Sony ICF-CD853 / ICF-CD853L Service Manual ▷ View online
ICF-CD853/CD853L
17
17
JC703
C736
C707
C706
C738
C739
C732
C751
C733
C750
C743
C742
C708
C734
TP
C701
TP
R711
R708
R710
C703
R709
C704
C731
Q701
R707
IC701
R712
R706
R705
R704
R703
R702
R701
CNP701
C702
R724
C747
C730
C744
C729
C728
R725
R726
R728
R727
R729
R730
C746
C745
R731
C717
JC704
X701
FB701
R715
C716
C711
R714
C735
C755
C754
L706
R721
R718
R716
R717
R720
R719
R722
R723
CNP702
C727
C726
C725
C724
C723
C722
C721
C720
C740
C741
R741
R744
R743
IC702
C709
M702
M701
S701
C705
JC701
JC702
0
4700p
1
1
50V
0.1
0.1
100
10V
10V
0.1
100
10V
10V
100
10V
10V
0.1
0.1
100p
4700p
(VC)
(FE)
(TE)
(GND)
1000p
(RF)
330
10k
4.7k
0.1
22k
22p
0.047
KTN2907AS-RTK
10
LC78645NE-U
100
47k
15k
15k
15k
15k
47k
16P
47
10V
47k
100
10V
10V
0.1
0.1
1
0.047
680
680
10k
2.2k
220
1k
100
10V
10V
0.1
2.2k
0.01
220
33.8688MHz
150
0.01
0.01
150
1000
6.3V
6.3V
0.01
0.01
(L-CH)
(R-CH)
1k
1k
1k
1k
100
100
100
100
14P
1000p
1000p
1000p
22p
0.01
22p
22p
22p
470
10V
10V
0.1
6.8k
100k
6.8k
BA6998FP-E2
0.1
4700p
0
0
A9
A10
A9
A10
A1
A1
A2
A2
A8
A8
A4
A4
A3
A3
A5
A5
A6
A6
A7
A7
B1
B3
B5
B1
B3
B5
C1
C2
C3
C4
C1
C2
C3
C
4
B
2
B4
B2
B4
E
D
A
B
C
F
LD
VR
PD
F+
T+
T-
F-
SW
GND
V
C
C
M
U
T
E
S
P
+
S
P
IN
S
P
-
S
L
-
S
L
+
R
E
G
O
V
C
C
V
R
E
F
F
-
F
+
T
-
T
+
R
S
T
DRF
∗
RES
DO
DI
CL
CE
VREF
VCC
GND
FSEQ
∗
WRQ
R
E
G
-B
G
N
D
G
N
D
G
N
D
N
C
O
P
O
U
T
O
P
IN
SLCIST
EFMIN
RF
RFVDD
RFVSS
FIN1
FIN2
TIN1
TIN2
VREF
REFI
FE
TEC
TE
RFMON
JITTC
ADAVDD
ADAVSS
TDO
F
D
O
S
P
D
O
S
L
D
O
G
P
D
A
C
C
O
N
T
4
C
O
N
T
5
S
B
C
K
/C
O
N
T
6
S
B
C
K
/F
G
D
E
FE
C
T
V
/*
P
F
S
E
Q
M
O
N
I1
M
IN
I2
M
O
N
I3
M
O
N
I4
M
O
N
I5
(3
.3
V
)V
S
S
V
D
D
D
O
U
T
T
E
S
T
LVDD
LCHO
LVSS
RVSS
RCHO
RVDD
XVDD
XOUT
XIN
FSX/16MIN
XVSS
C2F
EFLG
16MOUT
ASLRCK
ASDACK
ASDFIN
LRSY
DATACK
DATA
C
E
C
L
D
I
D
O
∗
W
R
Q
∗
R
E
S
D
R
F
V
D
D
5
V
S
S
C
O
N
T
3
C
O
N
T
2
C
O
N
T
1
P
D
O
1
P
D
O
2
V
V
S
S
P
C
K
IS
T
VV
D
D
F
R
L
D
S
L
D
D
SLCO
TX
TY
FX
F
Y
S
P
Y
S
P
X
S
L
X
S
L
Y
S
L
IN
(S
L
IN
)
F
IN
(F
IN
)
T
IN
(T
IN
)
(LIMIT)
SL+
SL-
SP-
SP+
(SLED)
(SPINDLE)
AUTOMATIC
POWER CONTROL
RF AMP,FOCUS/TRACKING SERVO,
DIGITAL SIGNAL PROCESSOR,
CLV SERVO,D/A CONVERTER
COIL DRIVE,
FOCUS/TRACKING
SPINDLE/SLED
MOTOR DRIVE
P-GND
CD MOTOR 6.0V
CD R-OUT
CD L-OUT
D-GND
CD VDD 3.3V
5-6.
