Sony HCD-WZ88D / MHC-WZ88D Service Manual ▷ View online
37
37
HCD-WZ88D
HCD-WZ88D
5-13. PRINTED WIRING BOARD – REGULATOR SECTION –
•
See page 21 for Circuit Boards Location.
:Uses unleaded solder.
• Semiconductor
Location
Ref. No.
Location
D581
C-2
D901
E-7
D902
B-7
D903
C-7
IC501
E-2
IC581
C-3
IC901
B-5
IC903
B-8
IC906
B-8
IC913
C-8
Q501
D-2
Q502
E-3
Q520
E-2
Q521
D-2
Q522
D-3
Q523
D-2
Q524
E-3
Q551
D-2
Q552
E-3
Q581
C-2
Q582
C-2
Q583
C-2
Q584
C-2
Q585
C-2
Q903
C-7
Q904
C-7
IC581
IC501
IC903
IC906
IC913
IC901
MAIN BOARD
CN110
(Page 32)
H
MAIN BOARD
CN111
(Page 32)
G
E
E
E
E
E
E
E
E
E
E
E
E
E
E
SYSTEM CONTROL 2
(TO DXA-WZ88D)
(CHASSIS)
HS901
HS903
(CHASSIS)
DMB10
BOARD
BOARD
CN401
(Page 26)
B
4CH-VOL
BOARD
CN304
(Page 39)
L
VIDEO
BOARD
CN800
(Page 41)
M
E
E
1
2
A
B
C
D
E
3
4
5
6
7
9
8
38
38
HCD-WZ88D
HCD-WZ88D
5-14. SCHEMATIC DIAGRAM – REGULATOR SECTION –
R510
R509
R559
R560
R521
R588
R589
R590
R591
R592
R596
Q584
R594
R595
R584
Q582
Q581
C551
R553
C501
R503
R525
Q521
R598
IC901
Q522
Q524
Q523
C907
D901
Q520
R563
R513
R552
R502
R564
R514
R500
R515
R517
R914
R915
IC913
IC906
C923
R904
R905
IC903
R516
TP2
TP1
R906
C522
IC581(1/2)
IC581(2/2)
Q585
R554
R504
R551
R501
R557
R558
R507
R508
Q551
Q501
C914
Q904
Q903
R907
R561
R511
C929
JW922
JW928
CN504
CN503
IC501
D903
C919
C920
C922
L911
JW923
JW905
JW907
C909
C910
L901
C906
C905
JW903
NO505
JW908
CN506
R582
R581
R585
R586
C584
R587
C585
C583
C586
JW939
C587
C589
R597
CN501
R593
C590
C510
C511
C559
C509
C553
C503
C523
R522
C556
C506
C521
JW927
JW931
CN502
EP901
EP502
R583
C915
Q583
D581
Q552
Q502
R556
R506
C588
D902
390
18k
18k
390
100
2.2M
15k
15k
10k
4.7k
22k
DTC114EKA
10k
10k
2.2k
DTC114EKA
DTC114EKA
0.0015
10k
0.0015
10k
100
DTC114EKA
100
TA7809S
DTC114EKA
DTA114EKA
DTA114EKA
6800
35V
D3SBA20
DTC114EKA
1k
1k
100
100
3.3k
3.3k
220
22k
4.7k
820
10
SI-8050JF
BA033T
1000
6.3V
1.8k
10
SI-8090JF
100k
XX
XX
1.8k
0.1
NJM4558M
NJM4558M
DTC114EKA
100k
100k
100k
100k
3.9k
1k
3.9k
1k
2SC3661
2SC3661
2200
16V
DTC114EKA
DTC114EKA
22k
33k
33k
0.1
12P
8P
BA3308
RK36LF-A4
1000
35V
3300
10V
0.1
MT
1000
35V
3300
16V
0.01
0.01
5P
5P
100k
100k
10k
1k
470
10V
10V
1k
100
10V
10V
1 50V
22p
0.01
10
50V
0
16P
10k
22
50V
2.2
50V
50V
2.2
50V
10 50V
10 50V
10
50V
10
50V
22 50V
2.2M
22
50V
22 50V
100
10V
10V
16P
8.2k
0.1
2SC2412K
1SS355TE
2SC3661
2SC3661
10k
10k
0.01
RK36LF-A4
39
39
HCD-WZ88D
HCD-WZ88D
5-15. PRINTED WIRING BOARD – 4-CH-VOL SECTION –
•
See page 21 for Circuit Boards Location.
