Sony ICF-C1200 Service Manual ▷ View online
6
ICF-C1200
Pin No.
Pin name
I/O
Description
1-4
COM1-4
O
LCD common output.
5-26
S1-S22
O
LCD segment output.
27
HOLD SW
I
HOLD switch input. ON:L OFF:H
28-30
KR1-3
I
Key return input.
31
VDD
—
Power supply terminal.
32-34
KR1-3
O
Key souce output.
35
POWER
O
Power ON control signal output. ON:L OFF:H
36
BEEP
O
Beep signal output.
37
MUTE
O
Mute signal output.
38
WAKE UP
O
Alarm output at volume control min. ON:L OFF:H
39
LCD
I
LCD check test mode setting input.
40
BAND
O
Band select signal output. AM:H FM:L
41
TEST
—
Not used (Fixed at "L").
42
HOLD
—
Not used (Fixed at "L").
43
INTR1
I
1.9V voltage detection terminal. Radio OFF :L
44
INTR2
I
1.1V voltage detection terminal. All OFF :L
45
—
Not used (OPEN).
46
—
Not used (OPEN).
47
GND
—
Ground terminal.
48
FM IN
I
FM local oscillator signal input.
49
AM IN
I
AM local oscillator signal input.
50
VDD
—
Power supply terminal.
51
D01
—
Not used (OPEN).
52
D02
O
Tuning voltage control output.
53
VREG
—
Regulator output for phase compalator.
54
—
Not used (OPEN).
55
AL SW1
I
ALARM switch input (OFF).
56
AL SW2
I
ALARM switch input (RADIO).
57
AL SW3
I
ALARM switch input (BUZZER).
58
VDET
I
2.1V voltage detection input.
59
ID
I
Destination select input.
60
ID
I
Destination select input.
61
—
Not used (OPEN).
62
SP BEEP
O
Beep signal output.
63
LIGHT
O
LCD back light ON/OFF output.
64
ST/MO
O
Stereo/Mono select output.
65-69
—
Not used (OPEN).
70
RESET
I
Reset signal input.
71
XOUT
O
Oscillator output (75kHz).
72
XIN
I
Oscillator input (75kHz).
73
GND
—
Ground terminal.
74
VDB
—
Capacitor terminal.
75
C1
—
Capacitor terminal.
76
C2
—
Capacitor terminal.
77
VEE
—
Voltage pull-up terminal.
78
C3
—
Capacitor terminal.
79
C4
—
Capacitor terminal.
80
VLCD
—
Voltage pull-up terminal.
SECTION 4
DIAGRAMS
4-1. EXPLANATION OF IC TERMINALS
• IC301 TC9328AF-SR7491
(System control, LCD driver)
(System control, LCD driver)
7
7
ICF-C1200
4-2. BLOCK DIAGRAMS
• Signal path.
