Sony CDC-R937 / CDC-X937 Service Manual ▷ View online
25
25
CDC-R937/X937
(Page 27)
1
A
B
C
D
E
F
G
H
I
J
2
3
4
5
6
7
8
9
10
11
12
13
BRN
RED
GRN
ORG
YEL
GRN
ORG
YEL
S1
S2
R211
R208
R241
R225
R206
R221
R238
R249
R250
R224
R281
R282
R252
R298
R299
R209
R203
R204
R229
R230
R247
R253
R235
R236
R244
R212
R223
R246
R231
R233
R202
R222
R237
R227
R256
R215
R245
R254
R255
C224
C268
C223
C272
C273
C274
C245
C246
C252
C253
C254
C281
C282
C262
C261
C237
C202
C221
C222
C227
C232
C248
C263
C271
C264
C247
C258
C244
C243
C259
C260
C225
C228
C279
C229
C230
R257
C275
R248
R205
R210
R213
R214
R226
R201
R239
R243
R251
R207
R258
TC201
JR102
JR201
JR203
L241
L242
IC201
L221
Q221
CON201
IC241
Q202
IC221
R240
Ref. No.
Location
IC201
D-7
IC202
F-10
IC241
I-7
(Q201)
E-5
Q202
G-5
Q203
F-8
• Semiconductor
Location
( ): SIDE B
26
26
CDC-R937/X937
4-8. PRINTED WIRING BOARD — MAIN SECTION — • Refer to page 19 for Circuit Boards Location.
(Page 32)
1
A
B
C
D
E
F
G
H
I
J
2
3
4
5
6
7
8
9
10
11
12
13
14
27
27
CDC-R937/X937
(Page 30)
(Page 25)
(Page 32)
(Page 32)
1
A
B
C
D
E
F
G
H
I
J
2
3
4
5
6
7
8
9
10
11
12
13
14
15
CDC-X937
CDC-R937
F901
R133
IC151
C156
C154
D905
C157
R125
C121
R120
C119
R132
R126
Q107
Q108
C125
C151
D906
C126
R113
C153
R117
R119
C155
R152
C120
R118
R151
D904
IC901
R123
R124
IC971
C521
R965
C703
R834
Q103
JR1
R728
C513
IC721
C511
C512
R503
D981
Q522
R942
Q408
C901
C722
C774
R730
R811
Q422
C903
R109
C904
R935
R937
R916
Q421
R448
R927
C908
R926
R122
C123
R972
C902
D972
R424
D702
C520
R451
R409
R822
R406
C518
R404
R402
R708
C407
C416
R706
R710
IC401
Q410
C406
C429
C514
R823
R449
R472
R473
C414
C411
C408
R918
R978
C422
C509
C413
C421
R729
R836
Q834
R408
C438
R411
R812
R474
R929
R425
C412
R410
C419
C508
R715
R401
R405
C410
R471
R418
R722
R413
R414
R732
R944
R407
R707
R422
R403
R106
R979
R832
R426
C516
R901
R906
D822
R902
R773
R939
R721
R977
R711
R443
L901
C832
C436
R831
D813
R969
C821
C726
R709
C910
R705
R110
C437
R507
R996
R777
R435
R987
R936
R439
D703
R833
R986
R523
R928
R923
R421
R726
R814
R431
C522
C458
Q731
R819
R114
C503
C409
R427
C802
R506
R931
Q901
D701
R433
R774
C405
R727
C724
R415
R909
C117
R952
R966
Q409
R462
Q423
C109
R970
C515
R950
C813
R815
D422
C812
Q832
C725
C517
R772
R429
R908
Q411
R419
R107
Q406
R921
Q106
Q407
Q105
C110
R112
R991
R905
R436
R957
R949
C107
R105
R438
R776
C506
R724
R778
R505
C972
C127
C501
C906
R919
C502
C526
R971
C505
C129
R922
C103
R428
R959
R723
R423
R104
R907
C705
R121
C707
R953
R910
R924
C415
R504
R437
D832
C435
R771
R116
R412
C822
C118
Q833
C507
Q812
D421
C101
R445
R444
C428
R510
C834
C461
C504
R821
C528
R713
R712
R816
R103
R502
R989
R703
R714
R995
C982
R725
IC402
R108
C128
C801
R903
Q101
R131
Q405
C721
R111
D423
R101
C907
R446
R432
R704
R930
C130
L702
C420
Q102
R994
C112
R501
C114
C111
C115
C981
C457
R508
Q732
R115
R102
R904
R434
C102
R920
C105
R440
C909
Q733
R980
D101
C524
C527
C773
C451
R127
R128
TU101
D151
L102
C152
SFR101
X151
C158
L151
JW705
CON702
JW708
C403
JW706
JW707
C440
JW702
R701
D510
C444
CON721
C525
JW713
IC501
C402
J101
C772
X901
C831
D821
JW710
C439
L101
C441
C771
C427
C108
C442
Q831
C417
JW709
D507
C404
C423
D841
R702
C113
D852
C702
C519
C445
R841
C701
C418
D851
C814
C116
C401
CON801
C723
THP801
CON701
JW704
D503
D505
D502
D508
D501
Q821
R941
D504
JW711
C446
C424
JW712
C811
D506
Q811
IC811
L801
JW714
JW703
C443
CON771
J401
L701
L721
D831
D801
C104
C510
C708
C915
R943
C426
L103
C916
D971
25
24
2
1
Ref. No.
