Sony ICF-CD815 Service Manual ▷ View online
ICF-CD815
17
17
ICF-CD815
6-2. SCHEMATIC DIAGRAM – TUNER Section –
•
See page 22 for IC Block Diagrams.
C19
C7
R2
R1
R3
C6
CF1
CF2
C10
C9
R6
R7
R5
C25
R10
C24
L7
C18
C8
CV1-4
CT4
C17
C22
CT3
C14
CV1-3
CV1-2
CT2
C12
C13
CV1-1
CT1
C11
C4
C21
L1
L2
L3
C15
C16
R9
R14
IC1
C2
L4
T1
CF3
1000p
0.01
470
1k
47k
4.7
50V
0.022
4p
1k
1k
0
470p
100k
4700p
0.01
1000p
8p
10p
470
10V
1
7p
10p
100k
4.7k
TA2132BPG
100p
4p
4p
3p
2p
SHIELD
AGC
VCC
GND
BAND
AFC
QUAD
FM RF
FM OSC
AM OSC
TUNING
FM FRONT-END,
FM/AM IF
AM IFT
AM FERRITE-ROD ANTENNA
CV1
FM OSC
AM OSC
AM
RF IN
FM
RF OUT
DET OUT
FM-RF
IN
RF GND
MIX OUT
FM
IF IN AM
IF IN
1
4
10
µH
TP1
TP2
(Page 19)
(Page 19)
ICF-CD815
18
18
ICF-CD815
R441
R442
R443
R444
R433
R432
R431
R430
R426
L402
R401
R402
R404
R406
R407
R408
R409
R410
S401
S402
S403
S404
R413
R415
R417
R418
R419
R420
R421
R439
R437
R428
S405
S406
S407
S408
S414
R423
R412
S413
S410
CN401
L401
S409
S411
47k
100k
100k
100k
100k
100k
100k
47k
0
0
0
10k
47k
100k
100k
100k
100k
0
10k
47k
100k
100k
100k
100k
10k
0
10k
470k
0
6P
BUZZER
RADIO
CD
OFF
SLEEP
SLEEP OUT
SNOOZE/
TRACK
CLOCK SET
AUDIO IN
CD
OFF
ALARM RESET
RADIO ON
TIME SET +
CD LID
OPEN/CLOSE
DETECT
- TIME SET
1
5
1
3
3
1
(ALARM MODE)
S412
BUZZER
RADIO
CD
OFF
(ALARM MODE)
1
2
1
2
A
B
100
µH
1
µH
R852
R853
R854
R855
R857
R858
R859
R860
R861
R862
R863
R864
R856
C852
C864
C853
C854
C855
C856
C857
C858
C859
C860
C861
C862
C863
C851
C850
C870
R845
C878
C875
R846 R898
L809
IC802
C885
C843
C844
L808
C839
C840
R842
C833
C834
C835
C836
R840
R839
R829
R831
R833
R834
C819
C820
R832
R830
C818
C871
R893
C830
C829
C838
C837
C873
C826
C822
C821
C825
C823
C824
C831
C832
R892
R896
C828
R801
R802
R803
C801
C802
R897
C803
C808
C809
R812
R815
R818
R819
R820
R821
C810
C811
C812
C813
C814
C815
L801
R805
R807
R809
R811
R817
C884
C816
R822
R827
C817
R825
R826
C807
C806
R814
C869
R890
C868
R889
D801
D808
D802
C883
R887
C881
C879
D806
D804
D803
R899
R900
D805
R888
L807
C882
R848
C805
C804
R882
L804
R866
R869
R870
R871
R872
R873
R874
R875
R876
R877
R878
R879
R816
C848
C847
Q822
X802
C886
C845
L802
CN802
CN801
JC803
JC801
X801
R838
R835
R894
C872
C874
R813
C877
IC801
R843
R844
Q803
Q801
R823
R880
LED801
R849
R850
Q805
Q807
Q814
Q817
Q818
Q819
Q816
Q815
Q811
Q812
Q813
Q810
Q809
Q808
Q820
R886 C880
C876
R828
C827
Q821
L803
S802
2.2k
2.2k
2.2k
2.2k
2.2k
2.2k
2.2k
2.2k
2.2k
2.2k
2.2k
2.2k
470
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
