Sony ICF-C763 / ICF-C763L Service Manual ▷ View online
9
9
ICF-C763/C763L
3-4. SCHEMATIC DIAGRAM – MAIN SECTION –
D2
D
3
D100
D101
D102
D103
D104
D105
D106
Q102
Q103
IC1
C1
C3
C4
C5
C6
C8
C9
C10
C11
C12
C14
C21
C22
C23
C24
C25
C42
C27
C28
C29
C30
C31
C33
C34
C35
C36
C37
C38
C39
C40
CF1
CF2
T1
C41
JC8
JC9
JW4
C15
C16
C17
C18
C19
C20
C103
C104
C105
C106
C107
C108
C109
C110
C111
C137
C112
C118
JW110
C119
C120
C122
C123
C124
C125
JW111
JW112
JW7
C126
C
1
2
7
C
1
2
8
C
12
9
C
1
3
4
C
1
3
5
C
1
3
6
C131
C132
JW
1
0
1
JW
1
0
2
JW
1
0
3
JW108
JW104
JW105
JW113
JW107
JW109
R1
R2
R3
R4
R5
JC7
L4
CT4
R6
R7
R12
JW2
R13
C26
R14
R15
R17
R18
BPF1
R16
JW3
R25
R21
R22
CF3
R19
R20
R26
R8
R9
R10
R11
R100
R101
R102
R103
R104
R105
R106
R107
R108
R109
R110
R111
R117
R115
R113
R114
R123
R130
R131
R125
R126
R127
R129
X101
CN1
CN2
CN3
R128
JW6
JC102
CT2
LCD101
JC2
JC105
JC106
JC107
JC103
D1
JW1
JW8
C44
JC1
CT3
L2
D4
C43
JW9
R124
C130
C13
R118
R119
R120
R121
R122
C113
C114
C115
C116
C117
C32
JC104
L3
C7
IC100
IC101
C2
CT1
C133
Q4
Q5
Q6
Q100
Q101
Q3
Q2
Q1
Q7
R132
R112
HVU202ATRU
H
V
U
2
0
2
A
T
R
U
SLP-WH118A-51-SW
SLP-WH118A-51-SW
SLP-WH118A-51-SW
1SS355TE-17
1SS355TE-17
1SS133T-77
1SS133T-77
2SA1576A
DTC144EUA
CXA1019M
470p
0.047
1000p
220p
220p
1000p
10p
5p
0.01
47p
100p
0.01
0.01
3p
10p
1000p
100p
0.01
1
0.01
22
25V
220
10V
10V
1
2.2
10
50V
0.22
0.022
10
50V
4.7
50V
0.01
100p
470p
0.1
0.22
1000p
220
25V
25V
0.01
100p
0.022
0.022
0.01
1000p
0.01
47
10V
1000p
1000p
0.01
0.01
1000p
0.01
1000p
0.01
0.01
1000
6.3V
0.1
0.1
0
.1
2
2
p
1
0
p
8
p
22
p
2
.2
0.1
0.01
2.2k
2.2M
10k
100k
2.2M
100k
4.7k
100k
470
0.1
22k
4.7k
1k
10k
10
1k
47
100
2.2k
470
100k
10k
100k
10k
2.2k
2.2
2.2
2.2
10
10
220
220
2.2k
2.2k
4.7k
4.7k
4.7k
4.7k
10
47k
100k
4.7k
10k
47
4.7k
470k
470k
10k
75kHz
7P
14P
5P
10k
KV1563M
220p
KV1610S
100p
10k
0.1
220p
4.7k
4.7k
4.7k
4.7k
4.7k
470p
470p
470p
470p
470p
470
6.3V
82nH
2200p
-573-1A7
SM1125-AWV-E2
100p
0.1
2SC4081-R
BAND SELECT
SWITCH
2SC4081-R
L.P.F
2SC4081-R
L.P.F
2SC4081-R
LED DRVER
2SC4081-R
LED DRVER
2SA1576A
MUTE
SWITCH
2SC3931-C
IF BUFFER
2SC3931-C
BAND SELECT
SWITCH
DTC144EUA
BAND SELECT
SWITCH
22
220k
C
O
M
0
C
O
M
1
C
O
M
2
C
O
M
3
COM0
COM1
COM2
COM3
LCD0
LCD1
LCD2
LCD3
LCD4
LCD5
LCD6
LCD7
L
C
D
0
L
C
D
1
L
C
D
2
L
C
D
3
L
C
D
4
L
C
D
5
L
C
D
6
L
C
D
7
L
C
D
8
L
C
D
9
L
C
D
1
0
L
C
D
1
1
L
C
D
12
L
C
D
1
3
L
C
D
1
3
L
C
D
1
2
L
C
D
1
1
L
C
D
1
0
L
C
D
9
L
C
D
8
SYSTEM
CONTROL
ILLUMI3
LIGHT1
LIGHT2
ILLUMI1
CLCD1
RLCD1
C
E
IN
T
B
E
E
P
IN
IT
IA
L
C
LC
D
0
R
L
C
D
0
R
E
G
1
X
IN
X
O
U
T
V
D
D
R
E
G
0
V
CO
H
V
C
O
L
E
O
G
N
D
B
A
N
D
2
B
A
N
D
1
M
U
T
E
KR3
KR2
KR1
KR0
KS4
KS3
KS2
KS1
KS0
COM0
COM1
COM2
COM3
LCD0
LCD1
LCD2
LCD3
LCD4
LCD5
LCD6
LCD7
L
C
D
8
LC
D
9
L
C
D
1
0
L
C
D
11
L
C
D
1
2
L
C
D
13
L
C
D
1
4
LIQUID
CRYSTAL
DISPLAY
US/CND
US/CND
C763L
C763L
C763
C763L
C763
C763L
FM
TRACKING
CT3,L2
AM IF
:C763
