Sony ICF-C1200 Service Manual ▷ View online
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
10
10
ICF-C1200
4-5. SCHEMATIC DIAGRAM
z
Refer to page 11 for Notes.
z
Refer to page 11 for IC Block Diagrams.
z
Refer to page 11 for Waveforms.
IC101
L106
C119
T101
C118
D105
D109
C102
C103
L101
0.1uH
0.1uH
CF102
CF103
C120
C121
C122
C124
C125
R117
R118
R119
R120
C127
R121
ANT101
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
S12
S13
S14
S15
S16
COM4
COM3
COM2
COM1
S17
S18
S18
S19
S20
S20
S21
S22
KS1
KS2
KS3
KR1
KR2
KR3
C1
C2
C3
C4
R373
R374
R377
R302
R302
R303
R304
R305
R305
R306
R307
R307
R308
R309
R309
R310
R311
R312
R312
R321
R372
C304
C305
C306
S302
S303
S304
S305
S306
S307
S308
S309
S310
R371
R370
R369
R368
R367
R366
R365
R363
R361
R360
R359
R358
R357
R356
R355
R354
R353
R352
IC304
IC302
Q403
Q404
Q201
Q202
Q205
Q203
Q302
IC401
C101
R101
R102
R103
D101
R104
R125
R127
R106
R107
Q102
R108
R109
R110
R111
R112
R114
R115
D102
D102
C106
C105
C107
L103
C110
C115
C116
C117
R126
R201
R202
R205
C203
C204
C205
C206
C207
C208
C209
C216
R210
R211
R213
R214
R215
R334
D301
D302
C404
C405
C406
C407
C408
C409
C410
C411
C412
D402
R401
R402
R403
R404
R405
T401
R128
C301
R314
R315
R316
R317
C302
C303
D303
D106
D107
R319
R320
R344
R345
R381
R339
R340
R341
R382
R342
C307
C308
C309
C322
C311
R350
BAT401
R407
D401
C401
C403
R313
R329
R391
R332
R333
C320
C321
C323
R351
C202
C211
C213
C214
C215
C210
C104
R301
R380
IC301
C201
SP101
R122
R123
R124
Q401
Q402
D403
R406
RV101
C108
C109
C113
CF101
C217
R212
C328
C114
R113
R384
R322
R337
R349
L201
C123
C319
C317
C315
C314
C314
C313
C312
C312
X301
R379
R331
C316
C318
Q103
Q101
Q303
Q204
IC303
IC305
Q104
R328
L104
C126
J201
C212
IC102
R346
R327
D304
S301
R383
R385
R385
R386
R323
R338
R206
R207
L203
4.7uH
4.7uH
L202
4.7uH
4.7uH
Q206
C111
C324
D104
C112
D103
R130
R116
C128
R129
RV201
R203
R204
L105
R364
R362
R375
R376
R376
R388
R387
C325
R318
C326
R343
R390
C402
R335
R336
R389
R131
R392
CXA1238N
0.01
470p
1SS302
1SS302
1000p
4p
10
4V
1
100
4V
0.033
0.033
3.3k
3.3k
10
33k
0.47
2.2k
470k
470k
470k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
470k
2200p
2200p
2200p
470k
470k
470k
470k
470k
470k
470k
470k
470k
470k
470k
470k
470k
470k
220k
220k
220k
220k
XC61CN1102N
R
S-80819ANNP
UN9210
2SB815
2SB1462
2SB1462
2SD1048
2SD1048
2SD2216
S-81218SG
1000p
470k
100k
10k
MA77
1k
470k
0
10k
100k
2SC4627
3.3k
