Sony ICF-CD7000 Service Manual ▷ View online
ICF-CD7000
21
21
ICF-CD7000
6-6. SCHEMATIC DIAGRAM – MAIN Board –
•
See page 26 for Waveforms.
•
See page 26 for IC Block Diagrams.
•
See page 30 for IC Pin Function Description.
C842
C843
C840
C841
C844
C845
C834
C833
Q452
Q451
Q453
R
8
5
0
R
8
5
2
R
8
5
4
R
8
5
6
R
8
5
9
R
8
5
8
R
8
5
7
R
8
6
1
R
8
6
2
R
8
9
5
R851
R
8
5
3
R
8
5
5
R
8
6
0
Q804
J
C
8
01
J
C
8
0
6
Q803
R873
R872
R871
R
8
4
9
R
8
4
8
R
8
4
7
R
8
4
6
R
8
4
5
J
C
8
0
4
R841
R843
R842
R866
R865
R864
R863
R870
R838
R839
R840
L801
47
µ
H
R868
R867
R896
R897
CN803
R
8
0
6
R
8
0
7
R
8
0
8
R
8
0
9
R
8
1
0
R
8
1
1
R
8
1
2
R
8
1
3
R
8
1
4
R
8
1
5
R
8
1
6
R
8
1
7
R
8
1
8
R
8
1
9
R
8
2
0
R
8
0
5
R
8
0
4
R837
R836
R835
R834
R833
R832
R831
R830
R829
R828
R827
R826
R825
R824
R823
R822
R821
R803
R802
R801
R893
R892
R891
R890
R888
R884
R880
R879
R878
R877
R876
R875
R889
X802
L802
47
µ
H
R894
R882
R881
C850
IC803
R883
R451
D451
R457
R459
D452
LCD801
C
8
1
5
C831
C829
C830
C832
R874
Q802
C808
C805
C806
C807
D801
CN804
R453
TP808
TP809
TP810
JC805
Q801
S419
IC801
µ
PD789478GC-A54
D802
Q454
R869
X801
CN806
IC802
R455
R456
R462
R461
0.01
2.2
22p
22p
100 10V
0.1
100p
100p
RT1P436C
RT1P144C
RT1P144C
1
k
1
0
k
1
k
1
k
1
k
4
7
0
4
7
0
1
k
1
k
1
0
0
k
1k
2
.2
k
1
k
1
k
RT1P144C
0
0
RT1P141C
22k
10k
47k
1
0
k
1
0
k
1
0
k
1
0
k
1
0
k
0
10k
100k
100k
100k
100k
100k
100k
10k
1k
100k
1k
470
22k
47k
3P
1
0
k
1
0k
1
0
k
1
0
k
1
0
k
1
0
k
1
0
k
1
0
k
1
0
k
1
0
k
1
0
k
1
0
k
1
0
k
1
0
k
1
0
k
1
0
k
1
0
k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
2.2k
1k
1k
1k
1k
1k
0
10k
2.2k
2.2k
2.2k
1k
1k
1k
10k
4.19MHz
220k
10k
10k
0.01
S-80820CNMC
22k
470
470
4.7k
0
.1
0.01
100
10V
10V
0.01
0.01
2.2k
2SC3052EF-T1-LEF
100p
0.01
2.2
100
10V
10V
RB721Q-40T-77
4P
4.7k
(DATA)
(CLK)
(ATS GND)
0
RT1N441C
-8BT-A
MC2836
RT1P436C
1k
5P
TK11140CSCL
0
220
220
0
COM0
COM1
COM2
COM3
SEG0
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
SEG18
SEG19
SEG20
SEG21
SEG22
SEG23
SEG24
SEG25
SEG26
SEG27
O-R-ON
I-R-COUNT
O-R-CLK
O-R-CE
O-V-CLK
O-V-DAT
O-R-DAT
COM0
COM1
COM2
COM3
SEG0
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
SEG18
SEG19
SEG20
SEG21
SEG22
SEG23
SEG24
SEG25
SEG26
SEG27
O-AMUTE
O-P-ON
O-C-RSTX
O-C-RW
O-C-MCK
O-C-DAT
I-C-DAT
I-C-SBSYQ
C-ON
NPNP
KEY0
BUSY
KEY0
OFF
KEY1
KEY2
KEY3
HIGH
MID
C-ON
NPNP
O-C-DAT
O-C-RW
O-C-MCK
I-C-SBSYQ
I-C-DAT
O-C-RSTX
BUSY
KEY0
O-P-ON
O-AMUTE
O-BUZ
KEY2
KEY3
KEY0
KEY1
OFF
LID
LID
KEY2
HIGH
MID
O-V-DAT
O-V-CLK
O-R-ON
O-R-CE
O-R-DAT
O-R-CLK
I-R-COUNT
O-BUZ
∗
1L0345W31B0CT001
1L0345W31B0CT001
OUT
VDD
VSS
NC
NC
COM0
COM1
COM2
COM3
SEG0
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
