Sony ICF-CDK70 Service Manual ▷ View online
ICF-CDK70
ICF-CDK70
25
25
6-8. SCHEMATIC DIAGRAM - PANEL/KEY Section -
FB201
FB101
FB301
C107
C207
S417
S401
CN417
R424
R425
S406
R408
R409
S407
R410
R411
R401
R402
S403
S404
R403
R404
R439
R438
R437
R436
R435
R434
D403
D402
D401
R482
R483
R484
R485
R486
R487
R412
R413
R414
Q401
Q402
Q403
LCD401
R422
R427
R426
C40
7
C406
S413
R421
R420
R419
J301
S416
CN418
S410
S412
S411
S402
S408
S409
S414
S415
R428
C408
IC401
R423
R418
Q404
D406
R430
R431
D404
R417
1000p
1000p
6P
1k
1k
220
470
1k
1k
220
470
1k
1k
1k
470
1k
470
1k
470
1L341Y22
1L341Y22
1L341Y22
22k
4.7k
22k
4.7k
22k
4.7k
220
470
1k
2SC3052EF-T1-LEF
2SC3052EF-T1-LEF
2SC3052EF-T1-LEF
470
1k
1k
100p
100p
2.2k
1k
2.2k
6P
1k
0.1
NJL23H400A
220
22k
2SC3052-EF-T1-LEF
L-34HD
470
470
1L341Y22
4.7k
LCH
A-GND
RCH
KEY1
BASS
D-GND
LCH
A-GND
RCH
LCH
A-GND
RCH
KEY1
BASS
D-GND
LCH
A-GND
RCH
KEY2
KEY1
BASS
D-GND
LCH
A-GND
RCH
KEY1
KEY2
D-GND
D-GND
KEY2
KEY1
JOG
-
GND
JOG
+
AUDIO IN
1
3
1
3
AUDIO IN
MEGA BASS
ENC+
ENC-
9
1
ROTARY ENCODER
VOLUME
3
1
1
3
6V
U-GND
KEY0
DISC1
DISC2
DISC3
1
6
1
2
3
1
2
3
TUNE/PRESET/
TRACK -
EX-CHANGE
TUNING MODE
OPEN/CLOSE
TUNE/PRESET/
TRACK +
RADIO/BAND
AUTO PRESET
OFF
CD
Q401-403
LED DRIVE
1
T-
T+
KEY0
U-GND
4
CLOCK/
D.S.T
MODE
TIMER PUSH
START/STOP
ENCODER
ROTARY
REMOTE CONTROL
RECEIVER
RED
BLK
WH
T
YE
L
RMC
VCC
U-GND
T-
L
E
D
RMC
RMC
T-
L
E
D
U-GND
RMC
VCC
TIMER
OTU
GND
VCC
LED DRIVE
LCD
BACK LIGHT
LIQUID CRYSTAL DISPLAY
12
6V
U-GND
COM0
COM1
COM2
COM3
SEG0
SEG1
SEG2
SEG3
SEG4
1
14
SEG5
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
T-LED
RMC
1
RMC VCC
COM0
COM1
COM2
COM3
SEG0
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
OFF
ON
(Page 22)
(Page 22)
(Page 23)
(Page 22)
(Page 22)
ICF-CDK70
ICF-CDK70
26
26
6-9. PRINTED WIRING BOARDS - PANEL Section -
Ref. No. Location
• Semiconductor
Location
D401
D-7
D402
D-9
D403
D-11
D404
D-1
D406
B-5
IC401
A-5
Q401
D-7
Q402
D-9
Q403
D-11
Q404
C-2
IC401
R419
R426
R427
C407
C406
R420
R421
C408
R428
R430
R431
R422
R423
R418
R417
Q404
Q401
R482
R483
R434
R435
R412
R413
R414
R436
R437
R485
R484
Q402
R439
R438
R487
R486
Q403
TIMER BOARD
1-872-486-
11
(11)
S415
S413
S414
ROTARY
ENCODER
4
5
3
1
2
E
MAIN
BOARD
CN409
1-872-487-
11
(11)
LCD BOARD
LCD401
LIQUID CRYSTAL DISPLAY
E
C
B
D404
LCD
BACKLIGHT
(
)
D
MAIN BOARD
CN402
C
MAIN BOARD
CN401
1
14
1
12
1
6
1
1
21
RED
WHT
BLK
YEL
LED BOARD
1-872-488-
11
(11)
S411
S410
D402
D401
D403
E
C
B
E
C
B
S412
E
C
B
D401,S410
1
D402,S411
2
D403,S412
3
F
MAIN BOARD
CN411
CLOCK/
D.S.T.