:Uses unleaded solder.
E
E
E
E
E
E
E
E
E
E
E
SUB
WOOFER
OUT
REGULATOR
BOARD
NO505
(Page 37)
L
MAIN
BOARD
CN105
(Page 32)
F
DMB10
BOARD
BOARD
CN302 (Page 26)
A
SYSTEM CONTROL 2
(TO DXA-WZ88D)
IC301
1
2
A
B
C
D
3
4
5
6
• Semiconductor
Location
Ref. No.
Location
D324
B-2
IC301
C-4
Q301
D-4
Q302
A-4
Q303
A-5
Q304
A-4
Q305
B-4
Q306
B-3
Q307
B-4
Q308
B-3
Q309
B-3
Q323
D-4
Q324
B-2
40
40
HCD-WZ88D
HCD-WZ88D
5-16. SCHEMATIC DIAGRAM – 4-CH-VOL SECTION –
28
R333
R334
R335
R336
C307
C312
C320
C324
C331
C334
C357
C341
C344
C343
R313
R331
R312
R330
R309
R310
R332
R359
R306
R302
R352
R301
R307
R308
R311
R323
R357
R358
R361
L341
R337
R304
C370
C371
C372
C373
C374
C375
C376
C377
R370
R373
R376
R379
R382
R385
R388
R391
R372
R375
R378
R381
R384
R387
R390
R393
C345
R341
R342
R305
R355
R371
R374
R377
R380
R383
R386
R389
R392
R338
Q301
Q302
Q303
Q304
Q305
Q306
Q307
Q308
Q309
R368
R369
R394
R395
R396
R397
R398
R399
R340
R324
D324
Q323
C338
JR302
Q324
FB301
C351
R351
R353
C354
R356
R322
R320
C301
R303
CN301
CN302
C337
J302
CN304
C353
C316
C366
C304
C306
C323
C322
R321
C356
R354
C305
C352
C355
C321
C325
C342
C303
C302
IC301
C358
C315
C333
C332
C309
C359
C361
C308
C311
R360
C360
C310
CN303
R362
C365
R363
C330
C362
2.2k
100k
1k
1k
10
50V
10
50V
10
50V
10
50V
10
50V
10
50V
10
50V
100 16V
100
16V
1
50V
10k
1k
1M
1M
2.2k
2.2k
2.2k
2.2k
4.7k
470
470
47k
47k
47k
47k
47k
47k
47k
47k
100k
10k
10
50V
10
50V
10
50V
10
50V
10
50V
10
50V
10
50V
10
50V
2.2k
2.2k
2.2k
2.2k
2.2k
2.2k
2.2k
2.2k
1k
1k
1k
1k
1k
1k
1k
1k
470
16V
1k
1k
1k
1k
10k
10k
10k
10k
10k
10k
10k
10k
100k
2SC3661
2SC3661
2SC3661
2SC3661
2SC3661
2SC3661
2SC3661
2SC3661
2SC3661
47k
47k
47k
47k
47k
47k
47k
47k
0
2.2k
5.6B
DTC114EKA
470p
0
2SC5053
0UH
10
50V
47k
10k
10
50V
4.7k
4.7k
10k
10
50V
10k
23P
4P
0.01
2P
220p
0.022
0.022
10
50V
0.001
0.001
10
50V
1k
0.001
10k
0.001
220p
0.001
0.001
10
50V
0.1
220p
220p
M61530FP-D60G
0.001
10
50V
0.1
0.22
0.0022
0.0022
10
50V
0.001
10
50V
2.2k
10
50V
10
50V
19P
1M
10
50V
10k
0.047
10
50V
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