6-12. Printed Wiring Boards - Panel Section - Sony HCD-EC69i Service Manual

HCD-EC69i/EC79i/EC99i
Ver. 1.1
HCD-EC69i/EC79i/EC99i

6-12. PRINTED WIRING BOARDS - PANEL Section -

• Semiconductor
1
Location
Ref. No. Location
PANEL BOARD
D301 E-6
D302 E-6
A
D303 E-6
D304 C-5
D305 B-1
D306 F-2
D307 F-2
D305
D618 E-4
(STANDBY)
Q301
D619 E-4
D620 E-3
B E
R328
R327
B
IC301 B-4
IC302 B-5
IC303 F-2
(EC79i: UK, AUS/EC99i) CN302
C353
Q301 B-1
Q302 E-6
LOADING
Q303 E-6
BOARD
Q304 F-6
Q305 E-6
Q306 E-6
SW351
C
CD LID
Q307 E-2
OPEN/CLOSE
Q622 E-4 DETECT
(EC69i/EC79i: US, CND)
Q624 F-4
D
P
CD BOARD
CN201
(Page 28)
E
E
KEY BOARD
F CN313
(Page 38)
G
36
• See page 27 for Circuit Boards Location.
2 3 4
37
LCD301
LIQUID CRYSTAL DISPLAY
JW301
JW322
JW306
JW308
X302
C341
C342
JW307
R309
R308
(EC69i: UK, AUS/EC79i: UK, AUS/EC99i: UK, AUS)
IC301
JW351
R363 R362
JW330
JW357 C354
JW368 C355
C317
R369
R370
2 CN306
JW365
1 C319
X301 JW309
JW339
C320
JW302 R396
C321
JW312
(EC69i: UK, AUS/EC79i: UK, AUS/EC99i: UK, AUS)
R326
(EC79i: UK, AUS/EC99i)
C330
JW317
JW371
R318 R319
JW305
R320
JW349
R321
JW350
JW326
R317
JW311
R445
R314
TP361
TP343
TP339
(EC79i: UK, AUS/EC99i)
R325
TP341
TP337
TP362
TP331
JW319
CN608
C675
TP333 TP332
JW352
TP334
C676 TP336
TP335
TP342
TP338
JW378
TP344
TP340
C671
JW361
JW375
D620
TP350
TP346 TP348
C703
TP347
R716
C673
C669
C434 JW316
(EC79i: UK, AUS/EC99i)
TP349
D619 R719
JW377 JW376 R722
R376 R377 JW303
TP363
3 1
R717
Q307
B E
E B R378
S301 R718
R379 Q624
ROTARY ENCODER
R447
TP321 TP319
VOLUME
JW304
TP323
1 3 C704
IC303
CN303
JW353
1 24
9
D306
25
TP324
C357
R442 D307 TP320
JW366
TP322
C352
JW320
R441
R443
C351
SW301 – 303,
SW313 – 318
36
• : Uses unleaded solder.
5 6
TP375
JW345
(EC79i: UK, AUS/EC99i)
3 1 TP378
1 SW301
R381
TP373
TP372
TP371
TP379
C313
TP374
IC302
TP380
TP376
C340
R337 R402
R384
R303
JW355
R302
R301
R401
R382
JW363 (EC99i)
SW318
R400
JW337
SUBWOOFER
(EC79i/EC99i)
ON/OFF
JW344
R305
R390
R389 JW343
JW338
R421
R418
R391
R387
C338 R315
(EC69i: US, CND, AUS/EC79i: US,
R433
JW324 CND, AUS/EC99i: US, CND, AUS)
C336
JW318 R313
C332
R420
R304
R419
R310
R386
R307
D304 R383
JW333
R312
(EC79i: UK, AUS/EC99i)
R306
JW328
JW334 R385
R450
R448
R422
SW317 SW302
SW303
FUNCTION DISPLAY
JW367
JW336
JW360 JW347
JW372 SW316
(EC69i/EC79i: US, CND)
JW332
JW364
C305
JW335
C306
JW327
D303
JW313
R334
TP307
R335 C303
SW315
R336
R720
JW340
–
R452
E B
Q622 C304 Q303
Q306 Q305
E B B E
Q302
TP301
B E B E
R332
R331
R311
TP311 JW362
D618
R329
D302
TP315 D301
TP305
R415
TP313
JW358 Q304 B E C301
C302
TP312 TP309 TP308 TP304
SW314
TP314
2
TP302
1
TP316
TP310 TP306
TP317
TP303
TP318
CN301
R414
R413
SW313
MAIN
N
BOARD – TUNING
CN607
(Page 32)
1-878-455-
Note: When the LOADING board is damaged, exchange the
entire CDM76A Assy (EC79i: UK, Australian/EC99i).
7
SW316
EQ (EC79i: UK, AUS/EC99i)
FUNCTION
(EC69i/EC79i: US, CND)
(EC79i: UK, AUS/EC99i)
11, 12
(11, 12)