MODE
TIMER
PUSH
START/STOP
REMOTE CONTROL BOARD
1-872-485-
11
(11)
D406
1
3
TIMER
WHT
YEL
BLK
RED
A
B
C
D
E
1
2
3
4
5
6
7
8
9
10
1
4
11
•
: Uses unleaded solder.
• See page 17 for Circuit Boards Location.
(Page 24)
(Page 24)
(Page 24)
(Page 24)
ICF-CDK70
ICF-CDK70
27
27
6-10. PRINTED WIRING BOARDS - KEY Section -
C107
C207
FB101
FB201
FB301
R425
R424
R404
R410
R41
1
R409
R403
R408
R402
R401
JACK BOARD
1-872-492-
11
(11)
1
3
J301
AUDIO IN
KEY BOARD
S406
S402
S407
S408
S409
S403
S404
1-872-489-
11
(11)
S407
S402
S406
S403
CD
V
OFF
Y
RADIO/BAND
AUTO PRESET
TUNER/PRESET/
TRACK -
TUNER/PRESET/
TRACK +
OPEN/CLOSE
;
EX-CHANGE
TUNING MODE
VOL BOARD
1-872-490-
11
(11)
CN417
S416
ROTARY ENCODER
VOLUME
1
3
3
1
MAIN BOARD
CN413
G
MEGA BASS BOARD
1-871-491-
11
(11)
CN418
S401
S417
MEGA BASS
OFFU ON
A
B
C
D
E
2
3
4
5
6
7
8
1
AUDIO IN
9
1
1
6
1
6
1
3
1
3
•
: Uses unleaded solder.
• See page 17 for Circuit Boards Location.
(Page 24)
ICF-CDK70
ICF-CDK70
28
28
6-11. PRINTED WIRING BOARDS - POWER SUPPLY Section -
R222
R230
C228
C128
C309
R130
Q302
Q301
C951
Q952
R962
R961
D952
R955
R954
R950
R951
R952
R953
R956
R957
R958
R968
Q951
D953
D950
C952
R960
C957
R959
R129
R128
C123
R127
R122
R126 R124
R125 R121
R120
R119
R313
C318
C316
R314
C1
19
R309
Q202
Q102
C219
R229
R228
C223
R227
R226
R225
R224
R220 R219
R221
R967
C954
C909
C901
C903
C904
C902
C907
1-872-484-
11
(11)
AMP BOARD
C126
+
C950
+
C959
+
JW304
JW305
CN303
IC302
C310
+
C125
+
1
12
7
6
JW303
C226
+
C311
C227
+
C225
+
CN903
C222
+
C122
+
JW302
JW301
C217
+
C307
+
+
C117
C956
+
C953
+
JW306
Q950
Q953
CN301
+
C127
+
1
2
1
4
C
E
B
C
E
B
14
2
13
1
SP201
(R-CH)
SP101
(L-CH)
(L-CH)
MAIN
BOARD
H
E
C
B
K
A
A
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
1-872-483-
11
(11)
POWER BOARD
L902
F901
JW901
CN901
CN904
FH901
FH902
T901
C908
+
D903
L901
D901
JW902
D902
D904
CN902
(CND)
(US)
POWER TRANSFORMER
WHT
BLK
(AC IN)
TU BOARD
J
CONNECT TO
SHEET(SHIELD)
A
B
C
D
3
4
5
6
7
8
9
10
11
2
1
2
1
2
1
1
2
A
K
A
K
Ref. No. Location
• Semiconductor
Location
D901
C-4
D902
B-4
D903
C-4
D904
B-4
D950
C-9
D952
D-7
D953
D-8
IC302
B-8
Q102
B-9
Q202
B-9
Q301
B-8
Q302
A-8
Q950
D-10
Q951
D-8
Q952
C-7
Q953
D-9
•
: Uses unleaded solder.
• See page 17 for Circuit Boards Location.
(Page 24)
(Page 20)
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