoupling to finciE" Pa*iiuLirt'i tutk eireui-t. Neuer toueh anything inside the fi .n a l tu tke i re u i .t|hieLdedeontpehnentTti' ththe energiied. Short tank ei'reuit to PoDe"sLQpLA grom'd iFti" tttwti-ng pouer supply off to bLeed off filter eqaeitors before touehing anything uiih the p.a. tank eirewLt' eormeeted EQ U I P M E N T : to w T h e f o l l o w 1 n ge q u i p rn e n t i 'l 'l b e necessar y pr oper ly align the Tr ansver te r . l. 4]0B or equiva' lent. VT V M H e w l e ttP a cka rd
125 o l no Z . W a t tm e t e rw i t h a.l44n - i n d u c t i v eo a d . M u s tb e c a p a b l e f h a n d f i n g .l48 load and the mc. Youmayuse a dunrmy to watts or moreat Transverter. 0utput meter on the T h e f o l l o wi n g e q u i p me nits d e sir able but not necessar y. '1. Model59 or Cor Gri d D i p g sci l l a to r (GD0) Measur ements por ation eq u iva le n t. Z. El e ctro n 'i.|4o u n te r,o r accur ater eceiver , to checkactual fr equenc i esfr om cC 8 mc. 3 0 mc. to
A L I G N M EN T : l. Z. D i s c o n n e cs c r e e nv o l t a g e l i n e f r o m f i n a l P . A . a t V 4 P i n 3 , a n d V 3 P i n 7 . t ' in cr ysta' l socketson top of tfr e I n s e r t H 'i, L o w ,a n d Mi d ra nge cr ystals c h a s ssi . O S C I L L A TQ]: 0R a. Set Transverter crystal switch to Lowfrequencycrystal. Set VTVM gr o n -'l vo l t D Csca 'l !. Connect oundlead to Tr ansver terchassis. -Set core of L80'l even with top of probe to Pin I of Vl. Connect Set core f o r m , e x c e p tf o r 5 0 m c . I " F',indication l / 4 " i n w i n d i n gf o r coil on VTVM. Switch voltage 5 0 mc. A d j u st |A OSto r m aximum on o ff a n d o n to se e th a t cr ysta' l comes ever y tim e. If available' check frequencyto see jf crystal is in fact on proper overtone' u si n g co u n te r, re ce i ver , or GD0.
b. c.
Makesameconnectionsas in (a) above, except.switch Transverter crystal switch to Hi frequencycrystal. Hi W h i l e sw i tch i n g b e tw een and Lowcr ystals, adiust C805for same with either cr ystal. Peak1802on Low vo l ta g e i n d i ca i i o n o n VTVM H c r y s t i l , t h e n w h i l e s w i t c h i n gb e t w e e n i a n d L o wc r y s t a l s , r e a d i u s t _ with either cr ys tal . voltage indication on VTVM fo a s n e ce ssa ry r sa me sl If n e ce ssa ry i g h tl y adiust C805for best balance.
ES I . F . R A N G A T 1 4 , 2 1 , a n d2 8 M C . : a. p to S e t V T V M - ] 0 v o l t D Cs c a l e , a n d m o 'v l 4 r o b et o P i n 2 o f Y 2 . S e t le c (rD r i v e r T u n e ) open. Adiust. ore of Ll0l 4 g a n gt u n i n g c o n d e n s e s i f o i ' m i x i m u mn d i c a t i o n o n V T V M . I f e q u i p m e ni t a v a i l a b l e c h e c kt o se e th a t fre q u e n cyi s 3 tines cr ystal over tone. 3/4,open,cr ystal Re p e a t(a ) a b o ve ,w i th 4 gangtuning condenser i s w i t c h o n H i c r y s t a l , a n d a d j u s t C ' 1 0 4n s t e a do f 1 1 0 1 . (a uhtil no fur ther impr ovem ent Sw i tch b e tw e e n ) a n d ( b) adjustm ents in tracking canbe achieved. a S i n c e t h e 5 0 m c . I . F . r e q u i r e so n l y o n e c r y s t a l , p r o c e e d s f o l l o w s . cl o se C l 0 4, then back off I l/4 tur nsr Sgt 4 gang..- c onC o mp l e te l y indication on VTVM. de n se r to -1 /2 o p e n . Adjust Ll0l for m aximum
b. c. d.
