Sony ICF-C1200 Service Manual Download Page 10

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ICF-C1200

4-5. SCHEMATIC DIAGRAM

Refer to page 11 for Notes.

Refer to page 11 for IC Block Diagrams.

Refer to page 11 for Waveforms.

IC101

L106

C119

T101

C118

D105

D109

C102

C103

L101
0.1uH

CF102

CF103

C120

C121

C122

C124

C125

R117

R118

R119

R120

C127

R121

ANT101

S10

S11

S12

S13

S14

S15

S16

COM4

COM3

COM2

COM1

S17
S18

S19
S20

S21

S22

KS1

KS2

KS3

KR1

KR2

KR3

R373

R374

R377
R302

R303

R304
R305

R306
R307

R308
R309

R310

R311
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

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

C313
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

R386

R323

R338

R206

R207

L203
4.7uH

L202
4.7uH

Q206

C111

C324

D104

C112

D103

R130

R116

C128

R129

RV201

R203

R204

L105

R364

R362

R375
R376

R388

R387

C325

R318

C326

R343

R390

C402

R335

R336

R389

R131

R392

CXA1238N

0.01

470p

1SS302

1000p

100

0.033

3.3k

33k

0.47

2.2k

470k

470k
1k

1k
1k

470k

2200p

470k

220k

XC61CN1102N

S-80819ANNP

UN9210

2SB815

2SB1462

2SD1048

2SD2216

S-81218SG

1000p

470k

100k

10k

MA77

470k

10k

100k

2SC4627

3.3k

100k

22k

220

100

2.2k

-2

SVG347S

-1

SVG347S

0.022

1000p

15p

22p

82p

47k

4.7k

47k

10
4V

0.1

220

100

0.1

4.7k

100k

SL1-343YCT

10p

0.1

10
4V

0.1

MA2S111

220k

100k

47k

0.1

10k

220k

10k

0.33

1000p

RB521S

10k

1000p

0.01

0.1

0.47

PAS

220

RB521S

10
4V

10k

0.01

0.1

10k

1000p

10
4V

100

0.01

470k

TC9328AF

470k

2SD2216

MA8130

2.2k

22k

22
4V

0.01

4.7

100p

0.1

10
4V

10k

100k

0.1

10 4V
0.1

10p
15p

75kHz

4.7k

0.1

UN9210

2SD2216
FM MUTE

2SB815

2SD1048

XC61CN0902NR

S-80821ANNP

UN9210

1000p

CXA1522N

RB521S

1k
1k

100k

220

2SB1462

1000p

220

4.7uH

1.7

20k

1.8k

4.7k

220k

220k
220k

100

0.01

10k

0.01

10k

22k

1000p

100

BAND

SELECT

AM_IF

FM_IF

GND

RIPPLE

FILTER

L_CH

R_CH

PILOT

DET

PLL

LPF

GND_FE

REG

FM_OSC

AFC

AM_OSC

MUTE

DISCRI

VCO

MPX

REG

PLL

LPF

GND

IFT

FM/AM

DET,FM MPX

FRONT-END,IF AMP,

TELESCOPIC

ANTENNA

SPEAKER

(R-CH)

BAND SWITCH

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/

AFC2

INO

TUNE

CT101

VDD

HOLD SW

POWER

BEEP

MUTE
WAKEUP

LCD
BAND

TEST

HOLD

INTR1

INTR2

GND

FMIN

AMIN

VDD

DO1

DO2

VREG

VDET

AL SW1

AL SW2

AL SW3

LIGHT

RESET

XOUT

XIN

GND

VDB

VEE

VLCD

SP BEEP

ST/MO

DISPLAY

LIQUID CRYSTAL

FERRITE-BAR

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

IN2

P-GND1

RADIO ON/SLEEP

LIGHT

SNOOZE

WORLD/LOCAL

SYSTEM

CONTROL

BUFFER

SWITCH

LPF

DC-DC

CONVERTER

Q401,402

LED DRIVER

LCD

BACK LIGHT

D301,302

( )

