Printed Wiring Boards - Main Section - Sony CFD-S250 Service Manual

CFD-S250
6-9. PRINTED WIRING BOARDS — MAIN SECTION — • Refer to page 17 for Circuit Boards Location and page 20 for Common Note on Printed Wiring Boards.
1 2 3
A
D323
C324
JW368
Q224 Q124
B
JC308
R324
R211
JW372
C108
C208
IC304
R110
JW373
C331
R210
R109 R108
JW3100
R209
C
R323
R107
C206
S801
D
JW377
C102
(Page 22) R101
E
Q942
R103
C353
R203 C338
IC301
R301
R202
Q941
C201
R201
F
C202
JW381
JW221
G
JW121
JW383
JW392
CNP806
D810
JW388
C118
H
R876
JW395
I
(Page 27)
J
4 5 6
C111
JW366
R112
C212
C211
C210
JW369
R212
R958
JW370
R959
Q959
R960
R208 R207
R206
C205
R104
CNP804
JW358
R205
JW311
D324
JW312
JW313
IC801
JW361
JW362
JW324
R322
R308
JW363
R306
JW325
C814
R305 JW339
C304
C821
C815
JW364
C822
R849
C820
JW365 R856
R850
C350
JW340
R332
C352 X802
JW341 R331
R836
JW342
R860
IC803 R845
JC314
R844
JW344
CNP802 D801
JW345
R805
JW346
CNP807
JW347
R877
JW348
JW349
JW350
JW351
(Page 29) (Page 29)
7 8 9
(Page 20)
C325
JW335
R853
JW304
Q815 R852
JW310
Q814 KH321 R963
JW314
JW309
R866
JW315
R957
Q953
JW316
R951
JW317
C812 R956
JW318
C806
Q952
R830
JW323 R829
R831
C803
JW319 R812
R848
C811 R900
R825
JW320
C804
R855 CNP302
JW321
R878
R811
R813
R869
Q812
R868 R820
R822
C816
R809
R823
C832
Q806
C830
R871 R803
Q804
R861
R840
R865
JW398
JC304
JW329
Q819
JW330
JW334
JW331
JC305
JW336
JW332
CNP803
JW333
JW337
FB301
JW338
(Page 29)
24 24
10 11 12
J321
CNP322
R116
JW407
(Page 31)
Q951
(Page 22)
D807
R834 S301
R826 M301
R814
R824
JC303
R816
R815
• Waveforms
1 2V/div 10µsec/div
4.19MHz
IC802 ug
13 14
SP302
SP301
• Semiconductor Location
Ref. No. Location Ref. No. Location
D322 D-2 Q222 C-3
D323 A-2 Q224 B-3
D324 C-5 Q801 G-8
D801 G-5 Q804 F-8
D802 F-9 Q806 F-9
D804 G-9 Q808 E-9
D807 F-10 Q812 E-9
D810 H-2 Q813 F-9
D951 D-9 Q814 D-7
D953 C-5 Q815 D-7
D957 B-6 Q819 G-8
Q941 E-2
IC301 E-3 Q942 E-2
IC304 B-3 Q951 D-9
IC801 D-6 Q952 D-9
IC802 F-7 Q953 D-9
IC803 F-5 Q955 B-4
IC804 E-5 Q957 B-6
Q958 B-5
Q122 C-3 Q959 B-5
Q124 B-3
2 2V/div 10µsec/div
3.2Vp-p 3.5Vp-p
32.768kHz
(X2) IC802 ua (XT2)