Sony CFD-S550 Service Manual ▷ View online
CFD-S550
25
25
IC B/D
R843
R842
R842
R814
R821
R849
D801
R815
R838
R837
R831
R833
R830
R829
R828
R825
R827
R846
R847
R848
R862
R867
R866
R856
R813
R817
R868
R835
R832
R836
R844
R804
L801
L802
R860
R865
R823
R826
R834
R839
S801
Q111
Q205
Q204
Q112
CNP806
R864
R857
R818
R899
R898
R897
R896
R895
R894
R893
R892
R891
R890
R889
R888
R887
R886
R885
R884
R883
R882
R881
R880
R861
R879
R800
R858
R220
R120
R841
R871
R878
R404
R408
FB301
CNB801
CNB805
R851
R819
R219
R119
R126
R142
R321
R873
R874
R900
R855
IC804
R852
R853
R863
R876
KH803
R816
R824
R869
CNP808
C830
C832
C800
IC801
C116
C302
C124
C224
R820
R822
Q813
Q812
C811
C839
C803
C804
C805
C806
C807
C808
C809
C810
C812
C818
C815
C814
C814
C819
C813
C118
C218
JW121
JW221
JW221
C219
C119
C825
C821
C824
CNP803
CNP807
CNP804
R854
IC802
X801
C820
R845
C802
Q816
Q817
R122
R222
R242
R221
R226
R224
R124
C121
C221
C220
C120
R805
R877
R807
C831
R803
R802
R806
R859
R809
R870
Q406
Q804
Q806
Q819
Q808
Q801
Q815
Q814
C801
IC803
R121
C822
R808
R810
R811
R812
CNP302
M301
S301
CNP802
X802
JC318
JC317
JC315
JC316
D810
JC314
D802
JC302
JC304
R840
JC303
C816
JC306
D804
JC305
D807
R850
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-S550
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
R954
IC303
R955
R205
R206
R209
R216
R116
R360
R361
R322
R960
D957
CNP322
R332
R331
R106
Q953
R956
R957
D323
D324
KH301
KH321
D953
Q952
C101
C201
C328
C113
C213
C114
C203
C103
C204
C104
R104
C105
R105
Q122
C106
C205
Q124
Q224
Q958
Q951
CNP323
J321
C115
C214
C215
R113
R213
C321
R362
R363
C329
C222
C122
R114
R214
C343
C342
C341
C340
C327
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
C953
C951
C325
R951
R952
R964
R963
R962
R961
Q955
Q957
C350
C352
R304
R303
SP101
SP201
JC313
JC312
JC310
JC309
JC308
JC319
JC301
R953
D951
JC307
JC311
(Page 25)
(Page 32)
CFD-S550
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-S550
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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