Read Sony ICF-CD815 Service Manual online
ICF-CD815
19
19
ICF-CD815
6-4. SCHEMATIC DIAGRAM – MAIN Section (2/2) –
•
See page 22 for Waveforms.
•
See page 22 for IC Block Diagrams.
R201
R301
R205
R206
R208
R101
R105
R106
C103
R108
R209
R109
R210
C208
C109
Q303
R310
R311
R313
R312
R314
R316
R128
R228
C865
R118
C127
R129
R130
R133
C227
R229
R233
R230
R131
R234
R303
R304
R220
R120
R121
R221
C304
R222
R123
R223
R124
R224
R132
R232
C915
C914
C913
R914
R911
R912
C911
C909
Q902
R904
R903
R902
R901
C116
C308
C906 C311
R226
C216
C117
C217
Q301
C118
R227
R127
L901
L902
CN301
R710
R714
R713
R705
R708
R706
R707
R757
R751
R754
R755
R760
R761
R712
C704
R703
R702
R704
C701
R701
R716
R727
R728
R718
R717
R720
R722
R724
C718
C716
C201
D301
C301
C205
C101
C105
C206
Q304
Q305
Q306
Q307
C126
C226
D302
C303
C114
D910
D909
C912
D907
D908
C910
C908
C905
C119
C219
CN302
SP201
SP101
C901
C902
C903
C904
D904
D903
D902
D901
CN902
S801
C714
C713
C712
C710
C707
C720
C703
C705
CN701
C702
C719
C717
CN751
R726
C202
R302
C203
C102
R211
Q201
Q101
C108
R110
R111
R114
C106
Q102
R214
C120
R218
C123
C124
R225
C215
C115
JC301
Q204
Q104
C212
C112
Q103
Q203
Q904
D906
C715
JC701
R709
R759
JC751
IC751
JC702
JC703
IC701
L702
Q701
M751
M752
R752
C708
C709
L903
L904
JW901
C916
R307
C305
R122
R865
R125
C753
C752
C751
Q903
R910
C907
R905
Q901
R126
R908
R909
CN901
C306
IC301
C214
R231
R134
R115
Q202
C122
T901
RV301
D303
C302
Q302
C218
C307
Q804
1k
1k
10k
4.7k
100k
1k
10k
4.7k
0.1
100k
1k
1k
10k
4700p
1000p
RT1P141C
22k
10k
10k
22k
10k
0
100k
100k
0.01
4.7k
220p
0
22k
100k
220p
0
100k
22k
47k
220k
470
100k
470
470
100k
100k
4700p
220k
4.7k
4.7k
2.2k
2.2k
0
0
470
10V
10V
0.01
220
10V
10V
47
1k
470
470
10V
10V
470
10V
10V
2SA1235A
10k
2.2k
2.2k
1k
47
10V
47
10V
2200
16V
470
16V
16V
100
47
10V
100
10V
10V
100
10V
10V
RT1N141C
470
10V
10V
2.2
2.2
4P
220
4.7k
2.2k
10k
22k
1k
2.2k
1k
1k
1k
0
1k
0
10k
47
10V
220k
100k
0
100
10V
10V
10
100
470k
100k
100k
470k
47k
47k
47k
47
10V
47
10V
0.47
50V
1SS119
47
10V
1
50V
0.47
50V
1
50V
2.2
50V
50V
2SC3052
2SC3052
RT1N430C
RT1N430C
0.47
50V
0.47
50V
1SS119
22
25V
1
50V
1SS119
UDZSTE-173.9B
0.01
1N4002B
1SS119
0.01
0.01
0.01
0.22
0.22
4P
0.01
0.01
0.01
0.01
1N4002B
1N4002B
1N4002B
1N4002B
4P
0.1
0.1
0
0.047
0.01
0.01
0.01
0
16P
1000p
0.01
0.01
6P
47k
2200p
100
0.1
2200p
2.2k
2SC3052
2SC3052
4700p
10k
2.2k
0
2.2
50V
50V
2SC3052
0
0.47
4.7k
4700p
2200p
2.2k
2200p
2200p
0
2SC3052
2SC3052
1000p
1000p
2SC3052
2SC3052
KTC3205-Y-AT
UDZSTE-176.8B
2p
0
220k
0
0
BA5826FP
0
0
TA2157FNG
KTA1271Y-AT
0
100p
22p
100p
2.2k
4700p
220k
0
2.2k
220
10V
10V
0.01
0.01
2SD2394F
47
0.01
10k
2SC3052
100
470
470
4P
0.01
UTC8227 S
1
50V
47k
220k
100k
2SC3052
0.022
20k/20k
1SS119
4.7
50V
50V
RT1P441C
470
10V
10V
470
16V
16V
RT1P141C
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
A25
A6
A5
A4
A3
A21
A22
A23
A24
A1
A2
DMO
FMO
SEL
TEBC
RFGC
RFI
RFRP
FEI
SBAD
TEZI
LIMIT SW
DRV MUTE
A MUTE
A MUTE
LO
LO
RFI
RFGC
RFRP
VREF
FEI
F-
F+
FMO
BUZZER
BUZZER
RADIO ON
RADIO ON
SL+
SL-
VREF
DRV MUTE
DMO
TEBC
SEL
T-
T+
SP+
SP-
MD1
TN1
TP1
FP1
FN1
F-
T-
T+
F+
MD1
TN1
TP1
FN1
FP1
LIMIT SW
LIMIT SW
SL-
SL+
LIMIT SW
SBAD
TEZI
TRO
FOO
FOO
TRO
COM1
COM2
COM1
COM2
SP-
SP+
VREF
LIN+
LIN-
RIPPLE
STRAP2
LOUT
VCC
STBY
ROUT
STRAP1
RIN-
RIN+
POWER
GND
GND
POWER
F-
T-
T+
F+
PD
VR
LO
GND
F
C
B
A
D
E
VCC
VREF
VCC3
SEL
TEBC
TEN
TEO
RFDC
GND
RFN
RFO
AGCI
REGC
REGO
RFIS
RFRP
FEN
VRO
FNI
FPI
TPI
TNI
MDI
GND
SL-
SL+
SLIN
(SLIN)
VREF
VCC
VCC
(FIN)
FIN
F+
F-
NC
DPIN
SP-
SP+
SPIN
RST
REDO
MUTE
GND
TIN
(TIN)
T+
T-
GND
DPOUT
(2/2)
LINE AMP
(FOR CD)
(FOR CD)
LINE AMP
LINE AMP
(FOR TUNER)
(FOR TUNER)
LINE AMP
-1
-2
AM
FM
-1
-2
BAND
MUTING
Q301,302
STANDBY SWITCH
(R-CH)
(L-CH)
POWER AMP
MUTING
LINE AMP
(FOR AUDIO IN)
(FOR AUDIO IN)
LINE AMP
Q303-305
MUTING CONTROL SWITCH
MUTING
MUTING
Q901-903
GVSW
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
DIGITAL SERVO HEAD AMP
AUTOMATIC
POWER CONTROL
(SLED)
(SPINDLE)
(AC IN)
1
3
POWER
TRANSFORMER
VOLUME
PRE GND
+3.3V REGULATOR
+6V REGULATOR
LDO
FEO
REGB
TUNER B+ SWITCH
47
µH
47
µH
TP706 (RF)
TP702 (VREF)
S751
(LIMIT)
1
6
L201
L101
FB301
J301
AUDIO IN
2.2
µH
2.2
µH
1
(Page 17)
(Page 17)
(Page 18)
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