SEG18
SEG19
SEG20
SEG21
SEG22
SEG23
SEG24
SEG25
SEG26
SEG27
VO
VI
NP
GND
CNT
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
SEG18
SEG19
SEG20
SEG21
SEG22
SEG23
SEG24
SEG25
SEG26
SEG27
AVDD
I-C-OPEN
I-C-BUSY
I-VRSN
KEY3
KEY2
KEY1
KEY0
I-BTCHK
AVSS
I-ACIN
I-OFF/ALARM RESET
O-NPNP
I-C-SUBSYQ
O-BUZ
I-C-DAT
O-C-DAT
O-C-MCK
O-C-RW
O-C-RSTX
O-C-BTCHK
O-P-ON
O-AMUT
NC
NC
VLC1
COM0
COM1
COM2
COM3
SEG0
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
O-C-ON
O-R-ON
O-BRGHT-H
O-BRGHT-M
RESET
X2
X1
VSSO
VDDO
IC
ATS2
ATS1
I-R-COUNT
O-R-CLK
O-R-DAT
O-R-CE
O-V-CLK
O-V-DAT
U-GND
C-ON
AU6V
BTRY
NPNP
RW
MCK
SUBSYQ
D-OUT
RST
BUSY
KEY0
P-ON
A-MUTE
VT
O-BUZ
V-DAT
R-ON
R-CE
R-DATA
R-CLK
R-CNT
KEY3
KEY2
GND
OFF
KEY1
KEY0
GND
LID
GND
SNOOZE
GND
+6.2V
HIGH
MID
∗
R843
100k(US,CND)
LIQUID CRYSTAL DISPLAY
Q451-454
LED DRIVE
RESET SIGNAL GENERATOR
(FOR CHECK)
D-IN
+4V REGULATOR
CD POWER
ON/OFF
CONTROL
Q802,803
AC DETECT
47k(IT, RU)
(IT, RU)
CD LID
OPEN/CLOSE
BATTERY DETECT
VLC0
VLC2
SYSTEM CONTROLLER
D451,452
XT2
XT1
32.768kHz
V-CLK
(LCD BACK LIGHT)
1
12
12
1
(Page 25)
(Page 25)
(Page 25)
(Page 23)
(Page 23)
Ver. 1.2
ICF-CD7000
22
22
ICF-CD7000
6-7. PRINTED WIRING BOARDS – VOL Section–
•
See page 15 for Circuit Boards Location.
: Uses unleaded solder.
R302
R301
R118
R117
R116
R115
R218
R215
FB302
R216
R105
R106
R108
R111
R112
R210
R208
R206
R205
R113
FB101
R217
R303
R304
C306
IC301
C301
C302
C117
C217
C104
C116
R211
R212
R213
FB201
C216
C212
C211
L101
L201
C111
C215
C214
C114
C115
C112
R110
CN303
CN302
C206
C204
C102
C106
R202
R201
R102
R326
R114
R214
R101
R325
R324
R104
R204
R308
C310
Q301
C317
C315
C313
C312
C202
C331
C330
C218
C118
CN301
C319
C320
L302
C305
R328
JC301
R327
R330
Q303
Q304
D303
C308
C329
R323
R322
D301
Q302
CN306
R318
JW301
JW302
C311
C309
C207
C107
C201
C208
C203
C205
C105
C101
C304
C103
C209
C109
C108
C303
C328
CN307
Q305
JW311
CN304
JW314
JW309
JW310
JW308
JW307
JW306
JW303
JW305
L303
L301
JW312
JW313
CN305
R440
BZ401
CN405
1
2
11
1
3
10
1
2
11
12
1
1
14
28
15
2
11
12
1
2
1
1
2
15
16
2
13
14
VOL BOARD
1-872-602-
11
(11)
B
TU BOARD
CNP1
G
MAIN
BOARD
F
MAIN
BOARD
A
CD BOARD
CNP702
H
AMP BOARD
CN351
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
K
A
D
S G
D
S G
D
S G
E
C
B
K
A
C
B
E
J301
(BUILT-IN AUDIO CABLE)
BT301
LITHIUM BATTERY
3V
1
2
1-872-609-
11
(11)
BUZZER BOARD
+
(BUZZER)
A
B
C
D
1
2
3
4
5
6
7
8
•
Semiconductor
Location
Location
Ref. No. Location
D301
C-7
D303
D-3
IC301
C-6
Q301
C-3
Q302
D-7
Q303
D-3
Q304
D-3
Q305
D-3
(Page 16)
(Page 18)
(Page 20)
(Page 20)
(Page 24)
ICF-CD7000
23
23
ICF-CD7000
6-8. SCHEMATIC DIAGRAM – VOL Section –
•
See page 26 for IC Block Diagrams.