MIX T R A N S MIT T E R E R : to I t i s n e ce ssa ry p ro vi d e d ri ve fr om the Tr ansceiverfor the follwing S T EP output. o Se eT r a nsce i ve r p e ra ti n g i n str uctions, and set for CW a. l a Se t T ra n sce i ve r n d T r ansver terfor 144 mc. Set 4 gangcondens er/4 on probe on VTVM Pin I or 3 of V3. LeaveVTVM -10 to open. Connect ' of vb tt OCsca l e . E n e rgizetr ansmitter and adiust 9919- L202for is available, checkto s ee oi ma xi mu i n d i ca ti o n.|44 VTVN. If equipm ent m mc. that frequencyis is Re p e a t(a ) a b o ve ,e xc ept that 4 gangcondenser set to 3/4 ope n, and TuneC207instead of L202, tra n sm'i tte ra n d T ra n sver terset [o i4B mc. n fo r ma xi mu im d i ca ti o n on VTVM . a Sw i tchT ra n sce i ve r n d Tr ansver terfr om Lowto Hi ends of band, and s r e p e a t ( a ) a n d ( b ) a d j u s t m e n t u n t i l p r o p e rt r a c k i n g i s a c h i e v e d .
b.
c. -
DRIVER: TRANSMITTER a.
to wire to v3, Pin 7. set vTVM -.|00volts DCscale., screen Re-connect probeto swinger bias pot at rear of Transverter'(R{3)' on connect ind fliin voftageion, but Traismitternot keyed,adiust bias pot for -30 volts DC. for 144mc. Key transmitter and andTransverter Adjust Transceiver 8 rise L302for maximum on VTVM.( Appr oximately v ol ts ) adj ust core of for 148mc. Key transmitter and andTransverter A d j u st Transceiver on on VTVM. rise for maximum adjust C303
11
d
b.
c.
in ( b) and ( c) a bov e' H d # s w i tch i n gb e tw e e n i a n d Lowend of band, adjust as " u n t i 'l tra cki n g i s a ch i e ved P.A. FINAL: a. watt screenwire to v4, Pin-3. connect50 ohmload and not Re-connect meter is meter to antennaiack on-"eai of Transverter. If watta r elat' ive a v ai 'l a b l e , u se th e o u tp ut t.t." on the Tr ansver teras tr ansm itter i n di ca ti o n . w i th n o ." vi tii- in Oscillator cir cu' it, key( Ra03)fot: a n d a d j u st B i a s co n tro l on r .ur of r r ansver ter chassis current switch 60 ma. of cathodecurrent as-inaicated by th9 cathode cr p o s i t'i o no n th e T ra n sve r ter ' Rep' lace ystal ' ' 148 mc. Keytr ansmjtter and -fo a a b . A d iu st T ra n sce i ve r n d Tr ansveriterfor fina'l tank c'ircuit (Final plate f resonateinal tank cit.Lil. fur ther im pr ov ea n d l o a d i n te ra ct, ro " .lpeip iever at times until no m en t'i sn o te d ). 'load it c f i n a l, ( a t l e a s t ] 8 0 m a .o f c a t h o d e u r r e n t ) , I f u n a b l et o f u ] 1 y 1402and 1403. to may be necessary adiust coup'lingbetween CAUTION REMow\1LTAGESuIDDISCHARGEFTLIEICAPA?ry2RS B E F o n E I1 U 1 H INGFINALTANKcIRct]II,AS800v2LlS lO DC IS CONNECIED EINAL TANKCIRCUIT. a D o n o t o ve rco u p l e s p o or signal m ayr esult' c. C303until m ax i m um 1303and 140''l r e- r esonat' ing Ad i u st co u p l i n gb e tw e e n o ul p u t i s i ch i E ve da s i ndicated by watt m eter ' output on watt meter' for maximum a'I1 trirmer condensers d. Re-peak 'load and i f o r L o we n d o f b a n d , ] 4 4 m c . R e s o n a tfe n a ' l e. set ail contro'rs m eter . Peak output gn y3lt p .A . T u n e . A d i u st co re in"lgoz tor maximum iiighi.adiustment of cor es in Ll01' L202' a nd o utp u t o n w a tt me te r U v 1302. 1 8 0 1t o b a ] a n c e t f . A t t h i s p o j n t , i t m a yb e n e c e s s a r yo s l i g h t ' l y . q d i Y s ! output Srtpui at boih "nai-oi-uui,a. Do iot idiust for-maximum a l l maximum possible,unless a t e i t h e r e n d , b u t f o r s ' i m i l a ro u t p u t a s n e a r a i end of bandonly' o pe ra ti o n i s i n te n d e dat one g. h. b a n de d g e s ' c h e c ko u t p u t i n m i d d l eo f b a n d . I t s h o u l de q u a l o r e x c e e d off , 'is c Check arrier ba1ance.If signal will not null, set is tak'ing m a l - a d i u s t . J ,o i i n i " e i s e x c l s s i v e c a p i e r l e a k t h r u '
AL R EC E I V E R IGN ME N T : of for a' lignment receiver c'ircui ts . T h e f o l l o wi n g e q u i p me nits n e cessar y Gener ator Cor Me .|48 l . S i q n a l Ge n e ra to r, a s ur em ents pModel80 or equiva1ent. mc. to r ui t-u . i a p a b l e o f co ver ing14 mc' 2. Hewlett Packard4'l0Bor equivalent' AC VTVII'I, L2
a . S i n ce th e 0 sci l l a to r has a' lr eadybeenadiusted in the Tr ansmitte r or a l i g n me n tse cti o n , n o fur ther adjustment alignm entis necessa r y .