10p
10p
0.01
0
0.47
0.47
100k
0
S-80820CNMC
0.01
0.01
47 10V
0.01
100
10V
0
470p
470p
0.047
0.047
0
0
10k
470k
47k
22k
0.01
4700p
470k
47k
47p
0.1
10k
0.022
0.01
0.047
0.047
4700p
0.01
2200p
0.01
47
10V
470p
0.01
0.022
0.01
2.2k
1k
0.01
2.2k
2.2k
1k
0.01
0.01
1k
0.01
0.01
470 10V
1k
1k
470
4.7k
1k
1k
0.01
0.01
0.01
100p
0.01
0.01
100k
100k
100k
100k
220k
0.01
1000p
4.7k
22k
2200p
22k
100k
0.01
0.01
220k
0.01
10k
0.01
10k
1N4002B
1N4002B
D807 1N4002B
1N4002B
470
10V
10V
47k
0.1
22
25V
1SS119
1SS119
1SS119
470
100
UDZSTE-173.9B
470
4.7
50V
50V
22
0.01
0.01
220
220
220
220
220
220
220
220
220
220
220
220
220
10k
470
10V
10V
0.01
2SC3052
75kHz
0.01
22 25V
17P
17P
0
0
16.9344MHz
2.2k
10k
2.2M
1000p
220
10V
10V
10k
0.01
TC94A58FG-113
(S,D)
220
47k
KTA1271Y-AT
2SC3052
10k
220
470
220
R891
47
RT1P136C
RT1P136C
RT1P136C
RT1P136C
RT1P136C
RT1P136C
RT1P136C
RT1P136C
RT1P136C
RT1P136C
RT1P136C
RT1P136C
RT1P136C
RT1P136C
KTA1271Y-AT
100 1000p
0.01
10k
220 10V
2SA1235A
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
A21
A22
A23
A24
A25
RFI
RFRP
FEI
S
BAD
TEZI
TEZI
SBAD
FEI
RFRP
RFI
SEG3
SEG1
LIMIT SW
DRV MUTE
RADIO ON
SEG4
SEG5
SEG6
SEG7
SEG8
SEG
9
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
SEG1
SEG1
SEG3
SEG3
SEG4
SEG4
SEG5
SEG6
SEG5
SEG6
SEG7
SEG8
SEG9
SEG7
SEG8
SEG9
SEG10
SEG11
SEG12
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
SEG13
SEG14
SEG15
SEG15
SEG14
SEG13
SEG12
SEG11
SEG10
SEG9
SEG8
SEG7
SEG6
SEG5
SEG4
SEG3
SEG1
BUZZER
LIMIT SW
DRV MUTE
BUZZER
RADIO ON
SEG3
SEG2
SEG1
RADIO ON
CD ON
ALARM A
ALARM B
CD OPEN DET
LIMIT SW
DRV MUTE
BUZZER/GVSW
50/60Hz
AC IN
AC IN
T
M
A
X
L
P
F
N
L
P
F
O
V
C
O
F
A
V
S
S
S
L
C
O
R
F
I
A
V
D
D
V
R
E
F
R
E
Z
I
R
F
R
P
F
E
I
S
B
A
D
T
E
I
T
E
Z
I
DVR
DVSS
RO
DVDD
CVSS
XI
XO
CVDD
SEL
TEBC
RFGC
S
E
G
4
S
E
G
5
S
E
G
6
S
E
G
7
S
E
G
8
S
E
G
9
S
E
G
1
0
S
E
G
1
1
S
E
G
1
2
S
E
G
1
3
S
E
G
1
4
S
E
G
1
5
R
ES
E
T
A
M
U
T
E
OUT
VDD
VSS
NC
NC
S
E
G
1
S
E
G
2
S
E
G
3
S
E
G
4
S
E
G
5
S
E
G
6
S
E
G
7
S
E
G
8
S
E
G
9
S
E
G
1
0
S
E
G
1
1
S
E
G
1
2
S
E
G
1
3
S
E
G
1
4
S
E
G
1
5
C
O
M
1
C
O
M
2
(1/2)
DMO
FMO
FOO
TRO
LO
MVDD
MVSS
Q820,822
Q805-819
RESET SIGNAL GENERATOR
CD B+ SWITCH
LOW-PASS FILTER
AC DETECT
LED INDICATOR
ELEMENT
BRIGHTNESS
L
M
H
LED DRIVE
M
X
I
M
X
O
SYSTEM CONTROLLER,DSP
P
D
O
BRIGHTNESS CONTROL
1
5
1
6
KEY1
KEY2
10
µH
10
µH
100
µH
470
µH
10
µH
22
µH
22
µH
6-3. SCHEMATIC DIAGRAM – MAIN Section (1/2) –
•
See page 22 for Waveforms.
