Sony CFD-S300L Service Manual ▷ View online
CFD-S300L
25
25
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
IC B/D
S801
Q812
R321
Q817
Q816
R124
R828
R842
R843
R848
R868
R871
R879
R242
R825
R827
R829
R830
R831
R833
R837
R846
R847
R900
R408
R813
R814
R815
R817
R821
R824
R839
R841
R856
R862
R866
R867
R878
R818
R823
R826
R834
R844
R855
R880
R881
R882
R883
R884
R885
R886
R887
R888
R889
R890
R891
R892
R893
R894
R895
R896
R897
R898
R899
R838
R126
R148
R226
R836
R854
R865
R120
R121
R220
R221
R404
R808
R810
R812
R852
R853
R811
R872
R364
TP801
TP802
TP803
TP804
TP805
TP806
TP807
TP807
R819
R816
C220
CNP806
CNP804
CNB801
CNB805
KH803
CNP802
Q205
Q204
R861
R857
R224
R801
R800
D810
R820
R822
C120
C316
Q105
Q104
L802
L801
IC802
D807
D802
D804
IC804
R341
R342
R343
R344
R863
CNP808
C128
C228
C830
C224
C124
C816
C832
C811
C812
C818
C819
C813
C803
C804
C805
C806
C807
C808
C809
C810
C839
C815
C814
C118
C218
CNP803
X801
X802
C820
C822
R845
C821
R849
R850
R860
C824
IC803
R832
R835
C800
C801
C802
R804
R840
R874
C312
C219
C119
R142
R222
R122
R805
C221
C121
R876
R877
R809
R803
R802
C831
R807
R859
Q813
R869
C825
D801
R873
R851
R248
Q406
Q804
Q806
Q819
Q801
R806
Q808
Q815
Q814
S301
CNP302
M301
IC801
(Page 30)
(Page 28)
(Page 30)
(Page 26)
(Page 30)
(Page 21)
(Page 23)
(Page 23)
CFD-S300L
26
26
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
IC B/D
Q955
R954
R952
R951
Q222
R239
KH321
R955
Q951
R963
R964
R
961
R962
Q959
R335
R338
R337
R960
R956
R957
R146
R246
Q952
R241
R953
R141
D323
D957
R131
R231
R229
R1
29
D953
CNP323
TP301
D324
Q958
Q957
Q
953
Q224
Q124
IC302
KH301
CNP322
R332
R331
C206
C951
C208
C108
C350
C352
C960
R333
R325
R326
C957
C959
R958
R959
R132
Q113
C114
R133
R232
Q213
C214
R233
R328
C338
C213
C326
C217
C117
C330
C353
R334
R329
R139
C115
C332
D322
C215
R235
C331
R237
R238
R234
C225
C227
C127
C125
C106
Q122
R138
R140
R240
R137
R135
R134
C323
R323
R145
R245
C324
R324
C111
C112
C110
C210
C212
C211
R243
R143
C209
C109
C322
D951
C325
J321
SP101
SP201
R327
C311
R336
C952
C953
C113
R236
C129
C229
R136
IC304
(Page 25)
(Page 32)
CFD-S300L
27
27
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
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.
(Page 24)
: Uses unleaded solder.
CFD-S300L
28
28
IC B/D
R301
C301
R110
HRP301
HE301
S301
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
C207
C305
T301
C102
R104
R112
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
R105
R205
C107
C104
C101
• 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
40Vp-p
19.5µsec
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