b.
r D u r i n ga l i g n m e n o f r e c e i v e r , k e e pP . A . P l a t e o f T r a n s c e i v e a n d D r i v e r t peaked the frequencybeing used for adiustment. at Tuneof Transverter
CAUTION DURTNG ALTGNMENT THE RECETWR, D0 NoT KEY 0F IUv RESULI r0 rHE rEST AS IRANSMTTTER, DAMAGE ESAIPMENT
c.
.|44 .|44 i m c . a n t e n n an p u t c o n n e c t o r mc. signal into the Iniect a r I n c r e a s el e v e l u n t i l s i g n a l i s h e a r di n T r a n s c e i v e a t t h e p r o p e r f r e q u e n c y . A d j u s t c o r e i n L 7 0 2( I . F . o u t p u t c o i l i n r e c e i v e r s e c t ' i o n signal genof T V -2 C ) r ma xi mum fo audio or "S" M eter level. Reduce e r a t o r l e v e l i n a l l f o l ' l o w i n ga d i u s t m e n t sa s n e c e s s a r y . , responseto a weak Adjust Potentiomenters R503and R504for'maximum signal. r esponse. Repeat Ad j u st va ri a b l e ca p a citor s C604and C702for m aximum a d j u s t m e n t3 o r 3 t i m e s a s t h e y i n t e r a c t s l i g h t l y d u e t o c l o s e c o u p l i n g . s or unless dam aged Co i l s 1 5 0 'la n d 1 5 0 2should never needadiustm ent t he or re p l a ce d . T h e sea re factor y adiustedby spr eading squeez' ing .|46 that m c. Thesecoils ar e br oad enough a co i l s fo r re sp o n se t p e a k i n g t l o w o r h i g h e n d o f b a n dw i l l n o t e f f e c t s e n s i t i v i t y o r n o i s e a fi g u re e n o u g h b e n oticable. to
d. e.
f.
proceedure for best noise figure is to run the audio volume 9 . Reconnnended duc c o n t r o l 3 / 4 t o f u l l o n , a n d a d i u s t l e v e l b y r e " S " i n gt h e R . F . G a i n M e t e rr e a d i n g si n t h i s lack of i c o n t r o l . T h e o n l y i n c o n v i e n c es t h e co n d ti o n. i
ra 15
____,
' &
CHART TV-zCVOLTAGE E
B
c
0
0 T r a n s i s t o r sQ 1 P i n l , a n d Q 2 'l with A200uHY Pin , measured c h o k ei s s e r i e s w i t h m e t e r l e a d '
Qr
Q2
T
R T R
* - 5. 9 *-5.9 *-6.5 *-6.6
*-8.0 *-8.0
* - 9. 8 *-9.9 3 4
0
0
tr
P I N# T V1 R
1
I
?
.35 .4 .|
6 74 83
7 0 0
8
9
* - 2. 3 8 *-2.12
*1.29 -..l9 I 2 .6AC +9 +8.8
+ l ' l. 8
5 . 3 A C I 2 .6AC 5 . 3 A C I 2 .6AC
213 241
u?
