Read Sony HCD-EC55 / HCD-EC77 / HCD-GX99 Service Manual online
6
6
HCD-EC55/EC77/GX99
HCD-EC55/EC77/GX99
PRINTED WIRING BOARD — PANEL BOARD —
•
:Uses unleaded solder.
IC302
IC301
1
3
1
2
C342
C341
C340
C332
C330
C321
C320
C328
C325
C326
C319
C317
C327
C314
C315
C316
C313
C312
C311
C310
C308
C304
C301
JR319
JR313
JR311
JR310
JR306
JR301
JR321
JR320
JR318
JR317
JR316
JR315
JR314
JR312
JR309
JR308
JR307
JR305
JR304
JR303
JR302
R399
R397
R396
R393
R392
R390
R389
R388
R387
R386
R385
R384
R383
R382
R381
R380
R379
R378
R377
R376
R375
R374
R373
R372
R371
R370
R369
R368
R367
R366
R365
R364
R363
R362
R361
R360
R359
R358
R357
R356
R355
R354
R353
R352
R351
R350
R349
R348
R347
R346
R345
R344
R343
R342
R341
R421
R340
R339
R338
R337
R336
R335
R334
R333
R332
R331
R330
R329
R328
R326
R325
R324
R323
R322
R321
R320
R319
R318
R317
R316
R315
R314
R313
R312
R311
R310
R309
R308
R307
R306
R305
R304
R303
R302
R301
R420
R419
R413
R412
R406
R405
R402
R401
R400
Q318
Q303
Q312
Q308
Q307
Q313
Q304
Q310
Q317
Q305
Q315
Q314
Q306
Q316
Q301
Q311
D303
D302
D305
D304
D301
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
x
TUNING –
l m
l m
TUNING +
M L
FUNCTION
TUNER/BAND
VOLUME
CD u
1-872-055-
13
(13)
14
(14)
R327
S301
JW353
JW335
JW390
JW348
JW342
JW369
JW368
JW367
JW366
JW365
JW364
JW363
JW362
JW361
JW360
JW359
JW358
JW357
JW356
JW355
JW354
JW352
JW351
JW350
JW349
JW346
JW345
JW343
JW341
JW340
JW339
JW338
JW337
JW336
JW334
JW333
JW332
JW331
JW330
JW329
JW328
JW327
JW326
JW325
JW324
JW323
JW322
JW321
JW320
JW319
JW318
JW316
JW315
JW314
JW313
JW312
JW311
JW310
JW309
JW308
JW307
JW306
JW305
JW304
JW303
JW302
JW301
X302
X301
C309
C307
C306
C305
C303
C343
C302
CN302
CN301
SW313
SW312
W306
SW311
W305
W304
SW305
SW304
SW303
LED301
LCD301
JW397
JW395
JW394
JW393
JW392
JW391
JW389
JW388
JW387
JW386
JW385
JW384
JW383
JW382
JW381
JW380
JW379
JW378
JW377
JW376
JW375
JW374
JW373
JW372
JW371
JW370
Q309
Q302
(LIQUID CRYSTAL DISPLAY)
MAIN BOARD
CN607
SUPPLEMENT-1
Page 3
CD MECHANISM
DECK
PANEL BOARD
(BACK LIGHT)
US,CND
EXCEPT
EC55 US,CND
EXCEPT AEP
,UK
EXCEPT US,CND
I
KEY-LEFT
BOARD
CN401
(
(
F
KEY-CD
BOARD
W402
G
KEY-RIGHT
BOARD
CN403
H
SUPPLEMENT-1
Page 8
SUPPLEMENT-1
Page 8
SUPPLEMENT-1
Page 8
(
(
(
(
(
(
1
2
A
B
C
D
E
F
G
H
3
4
5
6
7
8
• Semiconductor
Location
Ref. No.
Location
D301
E-5
D302
F-4
D303
E-4
D304
C-5
D305
E-5
LED301
B-2
IC301
B-4
IC302
B-6
Q301
B-2
Q302
D-5
Q303
D-5
Q304
E-5
Q305
E-5
Q306
F-4
Q307
E-5
Q308
F-5
Q309
E-5
Q310
E-5
Q311
E-2
Q312
E-3
Q313
E-3
Q314
E-3
Q315
E-2
Q316
E-3
Q317
E-3
Q318
E-3
Ver. 1.2
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