SCHEMATIC DIAGRAM – CD Section –
•
See page 24 for Waveforms.
•
See page 24 for IC Block Diagrams.
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark : CD STOP
[
no mark : CD STOP
[
] : CD PLAY
(Page 20)
ICF-CD853/CD853L
18
18
5-7.
PRINTED WIRING BOARD – MAIN Section –
•
See page 15 for Circuit Boards Location.
(Page 22)
(Page 16)
(Page 19)
(Page 19)
(Page 19)
R961
R962
C966
C965
E
C
B
Q955
R965
R964
C969
C33
C967
D954
AK
R17
C1
R1
D2
AK
C5
C18
R2
R4
R18
D3
AK
C2
C3
R3
C4
R11
L2
C24
C28
C26
R16
C67
C68
IC1
C30
C31
R20
R101
R19
C101
R201
C201
C21
R15
R14
R12
R58
R55
R54
R56
R52
R53
C53
C52
R13
C51
C61
C62
C59
C60
R59
C58
R51
R60
R61
C56
R62
R63
R9
E C B
Q3
R5
C15
C9
C11
R10
C10
C14
R57
C13
C55
C12
A
K
A
D4
C8
D5
R8
R6
C6
IC51
Q1
B C E
R239
R240
R139
R140
C102
C202
C318
R22
R21
C66
C320
R319
R320
R321
R324
R325
JC3
C323
R327
R326
C319
L301
C322
R318
R317
R301
R102
R104
R112
R108
R204
R212
R208
R202
R213
R206
R106
R113
Q301
B C E
R304
R303
R309
R308
R109
R114
C106
R107
C107
R110
R214
R210
C207
R207
C206
R209
E C B
Q102
E C B
Q101
Q202
B C E
Q201
B C E
R133
R233
R131
R231
C226
C126
C313
C223
R229
R331
C115
C116
R138
R127
R125
C128
R124
R126
C216
C215
R224
R238
E C B
Q103
E C B
Q203
R227
R225
C228
R312
R323
C309
R226
R222
R311
C308
R330
R329
Q302
B C E
E C B
Q304
Q303
B C E
R122
R313
R129
C123
R120
C117
R220
D303
E
C
B
Q106
E
C
B
Q206
C217
R228
R234
R134
R315
R132
R232
R128
C65
C955
C959
R954
C957
R966
R955
C953
C951
C961
C963
E C B
Q2
C962
+
C960
+
C958
+
C956
+
C954
+
C952
+
1
4
KH951
R960
D953
Q952
Q951
R958
R953
R956
R951
D952
D951
Q953
C964
+
C968
+
JW301
JW302
JW303
JW305
JW304
JW306
JW307
JW318
JW320
JW319
CT2
AM RF
JW321
L4
AM OSC
L1
FM RF
CT1
FM RF
JW322
JW324
C17
+
BPF1
T1
AM IFT
CF3
CF2
CF1
C25
+
C27
+
C29
+
D53
D52
D54
C57
+
C63
+
CT4
LW OSC
D51
JW325
JW326
C19
+
RV1
(FM STEREO)
C20
+
JW328
JW327
C22
+
JW329
JW330
JW331
JW332
C49
+
C324
+
JW347
JW346
JW349
JW350
JW348
JW351
JW352
JW353
D306
D307
JW354
JW374
2
1
20
19
CN301
JW373
JW379
JW378
JW377
D308
JW375
2
1
CN302
14
13
JW376
JW368
JW367
JW366
JW345
JW344
JW343
JW364
JW365
JW342
C204
+
C203
+
C103
+
C104
+
C105
+
D301
D305
C326
+
C325
+
JW370
C321
+
Q305
JW372
JW371
C205
+
JW362
JW363
C302
+
C328
+
C301
+
JW355
JW341
C307
+
C119
+
C219
+
JW334
JW335
JW336
JW340
JW339
JW338
JW337
Q107
Q207
JW360
JW357
JW356
JW359
JW361
C316
+
D304
1
7
JW358
1
7
C314
+
C225
+
C125
+
C224
+
C124
+
C121
+
C310
+
C312
+
JW315
JW314
JW317
JW316
C221
+
JW313
JW312
JW333
JW308
JW311
JW309
JW310
C122
+
1
15
C222
+
C970
+
CT3
LW RF
JW323
C327
+
X51
IC302
MAIN BOARD
(11)
11
1-684-047-
A
K
K
GRN
BRN
BLK
RED
L3
AM
FERRITE-ROD
ANTENNA
L3-1
MW
FERRITE-ROD
ANTENNA
L3-2
LW
FERRITE-ROD
ANTENNA
(CD853)
(CD853L)
E
TRANSFORMER
BOARD
CN901
L4
TP
(VT)
TP
(GND)
TP
(FM IN)
20
10
1
10
1
15
30
16
TP
(FM ST)
TP
(RADIO B+)
D
HP
BOARD
CN305
CN303
1
4
SP201
(R-CH)
SP101
(L-CH)
(L-CH)
C
VOLUME
BOARD
CN304
1
2
S302
CD LID
OPEN/CLOSE DETECT
A
CD BOARD
CNP702
B
LCD BOARD
CN401
A
B
C
D
E
F
G
H
I
1
2
3
4
5
6
7
8
9
10
11
J
K
R7
ANT1
FM
ANTENNA
(CD853L)
(CD853)
• Semiconductor
Location
Ref. No.
