Sony CFD-S250L Service Manual ▷ View online
CFD-S250L
25
25
IC B/D
R843
R842
R
814
R821
R
850
R849
D
80
1
R815
R838
R837
R
831
R833
R
830
R
829
R
828
R
825
R827
R846
R8
47
R
848
R862
R867
R
866
R856
R
813
R
817
R
868
R835
R832
R836
R844
R
804
L801
L802
R860
R865
R
823
R
826
R834
R839
S801
Q111
Q205
Q204
Q112
CNP806
R
818
R
899
R
898
R8
97
R
896
R
895
R
894
R
893
R
892
R
891
R
890
R
889
R
888
R
887
R
886
R885
R884
R883
R882
R881
R880
R861
R879
R800
R220
R120
R841
R871
R
878
R404
R408
FB301
CNB801
CNB805
R851
R819
R219
R119
R
126
R142
R321
R873
R874
R900
IC804
R852
R853
R876
KH803
R816
R
824
R872
R869
CNP808
C830
C832
C800
C816
C116
C302
C124
C224
Q813
Q812
C811
C839
C
803
C
804
C
805
C
806
C807
C
808
C
809
C
810
C8
12
C8
18
C815
C814
C819
C
813
C118
C218
C219
C119
C825
C821
C824
CNP803
CNP807
CNP804
R854
X801
C820
R845
C802
Q816
Q817
R122
R222
R242
R221
R226
R224
R124
C121
C221
C220
C120
R805
R
877
R807
C831
R803
R802
R806
R859
R809
Q406
Q804
Q806
Q819
Q808
Q801
Q815
Q814
C801
IC803
R121
C822
R808
R810
R811
R812
CNP302
M301
S301
X802
D810
IC801
D802
R820
R822
D807
D804
JC318
JC317
JC315
JC316
JC319
JC304
JC302
JC306
JC303
JC305
CNP802
R855
R840
IC802
6-10. SCHEMATIC DIAGRAM — MAIN SECTION (1/2) — • Refer to page 20 for Common Note on Schematic Diagrams, page 24 for Waveforms and page 35 for IC Block Diagrams.
• Voltage and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
(
no mark : FM
(
) : PB
<
> : REC
[
] : CD PLAY
(Page 30)
(Page 28)
(Page 30)
(Page 26)
(Page 30)
(Page 30)
(Page 23)
(Page 21)
(Page 23)
CFD-S250L
26
26
IC B/D
R954
R955
R205
R209
R216
R116
R322
R960
D957
CNP322
Q953
D323
D324
KH301
KH321
D953
Q952
C101
C201
C204
R104
R105
Q122
C106
Q124
Q224
Q958
Q951
CNP323
J321
R109
R110
R210
R211
C208
C108
C206
R108
R107
Q222
C207
C107
R208
R207
D322
R204
C331
C209
C109
C322
R111
C110
C112
R112
R212
C210
C111
C211
C212
IC304
R323
C323
R324
C324
R215
R115
R326
R325
C326
C960
R959
R958
Q959
R333 C959
C957
C952
C951
C325
R951
R964
R963
R962
R961
Q955
Q957
C350
C352
SP101
SP201
C105
R106
R206
C205
R953
R952
D951
C953
JC309
JC308
JC301
JC307
R304
JC310
JC311
Q942
Q941
R301
IC301
C330
C217
C117
R305
R306
R308
R307
C104
R303
R103
R101
R102
R202
R201
R203
C202
C102
C353
C304
R331
R332
C338
R957
R956
6-11. SCHEMATIC DIAGRAM — MAIN SECTION (2/2) — • Refer to page 20 for Common Note on Schematic Diagrams and page 35 for IC Block Diagrams.
• Voltage is dc with respect to ground under no-signal
(detuned) condition.
no mark : FM
(
no mark : FM
(
) : PB
<
> : REC
[
] : CD PLAY
(Page 25)
(Page 32)
CFD-S250L
27
27
6-12. PRINTED WIRING BOARD — TC SECTION — • Refer to page 17 for Circuit Boards Location and page 20 for Common Note on Printed Wiring Boards.
1
A
B
C
D
E
F
G
2
3
4
5
6
7
1-688-389-
(11)
11
C103
R210
R206
R201
R301
R-CH
HRP301
RECORD/PLAYBACK
HEAD
L-CH
YEL
RED
WHT
BLK
BLK
(CHASSIS)
R104
R103
R202
R203
R204
C104
C203
C204
C201
C205
C105
R305
R311
R101
C101
C308
JC304
R310
C310
R102
C107
C207
R307
C307
R306
C305
R308
C306
R303
JC301
R211
R205
JC303
R309
R304
JC302
R111
R105
R106
R302
R110
JC305
JC306
JC307
JC308
Q301
Q302
Q303
JC309
R112
R212
R314
R315
IC301
CN303
T301
C102
C302
C202
C301
C304
C303
S301
S301
(REC/PB)
REC
PB
-1
-2
(Page 24)
CFD-S250L
28
28
IC B/D
R301
C301
R110
R101
C302
C205
R201
R210
R106
R206
R302
R303
R304
R309
C303
C304
R306
R111
R211
R203
R202
R103
R102
R308
C105
C103
C203
C306
C107
C207
C305
T301
C102
R104
R112
C104
R212
R204
C202
C201
C204
IC301
JC302
JC306
JC308
JC305
JC307
JC301
JC303
JC304
R314
R315
C310
C308
R311
R310
Q301
R307
C307
R305
Q303
Q302
JC309
CN303
C101
R105
R205
HRP301
HE301
S301
• Voltage and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
(
no mark : FM
(
) : PB
<
> : REC
[
] : CD PLAY
6-13. SCHEMATIC DIAGRAM — TC SECTION — • Refer to page 20 for Common Note on Schematic Diagrams and page 35 for IC Block Diagrams.
(Page 25)
• Waveforms
4Vp-p
1
Q301
C
(REC)
0.1V/div 5µsec/div
19.5µsec
2
T301, HRP301 (YEL)
10V/div 5µsec/div
36Vp-p
19.5µsec
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