F
: Analog
f
: Digital
• Abbreviation
JE
: Tourist
D401
BAT401
RV201
T101
X301
KS1
KS2
KS3
KR1
KR2
KR3
T401
Q104
D106
D107
RV101
Q103
D402
Q101
D101
D103
D104
D102
CF102
CF103
CF101
J201
D303
D304
Q201
Q202
PAS
75kHz
BAND
SELECT
AM_IF
IN
IN
FM_IF
IN
IN
L_CH
R_CH
REG
FM_OSC
AM_OSC
MPX REG
PLL
LPF
FM/AM
DET,FM MPX
FRONT-END,IF AMP,
TELESCOPIC
ANTENNA
SPEAKER
AM
IF
VCO
COVERAGE
AM FREQUENCY
FM FREQUENCY
COVERAGE
AM TRACKING
FM/AM
FE OUT
FM RF IN
AM RF IN
FM RF
PILOT
DET
LPF2
CT101
HOLD SW
POW
ER
BEEP
MUTE
WAKEUP
BAND
INTR1
INTR2
FM
IN
AM
IN
DO2
VDET
ID
ID
AL SW1
AL SW2
AL SW3
AL SW2
AL SW3
LIGHT
RESET
XOUT
XIN
SP BEEP
ST/M
O
DISPLAY
LIQUID
CRYSTAL
FERRITE-BAR
AM
ANTENNA
L102
CT102
FM TRACKING
L102,CT101
L105
LCD301
VOL
AM
AM
OSC
FRONT-END
OSC
FRONT-END
FM
FM
VREF
AM
OSC
L105
OSC
L104
L104
VREF
LPF1
VCO
MPX
REG
REG
MPX,
DECODER
AMP
FM IF/
DISCRI
DISCRI
AM IF/
DET
DET
PILOT
S22
S1
COM
0
COM
4
VCC
AM
RF
FM
FM
RF
RF
( )
( )
( )
( )
L103,CT102
L103
+
SP101
ANT101
IN1
REG
VOL
OUT1
OUT2
IN2
SYSTEM
CONTROL
BUFFER
DC-DC
CONVERTER
Q401,402
LED DRIVER
LCD
BACK LIGHT
D301,302
( )
SPEAKER
BEEP
BEEP
+B SWITCH
Q403,404
DETECT
DETECT
1.1V VOLTAGE
1.9V VOLTAGE
DETECT
2.1V VOLTAGE
RESET
POWER AMP
VOL,
DRY BATTERY
2PCS,3V
ON
OFF
HOLD
(IEC DESIGNATION R03)
SIZE"AAA"
BATT
VCC
BACK
UP
+1.5V REG
(+1.2V)
IC401
S311
ALARM
MODE
OFF
RADIO
BUZZER
KEY MATRIX
S302-310
LPF
Q102
REG
VOL
POWER AMP
POWER AMP
Q203,204
GATE
Q206
BATT
REG
IC201
Q303
AEP,E
US,JE
US,AEP,E
JE
BACK UP
-
-
1
4
5
26
BACK UP
Q205
BACK UP
BATT
BATT
IC301
IC305
IC304
IC302
IC303
IC101
Q302
8
8
ICF-C1200
MAIN BOARD (SIDE A)
1-681-238-
S310
BAND
/ENT
13
(13)
S308
(JOG SWITCH)
.
BAT401
PAS
C113
C108
CF101
L104
L101
R131
C212
C202
C118
T101
C201
C207
C205
C324
C403
C411
C306
C305
C304
C405
C302
C326
C309
C303
C408
R404
C409
C412
R403
R124
R119
R204
R407
R327
R379 R332 R333
R406
R387
C325
R302
R377
R376
R375
R301
R321
R388
R306
R308
R307
R307
R305
R304
R304
R337
R322
R322
R303
R310
R309
R309
R311
R312
R342
R319
R318 R343 R346
R350
R320
R345
C308
R389
R339
R340
R340
R341
R349
R349
R313
R328
R329
R328
R329
R314
R315
R315
R405
C123
C103
C211
C214
C213
C206
C204
C216
C323
C321
C320
C410
C328
C402
C307
C322
C311
C404
C301
C406
C407
R113
R129
R112
R202
R205
R201
R203
R211
R212
R210
R351
R374
R371
R370
R369
R368
R367
R366
R365
R364
R363
R362
R361
R360
R359
R358
R357
R356
R355
R354
R353
R352
R213
R373
R323
R338
R372
R380
R344
R382
R392
R401
R316
R381
R317
R402
D401
C316
C319
R331
R215
R390
R391
C313
C312
C318
C317
C314
R214
D303 D304
D402
D403
BCE
Q402
BCE
Q404
BCE
Q201
BCE
Q302
ECB
Q206
ECB
Q203
ECB
Q204
ECB
Q401
BCE
Q403
BCE
Q202
IC302
IC301