CN301
CN305
C317
C315
C313
C312
C308
C309
C310
C311
C320
Q302
C217
C117
C216
C116
FB201
FB101
FB302
C207
C208
C107
C108
C328
D301
IC301
R206
R205
R105
R106
R110
R210
R301
R302
C303
R303
R304
C304
R116
R117
R118
R115
C203
C205
C105
C103
C101
C201
R114
R214
C109
C209
R215
R216
R217
R218
R326
R325
R324
R327
R328
JC301
Q303
Q305
R330
BZ401
CN306
R318
CN307
L201
1
µH
1
µH
L101
R213
R113
R204
R208
R211
R212
R111
R112
R323
R322
L303
C214
C215
C114
C115
C301
C302
C305
C306
C112
C111
C202
C204
C206
C106
C104
C102
C330
C211
C212
C331
C329
D303
R440
C319
BT301
TP301
TP302
L301
1
µH
R108
R104
R201
R202
R101
R102
R308
Q301
Q304
CN304
L302 10
µH
C118
C218
CN303
CN302
16P
14P
100p
100p
100p
0.01
0.01
100
10V
10V
0.01
100
10V
10V
0.01
RT1P436C
100p
100p
1000p
1000p
1
50V
1
50V
1
50V
1
50V
47
16V
MA111-TX
R2S15904SP
47k
470k
470k
47k
22k
22k
1k
1k
10 10V
47
47
100
10V
10V
22k
10k
220k
470k
1 50V
1 50V
1 50V
1 50V
1 50V
1 50V
4.7k
4.7k
4.7
50V
50V
4.7
50V
50V
470k
22k
10k
220k
2.2k
47k
22k
2.2M
2.2M
0
3LN01S
3LN01S
100
11P
0
3P
2.2k
2.2k
10k
1k
100k
47k
100k
47k
1k
1k
2200p
4700p
2200p
4700p
100p
100p
1
0.1
0.047
0.047
1000p
1000p
100p
100p
1000p
1000p
2200p
0.047
0.047
2200p
0.1
MA111-TX
4.7k
0.01
1k
10k
1k
2.2k
1k
2.2k
10k
KTC3205-Y
3LP01S
2P
100p
100p
12P
12P
NPNP
V-CLK
V-CLK
V-DAT
V-DAT
P-ON
P-ON
KEY0
KEY0
A-MUTE
L-OUT
R-OUT
R-OUT
L-OUT
NPNP
O-BUZ
R-CNT
R-CLK
R-DATA
R-CE
R-ON
BUSY
D-OUT
SUBSYQ
MCK
RW
RST
C-ON
C-ON
RST
D-IN
MCK
RW
D-OUT
SUBSYQ
BUSY
R-ON
R-CNT
R-CLK
R-DATA
R-CE
O-BUZ
A-MUTE
D-IN
U-GND
C-ON
AU6V
BTRY
NPNP
RW
MCK
SUBSYQ
D-OUT
RST
BUSY
KEY0
P-ON
A-MUTE
VT
O-BUZ
V-DAT
R-ON
R-CE
R-DATA
R-CLK
R-CNT
MO6V
MOGND
C-GND
C-GND
AU6V
KEY0
U-GND
P-ON
TU6V
AMUT
TUGND
VT
SGND
L-OUT
AGND
R-OUT
IN R2
IN R1
IN L1
IN L2
IN L3
IN L4
IGOUT L
VOLIN L
IGOUT R
VOLIN R
BASS R1
BASS R2
BASS L1
IN
R3
R3
VCC
DATA
CLK
NC
NC
L OUT
R OUT
A GND
REF IN
D GND
TRE R
TRE L
BASS L2
IN
R4
LITHIUM
BATTERY
3V
V-CLK
D-IN
S
S
Q303,304
B+ SWITCH
BUZZER
DRIVE
S
B+
BUZ
B+
BUZ
(BUZZER)
INPUT SELECTOR,ELECTRIC VOLUME
+3.3V REGULATOR
B+ SWITCH
J301
R-CH
GND
L-CH
VDD(3.3V)
L-OUT
D-GND
R-OUT
RESET
D-IN
RW
MCK
D-OUT
BUSY
MOTORMUTE
6V
P-GND
R-MUTE
R-COUNT
R-CLOCK
R-DATA
R-LAT
TU-LCH
TU-6V
TU-RCH
GND
VT
S-GND
SUBSYQ
2
1
BUILT-IN
AUDIO CABLE
(Page 17)
(Page 19)
(Page 21)
(Page 21)
(Page 25)
ICF-CD7000
24
24
ICF-CD7000
6-9. PRINTED WIRING BOARDS – AMP Section –
•
See page 15 for Circuit Boards Location.