Location
D101
C-1
D151
G-3
D421
G-7
D422
D-3
D423
D-6
D501
C-8
D502
C-5
D503
C-8
D504
C-5
D505
C-8
D506
C-5
D507
C-8
D508
C-5
D510
D-8
D701
I-4
D702
H-5
D703
H-6
D801
B-11
D813
E-10
D821
D-10
D822
E-9
D831
F-10
D832
G-6
D841
C-9
• Semiconductor Location
Ref. No.
Location
D851
C-10
D852
C-10
D904
G-4
D905
H-4
D906
H-4
D971
D-10
D972
D-9
D981
C-9
IC151
G-3
IC401
E-8
IC402
D-7
IC501
B-5
IC721
H-9
IC811
E-11
IC901
F-5
IC971
C-10
Q101
D-2
Q102
D-3
Q103
E-3
Q105
H-1
Q106
G-1
Q107
E-1
Ref. No.
Location
Q108
E-1
Q405
C-3
Q406
C-3
Q407
C-2
Q408
C-2
Q409
C-3
Q410
C-3
Q411
D-7
Q421
G-7
Q422
D-2
Q423
D-3
Q522
D-3
Q731
I-6
Q732
I-4
Q733
H-3
Q811
E-11
Q812
D-10
Q821
E-10
Q831
F-11
Q832
F-10
Q833
F-10
Q834
F-11
Q901
H-4
28
28
CDC-R937/X937
• Refer to page 22 for Waveform.
4-9. SCHEMATIC DIAGRAM — MAIN SECTION (1/2) — • Refer to page 34 for IC Block Diagrams.
Note:
• Voltage is dc with respect to
ground under no-signal conditions.
no mark : FM
(
no mark : FM
(
) : AM/MW/LW
<
> : CD PLAY
∗
: Impossible to measure
(Page 29)
IC B/D
IC B/D
IC B/D
IC B/D
R109
R424
R103
R111
R112
R403
R422
D822
R423
R425
TP1
TP2
L101
C101
C102
C103
C104
C105
C107
C108
C109
C110
C117
C116
C125
C126
R124
C112
C111
C115
C114
C438
C436
C435
C413
C415
C417
C402
C404
C428
R823
R831
C802
R812
C461
C526
C510
R106
R102
R115
R116
R107
C123
R122
R114
R427
R131
C409
C411
C407
R405
R407
R411
C405
R414
R410
C422
C420
C418
C416
R406 C414
R472
R402
R404
C410
C412
C408
C426
R435
R445
C445
R437
R433
R431
C446
R440
R438
R434
R449
D422
R429
R446
C440
R448
R436
R432
D423
R822
C813
C812
C822
C821
R821
C834
C832
R833
R832
D832
R834
R939
C972
R937
C981
R942
R943
R944
R841
R936
D972
D851
D852
C801
C521
C520
C525
C524
C519
C527
C522
R510
R462
R444
R443
R451
C457
C458
R501
R503
R502
R504
R505
R507
R506
R508
C501
C503
C502
C504
C508
C506
C507
C505
D501
D505
D503
D507
D502
D506
D504
D508
C511
C515
C513
C517
C512
C516
C514
C518
C831
THP801
R108
R123
R412
R408
TU101
R101
C129
R104
SFR101
D421
D101
C437
R426
R421
C406
R474
R473
C421
R471
C427
R418
R415
C423
R419
C429
R439
R819
L801
Q811
C442
C444
R413
R409
IC151
IC401
J101
R151
D151
C157
R152
C155
C156
X151
C154
C158
C153
C152
C151
IC402
C419
Q422
J401
IC501
Q821
Q831
R401
Q421
D841
Q101
L102
Q102
Q103
Q106
Q105
R132
R117
R125
R126
R133
R113
C401
C403
C443
C441
Q411
IC971
Q834
Q832
Q833
Q812
R811
Q423
Q408
Q405
Q406
Q409
Q410
Q407
L151
C119
C120
R118
Q108
Q107
R119
R120
C121
CON801
L103
R127
R128
Q522
C439
C451
C814
R941
D801
R105
C130
R110
R121
C118
C127
C128
C113
C424
D510
C509
R816
R814
R815
C811
D821
C528
D831
D971
F901
R523
D813
C982
D981
IC811
R836
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