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PRINTED WIRING BOARD

Main PWB(B2) section 1/2

- 12 -

EN-1286S-A

IC

Q

Main PWB(B2)

COMPONENT SIDE

1 2 3

4 5 6

7 8 9 10 11 12

13 14 15 16 17 18 19 20 21 22 23 24

J301 

TH24  HW

ANT101

Main ANT
(AM/FM1)

ANT102

Sub ANT

(FM2)

1

1

14

15

29

18

1

2 3 4

5 6 7 8 9 10 11 12

13 14 15 16 17 18 19 20 21 22 23 24

(GND)

(+B)

(P701)

To P701/702 of Sub PWB
(page 11)

(GND)

Q310

IC209

Q504

Q101

Q110

Q103

Q107

IC302

IC101

IC201

IC401

IC403

Q108

IC503

IC501

IC502

Q109

IC301

IC102

IC103

IC700

IC504

Q113

Q202

Q203

Q204

Q206

Q208

Q210

Q211

Q213

Q309

Q311

Q401

Q402

Q403

Q404

Q405

Q503

Q105

Q106

Q111

Q112

Q114

IC402

IC701

C164

L167

L168

R320

L108

Q310

(AMP-ON)

R321

R322

C305

IC209

(1.8V-REG)

R301

R101

R312

C339

C340

C342

C343

C344

C345

C346

C347

C327

R309

R324

C514

R749

C312

R116

C329

R417

C360

R123

C103

C401

C402

C403

C404

C406

Q504

(SYS+12V)

C106

C407

C408

C409

C410

C411

C121

L109

L106

Q101

L105

Q110

C163

C416

R113

C417

L110

C418

C419

C501

R105

C506

C503

C504

C507

D305

C502

C508

C239

C510

R255

R401

CCT401

C511

C512

C513

C108

C151

C515

C112

R114

CCT201

C136

C114

C102

C101

C301

R257

L107

R258

R260

R261

R263

C328

R152

R323

C302

C306

C105

R109

L221

R739

L104

Q103

Q107

C139

D312

IC302(1/2VCC)

R746

D302

C725

C724

R748

R747

R102

D401

D402

R120

R456

D504

C122

C119

D105

D506

D507

IC101

(DIAGNOSTIC)

1

12

24

13

R457

C104

C111

D103

R147

C115

IC201

(DSP)

R458

L222

IC401

(E2PROM)

1

IC403

(CAN-TRANCEVER)

1

R381

C109

Q108

R125

R451

C726

IC503

(B/U+5V)

1

IC501

(SYS+3.3V)

1

IC502(9V-REG)

D102

R128

R110

R129

R130

R124

Q109

L201

R121

R382

D104

R383

C113

C117

C140

SUP101

C141

R117

IC301

1

7

14

8

1

1

7

14

8

1

7

14

8

P301

C153

IC102

R306

IC103

(RDS-DEMOD)

L202

L203

R151

C145

L204

L205

C147

L120

R142

TM101

L101

L102

L103

L111

D108

R308

L112

L206

L208

R402

L210

IC700

(L)

L211

L212

L213

L214

L215

L216

L218

C311

R154

L401

C148

L113

L402

L501

L114

IC504

(B/U-DET)

1

L116

R155

R726

C154

C155

D101

C127

R403

Q113

C727

C284

R404
R405
R406

R325

Q202

Q203

Q204

Q206

Q208

Q210

Q211

Q213

R326

R737

C728

Q309(IR-IN)

C730

Q311(INFO-IN)

C135

Q401

C205

Q402

Q403

Q404

Q405

C206

C207

Q503

(TUN+9V)

Q105

C209

C158

C162

C132

Q106

R305

C505

C220

C221

R139

Q111

Q112

Q114

C222

C223

C224

C123

C144

C180

R131

R135

R118

C142

IC402

(AUDIO CPU)

C232

C125

C233

C234

C235

C138

C236

R112

R115

R132

R133

C237

C240

R134

P401(N.C.)

C241

C118

C242

R126

R407

R127

C243

R270

C133

BL251

(TMC TUNER)

C248

C509

C124

C254

C257

C128

C130

R146

C134

R340

R341

R342

R343

R344

R345

IC701

(R)

R138

D406

R137

C137

R355

D407

R143

R144

R145

R141

R149

R356

R150

C304

BL101

(AM/FM/RDS)

