Printed Wiring Board - Panel Board - Sony HCD-EC68P Service Manual

HCD-EC68P/EC78P
HCD-EC68P/EC78P

6-13. PRINTED WIRING BOARD - PANEL Board -

• Semiconductor
1
Location
Ref. No. Location
PANEL BOARD
D301 D-4
D302 D-2
D303 D-3
A
D304 C-4
D305 E-5
D306 E-2
D307 E-3
R327
STANDBY
IC301 B-3
IC302 A-5
IC303 E-2
JW342
LED301 A-1
R326
JW320 C355
Q301 B-1 B
Q302 D-4
JW336
Q301
Q303 D-4
C354
Q304 D-3
B E
Q305 D-2
JW329
Q306 D-2
Q307 E-5
R328
Q308 E-5
JW325
Q309 E-5
Q310 E-5
JW332
Q311 F-5
JW385
Q312 F-5
C
Q313 F-4
Q314 F-4
JW317
Q315 F-5
JW311
Q316 F-4
Q317 F-4
R414
Q318 F-4
R422
C314
R325
SCR1
D
C316
SW319
DISPLAY
JW403
JW337
E JW404
JW398
JW397
R444
SW314 (EC68P/EC78P:US,CND)
+
F
JW393 JW392
R415
R416
SW315
C353
–
G
(EC68P/EC78P:US,CND)
36
• See page 27 for Circuit Boards Location.
2 3
LCD301
LIQDID CRYSTAL DISPLAY
37 JW382
JW347
LED301
FB301
JW314
C342
C341
C317 X302
JW330
R401
JW364
IC301
JW366
(EC68P:AUS/EC78P:UK)
JW339
X301
R396
C319
SW312
JW344
JW372 C321
C320
JW353
SW313
JW388
JR309
C348
C347
JW318
C330
JW303
JR313
JW360
R413
R448 R412
JW383
R383
R405
JW357 JW331
JW343
R384
R406
SW305
JW328
TUNING +
SW304
JW310
FUNCTION
JW315 JW326
JW313
JW306
JW333
C328
JW377
C346
JW340
C315
D303
JW387
R336
C304
C306
R334
JW324 R333
JW365
B E B E
B E
C305 C303
JW358
Q304 C356
D302 Q305
Q306
JW307
JW405
R379
R377
C357
R378
R376
D307
D306
C352
3 1
C351
R445
R443
R441
9 1
R442
IC303
S301
JW402
ROTARY
JW401
ENCODER
VOLUME
JW361
JW394
R366
R368
JR311
C345 R428
R426
JW395
C344
R374 R372 R370 R360
JW356 R375
R373
R371 R369
R367 C312
JR308
JW362 R365
12 2
JW352 R364
C311
R362
1
13
CN302
CN303
2 4
R363
1 5
2
CN311
(CHASSIS)
MOTOR CD MECHANISM
BOARD DECK
Q
(EC78P:UK)
CN001
(Page 39)
36
• : Uses unleaded solder.
4 5
IC302
R381
JW384
1 3 2 1
R301 R302
(EC68P/EC78P:US,CND) R303
R337 C313
R380
R402
C340
(EC78P)
JR301
R382
JR305
JW301
R447 JW367 JW322
JR303 R385
R392
JW354
JR310 R400 JW341
R390
R433
R391
CN306
R446
JW312
JR307
R389 JW308 JW363
JW359
R429
JW348
C338
JW338 R306
R420
JW375
R304
JW349
R419
C332 JR302
SW311
R309
R307
R386
R311
R308
JW376
JR315
JW355
R312
R317
R316
R387
R323
JW370 R310
R318
D304
SW303 CN301
R319 R314
JW319
R320
JW386
R321
R322
R324
Q303
R329
R313
E
B
R332
JW380
R331
Q302
JW374
B E C302
JW378 R315
JW309
D301 JW316
JW381
C301
JW345
JW321
W301 SW318
R330
PLAY MODE/
R335
TUNING MODE
JW390
JW371
JW406
JW350
JW305
JW391
JW389 JW369
JW335
R338 R341
R342
JW373
R340
R339
R418
C308
R344
JW400
Q307
E B
R343
Q309
DSGX
JW399 C343
B E R421 SW317
D305
C310 B E
Q310
R345
Q308
C309
JW396
JW302
JW346
JR304
JW323
R361 Q318
Q317
R357 R355
JW334
R358 E B
E B E B
E B
R356 SW316
R359
JW351 Q316
Q315
Q314 JW304
EQ
R354 Q311
B E
B E Q313
R353
R349
JW368
R350 B E
R347
R351 B E
R352
Q312
R346 R348 R417
1
1-875-490-
KEY CD
A
BOARD
(Page 38)
6
SW303 - 305,
SW311 - 319
B
KEY
POWER
BOARD
W401
(Page 38)
SW311
CD
SW303
-TUNING
L
MAIN
BOARD
CN803
(Page 30)
14
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