:C763L
MW IF
ANTENNA
FERRITE-BAR
AM
FERRITE-BAR
ANTENNA
L1
L1
MW/LW
TRACKING
TRACKING
CT1,L1
MW
CT2,L1
LW
TRACKING
CT1,L1
AM
BACK LIGHT
D100-102
M
E
L
O
D
Y
D
A
TE
M
E
L
O
D
Y
C
K
M
E
LO
D
Y
S
T
TP
(ANT)
TP
(VT)
FREQUENCY
COVERAGE
L4
FREQUENCY
COVERAGE
MW
LW
CT4
Q102,103
ILLUMI2
IT,AEP
IT,UK
AC-F-CLOCK DETECT
MELODY
ICF-C763/C763L
10
10
3-5. PRINTED WIRING BOARD – CONTROL SECTION –
11
(11)
1-861-854-
SP1
SPEAKER
B
MAIN
BOARD
(Page8)
C
MAIN
BOARD
(Page8 )
1
5
1
3
1
1
1
2
5
14
11
(11)
1-861-857-
1
3
VOLUME
N
1
5
11
(11)
1-861-855-
KEY BOARD
R95
R94
R94
C88
Q84
E C B
D85
Q85
E C B
C89
R88
R89
R90
R91
R90
R91
C91
C90
R97
CN86
D87
JW92
W82
W83
JW91
S82
W84
5
S95
ALARM MODE
S92
ALARM B
S91
ALARM A
S94
D.S.T/CLOCK
S84
BRIGHTNESS
S89
NAP
S90
TUNE/TIMESET -
S93 TUNE/TIMESET +
S87
4
S83
D84
3
S88
SNOOZE/
SLEEP OFF
SNOOZE/
SLEEP OFF
S81
(DOOR)
S86
2
S85
1
C93
C92
R99
R98
R96
JC81
R93
R92
D88
W85
VOLUME BOARD
R71
RV1
W85
SUB KEY BOARD
D89
S99
PRESET
S97
RADIO ON/OFF
S96
BAND
S98
SLEEP
D86
W84
2
3
4
5
6
7
A
1
B
C
D
E
D84
C-1
D85
D-2
D86
D-5
D87
E-2
D88
E-3
D89
D-6
Q84
E-1
Q85
E-1
• Semiconductor
Location
Ref. No.
Location
11
11
ICF-C763/C763L
3-6. SCHEMATIC DIAGRAM – CONTROL SECTION –
S98
S97
S99
S96
D86
D89
SP1
R71
S94
S91
S88
S85
S82
S95
S92
S89
S86
S83
S93
S90
S87
S84
R91
R90
R95
R94
R89
R88
R93
R92
C88
C89
JW91
C93
C92
C91
C91
C90
JW92
R97
R96
R96
R99
R98
R98
JC81
D87
D88
D84
D85
CN86
RV1
WS
S81
W82
W83
W84
W85
Q84
Q85
DAP202U
1SS355TE
10k
220
220
4.7k
4.7k
10
10
2.2k
2.2k
0.022
0.022
1000p
1000p
1000p
1000p
1000p
10k
10k
10k
10k
10k
10k
1SS355TE-17
1SS355TE-17
SLP-OH81A-51
DAP202U
2P
50k
(DOOR)
2SC4081-R
LED DRIVER
2SC4081-R
LED DRIVER
PRESET
SLEEP
BAND
RADIO
ON/OFF
5
1
CLOCK
3
2
NAP
BRIGHTNESS
4
-
+
TUNE/
TIME SET
ALARM B
ALARM A
D.S.T/
ALARM MODE
TUNE/
TIME SET
SNOOZE/
SLEEP OFF
SNOOZE/
SLEEP OFF
VOLUME
W84
W85
ICF-C763/C763L
12
12
11
(11)
1-861-856-
STANDBY ON OFF
t
t
A
MAIN
BOARD
(Page 8)
1
7
W81
T80
POWER
UNIT
POWER BOARD
R86
Q80
YEL
BLK
Q81
JW82
JW85
Q83
Q82
B C E
B C E
B C E
B C E
R84
R85
C87
JW89
D82
C82
R80
R81
S80
NIGHT LIGHT MODE
R82
C85
D83
C86
JW83
D81
JW88
L82
PATTERN COIL
L81
PATTERN COIL
C83
C84
D80
C81
L80
C80
JW81
2
3
4
A
1
B
C
D
E
R80
R81
JW83
R85
R86
R84
JW85
C87
C86
JW89
JW88
C85
R82
JW81
D83
D80
D81
D82
C81
C82
C83
C84
S80
L81
L82
C80
JW82
L80
W81
Q82
Q83
Q81
Q80
470
470
4.7k
100k
10k
0.1
0.1
0.01
1k
1SS133T
MTZJ-4.7C
RD5.1ESB2
1N4002B
470
6.3V
470
6.3V
1000
10V
470
16V
16V
10
50V
2SC4081-R
+B SWITCH
2SA1576A
+B SWITCH
2SC2001TP-K1K2
+4.4V
REGULATOR
2SC2001TP-K1K2
+4.1V
REGULATOR
PATTERN COIL
PATTERN COIL
NIGHT LIGHT MODE
ON
OFF
STANDBY
POWER
T80
UNIT
3-7. PRINTED WIRING BOARD – POWER SECTION –
3-8. SCHEMATIC DIAGRAM – POWER SECTION –
D80
B-3
D81
C-2
D82
B-2
D83
A-3
Q80
B-3
Q81
C-2
Q82
D-3
Q83
D-3
• Semiconductor
Location
Ref. No.
Location
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