•
See page 24 for IC Pin Function Description.
(Page
19)
19)
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)
ICF-CD815
20
20
ICF-CD815
FB301
L101
L201
JACK BOARD
1-868-655-
(12)
12
1
3
C306
Q301
BC
E
EC
B
Q302
R126
R132
C115
C215
R125
R124
R232
R122
R222
R225
R226
R224
R123
R223
R218
R118
JC301
C123
C124
C122
C108
C120
R115
C109
R865
R211
R210
R209
R109
R114
R214
R316
R314
R311
R310
JC751
R759
R751
R752
R760
R754
R303
R220
R761
R755
R757
R312
R313
R302
C208
R221
C212
R121
R304
R120
C112
C304
R227
R127
C305
C219
C119
C903
C905
C904
C902
C901
R903
R908
R909
R902
R905
R910
R901
R904
C907
R307
R111
R110
R128
R133
R130
R134
R129
C127
C227
R131
R229
R233
R230
R231
R234
R228
R208
C103
R108
R106
R105
C102
R101
R206
R205
C203
C202
R201
R301
C856
C886
C876
R898
R845
R856
C878
C875
R846
R882
R880
R879
R878
R852
R853
R854
R855
R857
R858
R859
R860
R861
R862
R863
R864
R801
C801
C802
C803
C864
C863
C862
C861
C860
C859
C858
C857
C855
C854
C853
C852
R802
R803
R877
R876
R875
R874
R873
R872
R871
R897
C808
R870
R869
R866
C804
C806
C807
C805
C877
R807
R805
R809
R811
R818
R815
R816
R843
R823
R826
R817
R812
R821
R820
R819
R813
R814
C810
C811
C812
C813
C814
C815
C816
C872
C817
R825
R828
R829
R831
R830
R822
R827
R833
R834
C821
C819
C820
C871
C818
R832
R893
C828
C832
C829
C830
R835
R844
R888
R886
R887
R900
R899
R889
R892
C873
C831
C824
C835
C837
C838
C884
JC803
C850
C851
C870
C885
C836
C714
C715
C713
C712
R709
R708
C720
JC703
JC702
C702
R701
C705
C703
C719
C717
C880
C868
R890
C869
C881
C847
C751
C708
C709
C710
C707
C843
R842
C839
C834
C833
C823
C822
C826
R894
R838
R839
R840
JC801
R705
JC701
R704
R703
R702
R720
R724
R722
R717
R716
R727
R728
R718
R726
R712
R706
R707
R714
R713
R710
R896
R912
R914
R911
C912
C914
C865
C752
C910
C908
D909
A
K
D805
A
K
D906
A
K
R849
R850
R848
Q804
BC
E
Q902
BC
E
EC
B
Q901
Q822
BC
E
EC
B
Q821
EC
B
Q801
EC
B
Q805
EC
B
Q807
EC
B
Q808
EC
B
Q809
EC
B
Q810
EC
B
Q811
EC
B
Q812
EC
B
Q813
EC
B
Q814
EC
B
Q815
EC
B
Q816
EC
B
Q817
EC
B
Q818
EC
B
Q819
EC
B
Q103
EC
B
Q305
EC
B
Q304
EC
B
Q306
EC
B
Q303
EC
B
Q307
Q202
BC
E
Q102
BC
E
Q104
BC
E
Q204
BC
E
Q201
BC
E
Q101
BC
E
Q203
BC
E
C909
+
C911
+
C915
+
C882
+
C883
+
C848
+
C879
+
C825
+
C827
+
C913
+
C809
+
C874
+
C101
+
C201
+
C840
+
C105
+
C301
+
C302
+
C701
+
C716
+
C753
+
C718
+
C126
+