Location
D2
G-9
D3
G-8
D4
F-8
D5
E-8
D51
E-7
D52
I-7
D53
I-7
D54
I-7
D301
I-3
D303
A-5
D304
F-2
D305
I-3
D306
I-6
D307
I-6
D308
K-5
D951
B-7
D952
B-8
D953
B-9
D954
D-10
IC1
H-8
IC51
G-7
IC302
B-5
Q1
H-6
Q2
E-9
Q3
E-7
Q101
H-3
Q102
H-3
Q103
C-5
Q106
A-5
Q107
E-3
Q201
G-3
Q202
G-3
Q203
C-5
Q206
A-5
Q207
E-4
Q301
G-4
Q302
E-5
Q303
E-5
Q304
E-5
Q305
I-3
Q951
B-7
Q952
B-8
Q953
C-9
Q955
D-10
ICF-CD853/CD853L
19
19
R905
R904
R901
R902
R903
C902
C908
C907
C910
C909
T901
POWER
TRANSFORMER
JW901
C903
+
C901
+
D901
D902
D905
D906
D908
D907
1
4
CN901
D909
D910
TRANSFORMER BOARD
(11)
11
1-684-051-
TM901
TM902
E
MAIN
BOARD
KH951
AC901
(AC IN)
BLK
WHT
(CD853:CND)
(CD853:CND)
EXCEPT
CD853:CND
EXCEPT
CD853:CND
C127
R236
C227
R137
R235
R237
R135
R136
Q108
BC
E
Q208
BC
E
R322
R328
JW390
1
7
CN304
C317
+
VOLUME BOARD
(11)
11
1-684-049-
J301
1
7
CN305
HEADPHONE BOARD
(11)
11
1-684-050-
J301
D
MAIN BOARD
C
MAIN
BOARD
RV301
−1
−2
VOLUME
A
B
C
D
E
F
G
1
2
3
4
5
6
7
S301
MEGA BASS
ON OFF
5-8.
PRINTED WIRING BOARDS – POWER Section –
•
See page 15 for Circuit Boards Location.
• Semiconductor
Location
Ref. No.
Location
D901
D-3
D902
D-3
D905
D-3
D906
D-2
D907
D-2
D908
D-2
D909
E-2
D910
E-2
Q108
A-4
Q208
B-4
(Page 18)
(Page 18)
(Page 18)
ICF-CD853/CD853L
20
20
C225
C124
C125
C313
C314
R134
R234
C226
C126
R131
C224
R232
D304
R315
C316
R133
R233
Q207
Q107
CN303
R331
C312
R313
C123
R129
C221
C222
R228
R128
C122
C121
R127
Q103
C116
R138
C115
R124
Q203
R224
C215
C216
R238
R125
R225
C310
R227
KH951
TM901
TM902
C902
R903
D905
D906
C907
C908
C909
D907
D908
D909
D910
C910
R902
CN901
R951
R956
R953
R954
R955
C953
D951
C954
C955
C956
R958
C957
C958
C959
R966
R960
D953
C961
C962
C963
C964
R964
C967
C968
D954
C969
C970
CN301
CN302
C228
C128
R226
R126
C309
C308
R312
R323
Q305
C326
C325
Q301
R309
C307
D303
R220
C217
C117
R120
R229
R308
Q206
Q106
C321
C322
L301
C318
C319
C320
Q302
R109
C104
R102
C103
R104
R112
R108
C302
C106
C107
R110
R114
Q101
Q102
R202
C203
R204
R212
R208
R213
R206
R113
R107
R106
D301
C301
R207
R209
C205
C207
R210
R214
Q201
Q202
R318
R301
R317
R329
R132
R961
D305
R324
R325
R326
D306
D307
D308
R327
C49
R303
R304
C105
C206
R122
C119
C219
R222
C327
R330
R321
R320
R319
C324
C323
C951
C952
R962
C965
C966
R322
C317
Q108
Q208
R137
R235
R136
C127
R237
C227
R328
CN304
R236
T901
J301
SP201
SP101
R135
RV301
S301
R311
Q303
C223
IC302
R231
Q951
Q952
D952
Q953
C960
R965
Q955
JC3
Q1
C204
Q304
C328
C901
D902
D901
R901
R904
R905
C903
C65
C68
C67
S302
R22
R21
C66
AC901
CN305
1000
6.3V
6.3V
100
10V
10V
1000
6.3V
6.3V
1000p
10 50V
100