: Uses unleaded solder.
R424
R423
R426
R425
R434
R433
R422
R421
R419
R420
R432
R431
R430
R429
R427
R428
S417
S416
TP406
(TEST CD)
S411
S417
S411
S412
S418
S413
S414
S410
S415
R437
R435
S420
R439
Q401
Q402
D401
D402
R411
R412
R413
R414
R415
R416
R417
R418
R409
R410
R407
R408
R405
R406
R404
R403
R402
R401
S403
S402
S404
S405
S406
S407
S408
S409
S401
R152
R351
R155
R153
R352
R256
R257
R258
R157
IC351
R156
R254
R252
R253
R255
R154
Q151
Q351
Q902
Q901
D901
Q903
Q904
D902
Q352
Q251
Q354
Q353
C153
C253
C910
C902
C903
C908
C905
D903
C911
C254
C154
C353
C356
C354
C261
R158
C161
C157
C156
C257
C256
R913
R910
R909
R904
R912
R903
R906
R905
R902
R901
R908
C260
C160
C355
C259
C258
C351
C151
C255
C155
C158
C352
C159
C251
C901
C907
C909
C904
C906
CN352
JW906
JW907
JW908
JW905
JW903
JW910
JW909
JW352
JW904
JW902
JW901
JW351
CN353
CN351
R447
R450
R449
S422
S421
CD
u
OFF
x
ALARM RESET
RADIO ON
BAND
TUNE
TIME SET
+ >
TUNE
TIME SET
– .
AUDIO IN
+
–
VOLUME
ALARM B
KEY (R) BOARD
1-872-605-
11
(11)
D
MAIN BOARD
CN804
1
4
SNOOZE/
BRIGHTNESS
1
5
E
MAIN BOARD
CN806
1-872-606-
11
(11)
ILLUMINATION BOARD
(ILLUMINATION)
(ILLUMINATION)
E
B
E
B
C
C
5
4
3
2
1
NAP
SLEEP
MODE
ALARM A
1
3
C
MAIN
BOARD
CN803
1-872-604-
11
(11)
KEY (L) BOARD
TRACK SELECT
PRESET
PRESET
PRESET TUNING
E
C
B
E
C
B
1
2
15
16
1
4
1
1
6
12
7
2
AMP BOARD
1-872-601-
11
(11)
H
VOL BOARD
CN301
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
K
K
A
K
A
A/K
E
B
E
B
C
E
B
E
B
C
E
B
C
C
E
B
C
C
1
2
(AC IN)
POWER
UNIT
E
B
C
E
B
C
SP101
(L-CH)
(L-CH)
SP201
(R-CH)
TIMEZONE
CLOCK/DATE
1
2
CLOCK BOARD
1-872-607-
11
(11)
A
B
C
D
E
1
2
3
4
5
6
7
8
9
10
11
12
13
14
A
K
•
Semiconductor
Location
Location
Ref. No. Location
D401
C-2
D402
C-4
D901
A-9
D902
A-10
D903
B-10
IC351
B-12
Q151
B-11
Q251
C-12
Q351
B-11
Q352
B-11
Q353
C-13
Q354
C-13
Q401
C-3
Q402
C-2
Q901
A-10
Q902
A-10
Q903
B-9
Q904
B-10
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(Page 20)
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Click on the first or last page to see other ICF-CD7000 service manuals if exist.