Printed Wiring Boards - Main Section - Sony CFD-S250L Service Manual

CFD-S250L
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
B
Q224
Q124
JC308
R324
R211
JW372
C108
C208
R110
JW373
R109 R210
C331
JW3100
C
R209
R323
S801
D
C102
E
(Page 22) R101
Q942
R103
R203 C338
IC301
R301
R202
Q941
C201
F
R201
C202
R226
JW381
R242
JC315
G
JC316
Q817
JW121
JW383
JW392
D810 CNP806
JW388
H
I
(Page 27)
4 5 6
JW366
R112
C212
C211
C111
C210
JW368
JW369
R212
R958
JW370
R959
IC304
Q959
R960
R208 R207
R206
R108
C205
R104
R107
JW358
C206
R205
D324
JW312
JW313
IC801 JW315
JW361
JW362
JC311 JW324
R322
R308
JW363
R306
JW377
C814
C304
R305 JW339
C821
R849 C815
JW364
C822
C353
C820
JW365 R856
R850
JW340
C350
R332
X802
C352
R331
JW341
R836
JW342
R124
Q112 R860
IC803 R845
R844
R122
Q204
JW344
R142
R222 CNP802
D801
Q205
Q111
C120 JW345
R119
R805
JW346
R219 CNP807
JC318 JW347
R877
JW348
JW349
JW350
C118
JW351
R876
JW395
(Page 29) (Page 29)
7 8 9
(Page 20)
C957
CNP804
C325
JW335
R853
JW311
R852
JW304
Q815
JW310
KH321 R963
Q814
JW314
JW309
R866
R808
Q953
R951
JW316
JW317
C812
JW318
C806
Q952
R830
JW323 R829
R831
C803
JW319 R812
R848
R825 C811
JW325 JW320
C804
R855 R900
JW321
R878
CNP302
R811
R813
R869
Q812
R868
C816
R809
C832
Q806
C830
R871 R803
Q804
R861
R840
R865
JC304
JW329
Q819
JW330
JW334
JW331
JC305
JW336
JW332
CNP808
CNP803
JW333
JW337
FB301
JW338
(Page 29) (Page 29)
24 24
10 11 12
CNP322
R116
(Page 31)
Q951
R957
(Page 22)
R956
R820
D807
R822
R834 S301
M301
R826
R823
R814
R824
JC303
R816
R815
JW398
R404
Q406
• Waveforms
1 2V/div 10µsec/div
4.19MHz
IC802 ug
13 14
J321
SP201
SP101
JW407
• Semiconductor Location
Ref. No. Location Ref. No. Location
D322 D-2 Q205 G-4
D323 B-2 Q222 C-4
D324 D-5 Q224 B-3
D801 G-5 Q406 H-10
D802 G-9 Q801 G-8
D804 G-10 Q804 F-9
D807 F-10 Q806 F-9
D810 H-2 Q808 E-9
D951 D-10 Q812 F-9
Q813 F-9
D953 C-6
D957 B-7 Q814 D-8
Q815 D-7
IC301 E-3 Q816 G-2
IC304 C-3 Q817 G-2
IC801 D-6 Q819 G-9
IC802 F-7 Q941 F-2
IC803 F-5 Q942 E-2
IC804 E-5 Q951 D-10
Q952 E-9
Q111 G-4 Q953 D-9
Q955 B-5
Q112 F-4
Q122 C-3 Q957 B-6
Q124 B-3 Q958 B-5
Q204 F-4 Q959 B-6
2 2V/div 10µsec/div
3.2Vp-p 3.5Vp-p
32.768kHz
(X2) IC802 ua (XT2)