SPEAKER

BEEP

+B SWITCH

Q403,404

+1.5V REG

DETECT

1.1V VOLTAGE

1.9V VOLTAGE

DETECT

2.1V VOLTAGE

RESET

POWER AMP

VOL,

DRY BATTERY

2PCS,3V

BAND/ENT

OFF

HOLD

SWITCH

ST/MONO

(IEC DESIGNATION R03)

SIZE"AAA"

S311

ALARM

MODE

OFF

RADIO

BUZZER

AEP,E

US,JE

US,AEP,E

BEEP

DRIVE

*C111

10p

US,AEP,E MODEL
JE MODEL

*D104

HVC202BTRU
HVC363BTRU

US,AEP,E MODEL

JE MODEL

HVC202BTRU

HVC363BTRU

*D103

OFF

(JOG SEITCH)

Summary of Contents for ICF-C1200

Page 1: ... ICF C1200 SERVICE MANUAL FM STEREO AM PLL SYNTHESIZED RADIO SPECIFICATIONS US Model AEP Model E Model Tourist Model 9 873 106 11 2001C0200 1 2001 3 Sony Corporation Audio Entertainment Group General Engineering Dept ...

Page 2: ...ed with the lead free mark LF indicating the solder contains no lead Caution Some printed circuit boards may not come printed with the lead free mark due to their particular size LEAD FREE MARK Unleaded solder has the following characteristics Unleaded solder melts at a temperature about 40 C higher than ordinary solder Ordinary soldering irons can be used but the iron tip has to be applied to the...

Page 3: ... 5 Claw 5 Claw 5 Claw 7 Remove solder three places Red Cabinet rear ASSY 6 8 3 1 5 Claw Cabinet front ASSY Main board Knob HOLD ANT101 S301 Brown Caution during assembly Align the hold switch S301 to the knob HOLD Black Note Follow the disassembly procedure in the numerical order given ...

Page 4: ...m reading on level meter T101 1485kHz 1480kHz AM FREQUENCY COVERAGE ADJUSTMENT Adjust part Frequency display L105 531kHz 530kHz reading on digital voltmeter Adjustment value 2 7V Standaed value 2 5 to 2 9V AM TRACKING ADJUSTMENT Adjust for a maximum reading on level meter L 102 585kHz 580kHz CT101 1 485kHz 1 480kHz Frequency Coverage Adjustment Connect Location FM FREQUENCY COVERAGE CONFIRMATION A...

Page 5: ...nal generator Carrier frequency 98MHz Modulation No modulation Output level 1 38mV 55dB set telescopic antenna terminal 0 01 F µ 1 Connect the frequency counter toTP 76k andTP 3V as shown the figure below 2 Turn the set to 98MHz 3 Adjust RV101 for 76kHz reading frequency counter Standard value 75 5kHz to 76 5kHz Adjustment Location MAIN BOARD SIDE A CT101 AM Tracking Adjustment L102 AM Tracking Ad...

Page 6: ... 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 s...

Page 7: ...UID 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 MPX DECODER AMP FM IF DISCRI AM IF DET DET PILOT S22 S1 COM0 COM4 VCC AM RF FM FM 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 ...

Page 8: ...01 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 M...

Page 9: ...CB 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 ex...

Page 10: ...2216 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 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 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 ...

Page 11: ...aveforms are dc with respect to ground under no signal detuned conditions no mark FM AM Voltages are taken with a VOM Input impedance 10 MΩ Voltage variations may be noted due to normal produc tion tolerances Waveforms are taken with a oscilloscope Voltage variations may be noted due to normal produc tion tolerances Circled numbers refer to waveforms Signal path F Analog f Digital Abbreviation JE ...

Page 12: ...T RIPPLE FILTER AUTOBLEND BAND PASS MUTE TUNING INDICATOR FM IF DISCRI AM IF DET GND PLL LPF MPX REG VCO FM DISCRI MUTE AM OSC AFC FM OSC REG 1 25V FM RF AM RF IN FM RF IN BAND SELECT AM IF IN FM IF IN TUNING GND VCC L CH OUT R CH OUT VCO PILOT LPF DET PLL LPF AFC AGC AGC AFC RIPPLE FILTER FE GND FM AM FE OUT REG VOL PRE POWER1 PRE POWER2 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 IN1 REG NF1 VOL GND1...