V3 V4 Q3 Q4 Q5
T T T
- 7. 1 2
0 * - 3 3 .3 + 5. 4 + 5. 6 +.7
0
-19 ?58 +l.5 +l.5 0
12.64C I 2.6AC
r 3.gAC 5 . 3 A C
0 FiI CT
237
190 0
tBl
0
NC
2s0
*-33.3
2s0
.23
+.l.52 +l .54 +.7
Plates 800vDc
are Al.f measurements + 10% point indicatedto chassis per ohms volt-meter. From -iii. made r,{easurements with 20,000 points exceptthosenotedabove' on r.s-unv .nor.6 all RF ;;;;;: * These points greatly effectedby-crystalactivity andproximityof test lead' etc' different condit'ions. under asMayvary by as mirch 30%
14
LIST PARTS ITORS CAPAC 074-019 l C I A / C l B / C l C5 V a r . 088-002 l 5 0 , D M5 cl0l 072-006 D 5 C l 0 2 . 0 0 . l ,2 0 % 0 0 V i s c D 072-006 5 C l 0 3 . 0 0 . l ,2 0 % 0 0 V i s c . Cl0 4 2 0 , M i ca C o mpT ri n rn e r 089-003 D 5 c l 0 5 . 0 1 , + g g - 2 0 % ,0 0 V i s c 072-023 072-006 D 5 C l 0 6 . 0 0 . l ,2 0 % 0 0 V i s c D 072-006 5 C l 0 7 . 0 0 . l ,2 0 % 0 0 V i s c e C l 0 B F a c t o r yS e l e c t a b l C l 0 9 F a c t o r yS e l e c t a b l e 088-002 I c 2 0 l 5 0 , D M5 0 8 8- 003 c202 75, DMls 0 8 8- 003 c203 75, DMI .|000, 5 088-022 DM20F c204 088-035 c205 12, DMls 072-006 C2 0 6 . 0 0 . l , 2 0 %5 0 0 VD i sc Trirrner 0 8 9- 003 C207 20, Mica Comp. 072-006 5 C 2 0 8 . 0 0 . | , 2 0 % 0 0 VD i s c 088-004 I c 3 0 1 ] 0 0 , D M5 D 5 C 3 0 2 . 0 . | , + 8 0 - 2 0 % , 0 0 V i s c 072-023 . C3 0 3 6 0 , M i ca C o mpT ri mme r 089-006 , D C 3 0 4 . 0 ' l, + g g - 2 0 %5 0 0 V i s c 072-023 0 7 2- 006 5 C 3 0 5 . 0 0 . | , 2 0 % 0 0 VD i s c 5 c 4 0 1 . 0 . | , + 8 0 - 2 0 % , 0 0 vD i s c 072-023 I C4 0 2 l 0 0 0 ' , I 5 0 V E ie ctro lY t'i c 0 7 3- 0] . |0 M F 077-00.l F e e d th ru C4 0 3 .|000, 0 7 7- 001 Feedthru C404 D 072-006 5 .00], 20% 00V isc C405 074-03.l Variable C406 l0/.|0 .|000, Feedthru 077-002 C407 074-032 c 40 8 3 5 , A P C 3 084-0.| C 4 0 9 5 0 , 6 K V ,N ] 5 0 0 ,D ' i s c 072-006 | C4 l 0 . 0 0 . , 20 %5 0 0 VD 'i sc 088-00r 5 3 0 , D Ml c 4l l 0 88- 023 c 4 1 2 2 7 , D Ml s 0BB-002 c 4 t 5| 0 0D M l s 3 . 0, , . C 4 l 4 .|000M i c a C o m pT r i m m e r 0 89- 005 0 77- 00.| Feedthru C4l5 D 5 0. , C 4 l 6 '.1 0|0 ,+ 8 0 - 2 0 % , 0 0 V i s c 072-023 088-004 5 DMl c50l 088-002 c502 50,0 DMl5 .|0 0, 077-00.| Fe e d th ru C5 0 3 5 C5 0 4 . 0 1 ' , + g g -2 0 %' 0 0 VD i sc 072-023 5 C5 0 5 . 0 . |, + 8 0 -2 0 %, 0 0 VD i sc 072-0?3 0 7 7- 001 C5 0 6 ] 0 0 0 , F e e d th ru 4 088-0.| c60l 270, DMls .|000, 077-001 Feedthru C602 5 c 6 0 3 . 0 1 , + 8 0 - 2 0 % , 0 0 vD i s c 072-023 C604 C605 C606 C607 c70l C702 C703 9704 C705 C706 C707 C80l c802 c803 c804 CB05 cB06 cB07 cB08 6 0 75- 0.| I I .6 , Var iable .|000, 077-001 Feedthr u 500VD' isc 072-023 .0.|, + .|000, 80- 20%, 077-001 Feedthru 088-002 D,M5 I 5|0|,. 6 . . 6 0 75- 0.| Variable 500VD' isc 072-023 .0.|, + 80- 20%, 072-006 500VD' isc .001 20% , .| 077-001 Feedthr u 000, 8 0 72- 0.l D 5 .002,20% 00V t'sc Factor ySelectable 072-006 D 5 .. l0 0 ] , 2 0 % 0 0 V i s c 2, 0 88- 035 DMl5 500vD' isc 072-023 .0.|, +80- 20%, 088-045 5 470, DMI . l l 5 , M i c a C o m pT r i m m e r 0 89- 007 088-003 7|5 ,0D M l 5 . 0 , 088-004 DMls 088-004 ]00, DMls