100k
22k
220
100
1M
2.2k
-2
SVG347S
-1
SVG347S
3p
0.022
1000p
1000p
15p
22p
82p
10
47k
4.7k
47k
10
4V
4V
0.1
1
1
1
220
4V
100
4V
0.1
4.7k
4.7k
1k
100k
1M
100k
SL1-343YCT
SL1-343YCT
1
10p
10p
0.1
10
4V
4V
10
1
1
0.1
MA2S111
1k
220k
100k
47k
47
0
0.1
10k
220k
10k
10k
0.33
1000p
RB521S
RB521S
RB521S
1M
1k
10k
1k
10
1k
1k
1k
0
1M
1
1000p
0.01
0.1
0.47
1M
PAS
220
RB521S
10
4V
4V
1
1k
1k
0
1M
10k
0.01
0.1
0.1
10k
1
1000p
1
1
10
4V
4V
100
4V
0.01
470k
470k
TC9328AF
1
1k
470k
470k
2SD2216
2SD2216
MA8130
2.2k
22k
22
4V
4V
0.01
4.7
4V
100p
10
0.1
10
4V
4V
10k
1k
100k
100k
1k
1
0.1
0.1
10 4V
0.1
0.1
10p
15p
15p
75kHz
0
4.7k
0.1
0.1
UN9210
2SD2216
FM MUTE
FM MUTE
2SB815
2SD1048
XC61CN0902NR
S-80821ANNP
UN9210
1k
1
1000p
CXA1522N
1M
10
RB521S
1k
1k
1k
1k
100k
100k
220
220
2SB1462
1000p
2p
220
220
4.7uH
1.7
4V
20k
1.8k
4.7k
220k
220k
220k
220k
220k
100
0
0.01
10k
0.01
10k
22k
1000p
100
100
47
1k
0
*
*
*
BAND
SELECT
AM_IF
IN
FM_IF
IN
GND
RIPPLE
FILTER
L_CH
R_CH
PILOT
DET
PLL
LPF
GND_FE
REG
FM_OSC
AFC
AM_OSC
MUTE
FM
DISCRI
VCO
MPX
REG
PLL
LPF
GND
AM
IFT
FM/AM
DET,FM MPX
FRONT-END,IF AMP,
FM
TELESCOPIC
ANTENNA
SPEAKER
(R-CH)
BAND SWITCH
AM
IF
VCO
COVERAGE
AM FREQUENCY
FM FREQUENCY
COVERAGE
AM TRACKING
FM/AM
FE OUT
FM RF IN
AM RF IN
FM RF
LPF1
PILOT
DET
LPF2
ST IND
VCO CHECK
VCC
AFC1
AGC/
AGC/
AFC2
INO
TUNE
CT101
VDD
HOLD SW
POWER
BEEP
MUTE
WAKEUP
WAKEUP
LCD
BAND
BAND
TEST
HOLD
INTR1
INTR2
GND
FMIN
AMIN
VDD
DO1
DO2
VREG
VDET
ID
ID
AL SW1
AL SW2
AL SW3
LIGHT
RESET
XOUT
XIN
GND
VDB
VEE
VLCD
SP BEEP
ST/MO
DISPLAY
LIQUID CRYSTAL
FERRITE-BAR
AM
ANTENNA
L102
CT102
FM TRACKING
L102,CT101
L105
LCD301
L103,CT102
VOL
IN1
REG
VOL
NF1
GND1
OUT1
VCC
RIPPLE
OUT2
P-GND2
GND2
NF2
NC
NC
IN2
P-GND1
RADIO ON/SLEEP
MENU
LIGHT
SNOOZE
WORLD/LOCAL
SYSTEM
CONTROL
BUFFER
SWITCH
SWITCH
LPF
DC-DC
CONVERTER
Q401,402
LED DRIVER
LCD
BACK LIGHT
D301,302
( )
SPEAKER
BEEP
BEEP
BEEP
+B SWITCH
Q403,404
+1.5V REG
DETECT
DETECT
1.1V VOLTAGE
1.9V VOLTAGE
DETECT
2.1V VOLTAGE
RESET
POWER AMP
VOL,
DRY BATTERY
2PCS,3V
BAND/ENT
ON
OFF
HOLD
SWITCH
ST/MONO
(IEC DESIGNATION R03)
SIZE"AAA"
S311
ALARM
MODE
OFF
RADIO
BUZZER
AEP,E
US,JE
JE
US,AEP,E
BEEP
DRIVE
*C111
10p
2p
US,AEP,E MODEL
JE MODEL
JE MODEL
US,AEP,E MODEL
JE MODEL
JE MODEL
*D104
HVC202BTRU
HVC363BTRU
US,AEP,E MODEL
JE MODEL
HVC202BTRU
HVC363BTRU
*D103
OFF
(JOG SEITCH)
(JOG SEITCH)
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