C226
+
C106
+
C206
+
C114
+
C214
+
C116
+
C308
+
C216
+
C217
+
C117
+
C303
+
C205
+
C218
+
C118
+
C311
+
C307
+
C906
+
D903
D904
D902
D901
CN902
1
4
CN302
1
4
JW303
JW302
R891
JW305
JW304
JW306
JW307
JW310
JW311
JW309
JW308
JW328
JW361
JW362
JW371
JW370
JW329
JW330
JW327
JW326
JW325
JW322
JW331
JW321
JW323
JW324
JW320
JW316
JW317
JW319
JW318
Q701
JW345
JW359
JW360
JW342
JW343
JW336
JW337
JW347
JW352
JW351
JW353
JW354
JW355
JW357
JW338
JW348
JW349
JW350
JW312
JW332
JW313
JW334
JW335
JW339
JW315
JW344
JW358
JW346
JW356
JW340
JW341
JW314
JW333
Q803
Q820
Q904
D908
D907
D910
CN801
1
2
17
16
5
1
6
1
D803 D804
D806
D801
D802
D808
D807
L807
L802
L801
L809
L808
L804
L803
JW365
JW366
JW364
JW363
JW368
JW369
JW367
IC802
C845
+
C844
+
C704
+
D301
X801
12
1
13
24
IC701
L702
CN701
1
2
15
16
1
4
CN301
S801
1
5
CN751
2
6
Q903
14
1
15
28
7
22
8
21
IC751
1
6
12
7
IC301
D303 D302
X802
S802
1
64
16
17
32
33
48
49
IC801
MAIN BOARD
1-868-645-
(12)
12
1
3
KEY
BOARD
CN401
F
ALARM (A)
BOARD
E
MOTOR
BOARD
D
TRANS BOARD
CN901
C
J301
AUDIO IN
A
B
C
D
E
F
G
H
I
J
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
BAND
BRIGHTNESS
L
r
r
M
r
H
1
4
3
2
SP201
(R-CH)
SP101
(L-CH)
(L-CH)
1
4
3
2
-2
-1
VOLUME
w
RV301
AM t FM
-2
-1
OPTICAL
PICK-UP
PICK-UP
BLOCK
(KSM-213CDP)
1
3
5
4
CN802
LED801
LED
INDICATOR
ELEMENT
TP706
(RF)
TP702
(VREF)
TUNER BOARD
A
6-5. PRINTED WIRING BOARDS – MAIN Section –
(Page 21)
(Page 21)
(Page 16)
(Page 21)
(Page 21)
Ref. No. Location
Ref. No. Location
D301
H-12
D302
H-3
D303
H-3
D801
B-10
D802
A-10
D803
B-10
D804
B-10
D805
C-9
D806
C-9
D901
E-2
D902
E-2
D903
D-2
D904
E-2
D906
C-4
D907
C-6
D908
C-6
D909
B-6
•
Semiconductor Location
Ref. No. Location
Ref. No. Location
D910
C-7
IC301
G-3
IC701
G-10
IC751
E-6
IC801
D-13
IC802
G-14
Q101
I-10
Q102
H-7
Q103
G-5
Q104
J-7
Q201
I-10
Q202
H-7
Q203
G-5
Q204
I-8
Q301
F-2
Q302
F-2
Q303
G-7
Q304
G-7
Q305
G-7
Q306
G-7
Q307
G-7
Q701
G-9
Q801
C-12
Q803
D-9
Q804
D-6
Q805
C-15
Q807
C-15
Q808
D-15
Q809
D-15
Q810
D-15
Q811
E-15
Q812
E-15
Q813
E-15
Q814
F-15
Q815
F-15
Q816
F-15
Q817
G-15
Q818
G-15
Q819
G-15
Q820
B-9
Q821
C-11
Q822
B-9
Q901
C-4
Q902
C-4
Q903
C-5
Q904
C-7
•
See page 15 for Circuit Boards Location.
:Uses unleaded solder.
Click on the first or last page to see other ICF-CD815 service manuals if exist.