R201

R211

C268

R740

C269

R360

C731

R215

R362

R363

R217

R153
C146

L130

TM401

C272

R223

C310

R720

TM501

R727

C246

R156

R225

R226

R236

R237

R158

R159

R719

R292

R245

R247

R250

R302

R380

R307

R408

R409

R410

R413

R414

R415

R416

R419

R422

R434 R435

R437

R438

R439

R440

R441

R442

R443

R444

R445

R446

R447

R504

R505

R506

I

O

C116

R510

R515

R516

R517

R452

TM102

C150

SUP102

C126

X401

X101

C131

C143

C244

R304

C260

C267

C303

R303

R242

R729

C420

ANT102

C129

C149

R140

R460

ANT101

R290

R148

J301

R291

R453

C732

C733

(FL+)

(RL+)

(FR+)

(RR+)

(FL-)

(RL-)

(FR-)

(RR-)

C283

CCT202

C729

C706

R718

R717

C707

C718 C719

C712

R728

C713

R721

R738

1

8

16

9

1

36

37

72

144

109

108

73

1

25

26

50

51

45

76

100

1

24

C275

No.









10 
11 
12

Pin Name
M-CAN H1
M-CAN L1
ZT-L 
NC
IR-OUT
NC 
NC 
NC 
SPDIF GND 
NAVI IN(-)
TEL GND
TEL IN(-)

No.

13 
14 
15 
16 
17 
18 
19 
20 
21 
22 
23 
24

Pin Name
M-CAN H2
M-CAN L2
ZT-H 
NC
IR-GND 
IR-SIG
INPUT SYS-ON 
NC 
NC 
NAVI IN(+)
NAVI GND
TEL IN(+)

B/U

+5V

SYS+12V

SYS+9V

TUN+9V

1.8V

SYS+3.3V

Summary of Contents for EN-1286S-A

Page 1: ... 6 dBu MW 30 6 6 dBu FM 27 6 6 dBu External 6CD changer AUX Input section Separation More than 60dB IN 1kHz 1 2V OUT 0dB VOL MAX S N More than 80dB IN 1kHz 1 2V OUT 0dB VOL MAX Distortion Less than 0 1 IN 1kHz 1 2V General Load impedance 2k ohm Pre out 4ch Maximum output 3 9V 2dB B U consumption Less than 0 25A Power supply voltage 13 2V DC 10 5V to 16V Ground Negative Dimensions mm 187 4 W x 58 2...

Page 2: ... age is caused due to negligence of repair the legal responsi bility shall be with the repairing company 5 Cautions in soldering Please do not spread liquid flux in soldering Please do not wash the soldering point after soldering 6 Cautions in soldering for chip capacitors Please solder the chip capacitors after pre heating for replace ment because they are very weak to heat Please do not heat the...

Page 3: ...b Antenna Receptacle FM2 J701 ISO 36P A B C No 1 2 3 4 5 6 7 8 Pin Name REAR RCH REAR RCH FRONT RCH FRONT RCH FRONT LEFT FRONT LEFT REAR LEFT REAR LEFT No 1 2 3 4 5 6 7 8 Pin Name NC GND NC B U NC NC NC GND No 1 2 3 4 5 6 7 8 9 10 Pin Name EXT AMP ON INFO LINE IN INFO LINE REF LINE IN RCH SHIELD AUDIO LINE IN LCH N C N C EXT AMP ON N C No 11 12 13 14 15 16 17 18 19 20 Pin Name N C S WOOF SHD UART ...

Page 4: ...O I F I F NAVI AUDIO 4CH AUDIO PRE OUTPUT IC700 IC701 B U FILTER SPDIF AUDIO I F U ART I F AUX AUDIO INPUT AUX ON SIGNAL POWER SUPPLY SYS 12V Q504 VDD 5V IC503 SYS 9V IC502 SYS 3 3V IC501 SYS 1 8V IC209 SYS 5V Q506 TUNER 9V Q503 TUNER 5V 1 2 SYS 9V IC302 Q501 RADIO FM AM RADIO FM SPDIF AUX AUDIO OUTPUT NAVI TEL B U GND SYS ON J701 J701 J701 J701 J701 FROM ITM FROM ITM J301 J301 J301 J301 J301 J701...

Page 5: ... O Not in use pin 51 NU O Not in use pin 52 NU O Not in use pin 53 NU O Not in use pin 54 NU O Not in use pin 55 DSP INT IN Initial signal input from the DSP IC pin 56 MT MUTE O Main tuner mute output pin 57 MT SAMPLE IN Main tuner sample input pin 58 NU O Not in use pin 59 ST SAMPLE IN Sub tuner sample input pin 60 VDD Positive voltage supply pin 61 NU O Not in use pin 62 GND Ground pin 63 ST HOL...