RES I STORS Rt0t Rl02 R l0 3 Rt04 Rl05 Rl06 R20l R202 R203 R204 R205 R206 R207 R30l R302 R303 R40'l R402 R403 R404 R405 R406 R407 R50l R502 R503 27K 56 Ohm s I 50K loK 2l,l lt^l 47 Ohm lt^l 47 Ohm 47K 220 lhn Ztt 220 lhn 2W 220 }hn 2W 2W 56 Ohm I 8K lK I 50K 27K 12K2W IK 4.7K 25K Pot. 1 Ohm Zw 5% 5% 360 Ohm .|00 Ohm I 5K ]M 2.2t4 250KPot. 042-273 0 42- 560 042-154 0 44- l03 043-470 043-470 042-473 044- Z ?1 044-221 044-221 044- 560 042-r 3 8 042-102 042-154 042-273 044-123 042-102 04?-47? 052-038 9 049- 01 046- 361 0 4 2 - l0 l 0 42- l53 042-t 5 0 0 42- ?25 052-045
I
I a
*
15
* BESIST0RS R504 R505 R50l R602 R603 R604 R605 R606 R70't R702 R703 R704 R80l R802 R803 RB04 R805 R806 330 Ohms 180 5% lM 2.2]4 180 5% 250KPot. loK l0l.l 330 680 '100K 470 47 Ohms 3.3K 8.2K 470 Ohms 4.7K 33K 470 Ohms
. #
RELAY 042-33'l 046-t8'l 05 042-1 042-225 8l 046-1 052-045 049-003 042-331 042-681 04 042-l 042-471 042-472. 042-332 042-822 042-471 042-472 042-333 042-471 K] ]2VDC 3P2T
I ' r 10 1 5
COILS/CHOKES
Ll 0l L20l L202 L30l 1302 L40l L402 1403 1404 1405 1406 L50l 1502 160'l 1602 L70l L702 L80l 1802 Plate Coil Inj. Am p UH .2 T r a n s .M i x e rC o i l 'l .8 uh Dri ver Coi'l Final Grid coil 'l i . Fi nal Amp P'late Co PickuP Antenna .? uh .2 uh 1 . 5u h First R.F. InPut F| i.r8 t R . F . 0 u t P u t . s uh R.F. 0utPut Second R e c .M i x e r I n P u t Rec. M ixer 0utPut 0sciI'l ator CoiI Tripler Coil
012-09'l 027-019 01?-092 027-0'18
Sl,lAN Sl.lAN St^lAN ShlAN 9 027-0.l 027-019 0?7-020 Sl^lAN SI^lAN 8 027-0.l S!'fAN SWAN 012- 093 0l 2- 089 012-090
TUBES VACUUM
vl u2 v3 v4
6JK6 128Y7 6360 58948
Injection Amp. Transm'itMixer Driver ifier PowerAmpl
472-043 472-002 472-050 472-036
TMNSISTORS
Q'l Q2 Q3 Q4 Q5 2N706 2N706 40673 40673 40673
476-001 I Osci i ator 476-001 Tri pler F i r s t R . FA m p . 476-012 R.F. Amp.476-012 Second 476-012 Rec.M'ixer
LAMP GEt 5 8l METER MI DI OD E S D40'l 060'l 47'l-005
'n
2-008
I N34A 12U2WZener
475-008 475-020
ShlITCHES
sl s2 . " s 3
Meter Switch Crystal Se'lector ON-OFF
't -058 7t 't7't-059 r 7t -075
16
.ft
' l t
WANBANTY
POLICY
WANRAIqTS TEIS !$NPUBTT CONFORAIION SWAII ll.lCTRONlCS EXCIFT ON WOru
SwAn
ELECTRONICS
OCEANSIDE,CALIFORNI.A A StlDeklltrl ol Cublc @rlp.lrrloa
E
I
5
I
E I I
iat-t2
E t T lo 9
l
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