Page 13: ... CASE LCD SHIELD 14 7 621 771 06 SCREW B 2X5 15 3 229 730 01 KNOB ALARM 17 X 3380 788 1 CABINET FRONT ASSY 19 3 229 739 01 CAP 20 3 229 736 01 BUTTON SNOOZE 21 3 229 740 01 HOLDER JOG 22 3 229 744 01 SPRING JOG TORSION 23 3 229 738 01 KNOB JOG 24 3 229 745 01 SPRING JOG COMPRESSION 25 3 229 737 01 BUTTON ENTER 26 3 229 739 11 CAP 27 7 623 505 01 LUG 2 28 3 232 666 01 PAPER ADHESIVE SECONDARY BATTE...

Page 14: ...124 1 164 677 11 CERAMIC CHIP 0 033uF 10 16V C125 1 164 677 11 CERAMIC CHIP 0 033uF 10 16V C126 1 115 156 11 CERAMIC CHIP 1uF 10V C127 1 113 619 11 CERAMIC CHIP 0 47uF 10V C128 1 135 151 21 TANTALUM CHIP 4 7uF 20 4V C201 1 115 156 11 CERAMIC CHIP 1uF 10V C202 1 115 156 11 CERAMIC CHIP 1uF 10V C203 1 135 201 11 TANTALUM CHIP 10uF 20 4V C204 1 107 820 11 CERAMIC CHIP 0 1uF 16V C205 1 125 837 11 CERA...

Page 15: ...693 11 INDUCTOR 150nH FM FREQUENCY COVERAGE JE L104 1 414 690 21 INDUCTOR 82nH FM FREQUENCY COVERAGE US AEP E L105 1 406 258 21 COIL OSC AM FREQUENCY COVERAGE L106 1 412 987 31 INDUCTOR 4 7uH L201 1 412 987 31 INDUCTOR 4 7uH L202 1 412 987 31 INDUCTOR 4 7uH L203 1 412 987 31 INDUCTOR 4 7uH LIQUID CRYSTAL DISPLAY LCD101 1 804 341 11 DISPLAY PANEL LIQUID CRYSTAL TRANSISTOR Q101 8 729 037 92 TRANSIST...

Page 16: ... 218 953 11 RES CHIP 1K 5 1 16W R340 1 218 953 11 RES CHIP 1K 5 1 16W R341 1 218 953 11 RES CHIP 1K 5 1 16W R342 1 218 989 11 RES CHIP 1M 5 1 16W R343 1 218 965 11 RES CHIP 10K 5 1 16W R344 1 218 965 11 RES CHIP 10K 5 1 16W R345 1 218 953 11 RES CHIP 1K 5 1 16W R346 1 218 989 11 RES CHIP 1M 5 1 16W R349 1 218 953 11 RES CHIP 1K 5 1 16W R350 1 218 989 11 RES CHIP 1M 5 1 16W R351 1 218 965 11 RES CH...

Page 17: ... IF AM AM IF T401 1 449 021 21 COIL DC DC CONVERTER VIBRATOR X301 1 795 329 21 VIBRATOR CRYSTAL 75kHz MISCELLANEOUS 11 1 694 596 11 CONDUCTIVE BOARD CONNECTION L102 1 501 974 41 ANTENNA FERRITE BAR MW AM TRACKING SP101 1 529 187 11 SPEAKER 2 8cm ANT101 1 754 183 11 ANTENNA TELESCOPIC LCD101 1 804 341 11 DISPLAY PANEL LIQUID CRYSTAL ACCESSORIES PACKING MATERIALS 3 229 569 01 MANUAL INSTRUCTION JAPA...

Page 18: ...king the version allows you to jump to the revised page Also clicking the version at the upper right on the revised page allows you to jump to the next revised page Ver Date Description of Revision 1 0 2001 03 New ICF C1200 ...

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