100
0.01
0.01
2.2
100
10V
10V
22k
1SS119
0
10
50V
1k
1k
KTC3203Y
KTC3203Y
4P
10k
47
10V
1k
1000p
10k
0.47
50V
47
10V
220
220
47
10V
0.47
50V
1k
2SC4081-T106
0.22
6.8k
4700p
10k
2SC4081-T106
10k
4700p
0.22
6.8k
4.7k
4.7k
100
10V
1k
4P
0.47
100k
1SS119
1SS119
0.1
0.1
0.1
1N4002B
1N4002B
1N4002B
1N4002B
0.1
220k
4P
1
1
470
1k
470
0.01
MTZJ-T-77-3.9A
220
10V
10V
0.01
470
10V
10V
220
0.01
220
10V
10V
0.01
220
100
MTZJ-T-77
-4.3B
0.01
220
10V
10V
0.01
220
10V
10V
100
0.01
220
10V
10V
UDZS-TE17
-4.3B
0.01
220
10V
10V
20P
14P
0.1
0.1
47k
47k
4700p
2200p
10k
47k
2SB1013
2.2
50V
50V
220
10V
10V
DTA144EUA-T106
100k
4.7
50V
50V
DAP202U-T
-106
1k
1000p
1000p
1k
10k
2.2k
2SD1757K
2SD1757K
47
10V
0.01
100p
100p
100p
DTC144EUA-T106
1k
47
10V
4.7k
4.7
50V
50V
3.3k
220k
470k
220
10V
10V
1000p
1000p
470k
220k
2SC4081
-T106
2SC4081
-T106
4.7k
4.7
50V
50V
3.3k
220k
470k
220k
470k
220k
470
470k
1SS119
4.7
50V
50V
470
1k
4.7
50V
50V
1000p
470k
220k
2SC4081
-T106
2SC4081
-T106
47k
1k
470
47k
22k
1k
1SS119
100
100
100
1SS119
1SS119
1SS119
100
47
10V
47
47
4.7
50V
50V
1000p
10k
4.7
50V
50V
4.7
50V
50V
10k
100
10V
10V
47k
4.7k
4.7k
4.7k
47
10V
0.01
0.01
6800
16V
1k
1000p
1000p
100
470
10V
10V
2SC4081
-T106
2SC4081
-T106
470
100k
1k
1
470
1
2.2k
7P
1k
100k
20k/20k
1k
DTA144EUA-T106
1000p
BA5417
2.2
2SD2396K
2SD2396K
MTZJ-T-77
-6.8B
KTC3203Y
470
10V
10V
100
2SD596
0
2SA1576A
47 10V
2SA1576A
220
10V
10V
47
35V
1SS119
1SS119
220
470
470
10
50V
1000p
1000p
1000p
47k
2.2k
0.01
7P
A1
A2
A3
A4
A5
A6
A7
A8
PREGND2
PREGND1
NF R
R IN
L IN
NF L
FILTER
STBY
POW
ER GND
BS L
L OUT
VCC
R OUT
BS R
(NC)
(1/2)
RECT
POWER
TRANSFORMER
(AC IN)
1
7
(L-CH)
(R-CH)
Q107,207
HEADPHONE
SWITCH
Q108,208
-2
-1
VOLUME
MEGA BASS
OFF
ON
1
7
Q201,202
Q101,102
MUTING
MUTING
INVERTER
B+ SWITCH
Q103,203
BASS BOOST
SWITCH
SWITCH
Q302,303
STANDBY
INVERTER
POWER AMP
+3.3V REGULATOR
+6V REGULATOR
+3.9V REGULATOR
B+ SWITCH
CD LID
OPEN/CLOSE
2
1
DETECT
+3.9V REGULATOR
AMP
AMP
BUFFER
D901,902,905-910
1µH
5-9.
SCHEMATIC DIAGRAM – MAIN Section (1/2) –
•
See page 24 for IC Block Diagram.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : TUNER
[
no mark : TUNER
[
] : CD PLAY
(Page
17)
(Page 21)
(Page
23)
The components identified by mark
0
or dotted
line with mark
0
are critical for safety.
Replace only with part number specified.
Les composants identifiés par une marque
0
sont
critiques pour la sécurité.
Ne les remplacer que
par une pièce portant le numéro spécifié.
Click on the first or last page to see other ICF-CD853 / ICF-CD853L service manuals if exist.