1
3
4
2
IC304
1
3 4
2
IC401
1
3
4
5
IC305
1
3 4
2
ECB
Q205
IC303
1
3 4
2
C210
C215
C208
C203
C209
BROWN
RED
C120
C114
RV101
C122
L105
CT102
CT101
L102
AM
FERRITE-BAR
ANTENNA
L103
IC201
1
5
8
16
12
9
1
60
5
55
10
50
15
45
20
21
80
25
75
30
70
35
65
40
61
41
T401
C315
X301
RV201
VOL w
C401
D109
S311
ALARM MODE
OFF
RADIO
BUZZER
TP
(3V)
TP
(76K)
SP101
SPEAKER
US,AEP,E
MODEL
AEP,E MODEL
US,JE MODEL
JE MODEL
JE MODEL
R337
R322
R322
R323
R338
DRY BATTERY
SIZE "AAA"
(IEC DESIGNATION R03)
2PCS, 3V
2
3
4
5
6
7
8
9
A
1
B
C
D
E
4-3. PRINTED WIRING BOARDS – MAIN SECTION (1/2) (SIDE A) –
D109
C-6
D303
B-4
D304
B-4
D401
C-5
D402
B-3
D403
B-2
IC201
C-6
IC301
C-3
IC302
B-4
IC303
C-5
IC304
B-4
IC305
B-5
IC401
D-5
Q201
D-6
Q202
C-6
Q203
B-5
Q204
B-6
Q205
D-2
Q206
D-2
Q302
B-3
Q401
B-2
Q402
B-2
Q403
D-5
Q404
D-5
Ref. No.
Location
z
Semiconductor
Location
: Uses unleaded solder.
Note :
• X : parts extracted from the component side.
•
•
z
: Through hole.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
Caution:
Pattern face side:
Parts on the pattern face side seen from the
(Side B)
pattern face are indicated.
Parts face side:
Parts on the parts face side seen from the
(Side A)
parts face are indicated.
• Abbreviation
JE
: Tourist
9
9
ICF-C1200
MAIN BOARD (SIDE B)
1-681-238-
13
(13)
C217
C127
C128
C112
R111
C111
C110
C121
C125
C105
C106
C102
C104
R334
R121
R114
R126
R336
R335
R116
R108
L106
R384
R385
R386
R120
R101
R130
R127
R206
R207
R118
C124
R117
R110
R107
R324
R326
R109
R128
R115
R383
R106
R125
R102
R107
R103
R123
R122
L202
L203
L201
C119
C115
C126
C116
C107
C117
C109
R325
C101
Q103
BCE
Q101
ECB
Q104
ECB
Q303
B C E
D107
D103
D104
D106
D101
D105
D102
S307
LIGHT
S305
WORLD/
LOCAL
S309
(JOG SWITCH)
S301
HOLD
OFF ON
S306
SNOOZE
S302
RADIO
ON/SLEEP
S303
OFF
S304
MENU
J201
i
Q102
ECB
D301
(BACK LIGHT)
D302
(BACK LIGHT)
CF103
1
5
25
15
20
30
10
16
IC101
.
CF102
LCD101
2
3
4
5
6
7
8
9
A
1
B
C
D
E
ANT1
FM
TELESCOPIC
ANTENNA
4-4. PRINTED WIRING BOARDS – MAIN SECTION (2/2) (SIDE B) –
D101
A-1
D102
B-1
D103
C-2
D104
C-2
D105
D-8
D106
B-1
D107
D-1
D301
C-3
D302
B-3
IC101
C-2
Q101
B-1
Q102
C-2
Q103
D-2
Q104
D-1
Q303
D-3
Ref. No.
Location
z
Semiconductor
Location
: Uses unleaded solder.
Note :
• X : parts extracted from the component side.
•
•
z
: Through hole.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
Caution:
Pattern face side:
Parts on the pattern face side seen from the
(Side B)
pattern face are indicated.
Parts face side:
Parts on the parts face side seen from the
(Side A)
parts face are indicated.
• Abbreviation
JE
: Tourist
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