Page 6: ...6 4B MACHINE SCREW M3x6 2 11 074 1159 01 OUTLET SOCKET ISO 36P 1 12 076 0324 12 PLUG 2 13 MAIN PWB 1 14 074 1302 24 OUTLET SOCKET TH24 1 15 331 3835 00 TR HOLDER 1 16 092 2229 00 ANT RECEPT W 1 17 092 2230 00 ANT RECEPT Y 1 18 331 4265 00 ANT HOLDER 1 19 880 2026B TUNER PACK 1 20 880 1761A TMC TUNER PACK 1 21 331 4267 00 SHIELD CASE 1 22 307 0726 00 REAR CVR 1 23 778 3006 00 TAP SCREW M3x5 2 24 71...

Page 7: ...007 50 10pF CH C216 168 1022 55 1000pF K C217 043 0559 90 6 3V 22uF C218 168 1022 55 1000pF K C220 166 1011 50 100pF CH C221 163 4753 65 50V 4 7uF C222 168 1042 78 16V 0 1uF C223 168 1042 78 16V 0 1uF C224 163 4753 65 50V 4 7uF C225 166 1511 50 150pF CH C226 166 1511 50 150pF CH C227 166 1011 50 100pF CH C228 166 1011 50 100pF CH C229 166 1011 50 100pF CH C232 168 2232 55 0 022uF K C233 163 2273 2...

Page 8: ... 010 3105 62 1k ohm 100MHz L216 010 3105 62 1k ohm 100MHz L218 010 3105 62 1k ohm 100MHz L220 010 3103 50 1500 ohm 100MHz L221 010 3103 50 1500 ohm 100MHz L222 010 3103 50 1500 ohm 100MHz L401 010 3601 50 600 ohm 100MHz L402 010 3406 54 2 2uH J L501 010 8028 00 520uH P401 076 0478 59 PLUG 9P Q101 192 2223 13 2SC2223 T1B Q102 190 1162 00 2SA1162 Q103 192 2223 13 2SC2223 T1B Q104 190 1162 00 2SA1162...

Page 9: ...3 119 1021 15 1 10W 1k ohm R404 119 1021 15 1 10W 1k ohm R405 119 1021 15 1 10W 1k ohm R406 119 1021 15 1 10W 1k ohm R407 119 4721 15 1 10W 4 7k ohm R408 119 4721 15 1 10W 4 7k ohm R409 119 4721 15 1 10W 4 7k ohm R410 119 4721 15 1 10W 4 7k ohm R411 119 1011 15 1 10W 100 ohm R412 119 1011 15 1 10W 100 ohm R413 119 1011 15 1 10W 100 ohm R414 119 1011 15 1 10W 100 ohm R415 119 1011 15 1 10W 100 ohm ...

Page 10: ...n 0 35vpp 41 6MHz 2 5 IC201 PIN136 137 143 144 IF AD A01 1 25n 150mVpp 10 7MHz 䋨㪠㫋㩷㪻㪼㫇㪼㫅㪻㫊㩷㫆㫅㩷㪪㪞㩷㫀㫅㫇㫌㫋㩷㫃㪼㫍㪼㫃䋩 4 5 IC402 PIN3 SDA B05 1 2m 5Vpp 50uS 10uS Pulse 㪻㫌㫉㪸㫋㫀㫆㫅䋩 4 5 IC402 PIN4 SCL B05 1 2m 5Vpp 50uS 10uS Pulse 㪻㫌㫉㪸㫋㫀㫆㫅䋩 4 5 IC402 PIN11 OSC OUT A01 0 5 25n 0 4vpp 10MHz 4 5 IC402 PIN13 OSC IN A01 0 1 25n 2vpp 10MHz 4 5 IC402 PIN17 M CAN RX B05 0 5 5m 4vpp 2uS 8uS Pulse 㪻㫌㫉㪸㫋㫀㫆㫅䋩 4 5 IC402 PI...

Page 11: ...CDC GND CIRCUIT DIAGRAM Sub PWB B1 section 11 EN 1286S A C C C C C C C C C705 C707 C709 P702 To P301 of Main PWB page 16 To Main PWB 5 5 page 18 P701 J701 C704 C706 C708 C710 0 022 0 022 0 022 C711 0 022 ZJYS51R5 2PB L601 0 022 0 022 0 022 0 022 GND NC B GND RR FR FL RL RR FR FL RL INFO IN INFO IN LINE REF LINE REF LINE R LINE R LINE L LINE L FR FR FL FL RR RR RL RL SWF HU 6CD HU 6CD SWF SPDIF CDC...

Page 12: ... C145 L204 L205 C147 L120 R142 TM101 L101 L102 L103 L111 D108 R308 L112 L206 L208 R402 L210 IC700 L L211 L212 L213 L214 L215 L216 L218 C311 R154 L401 C148 L113 L402 L501 L114 IC504 B U DET 1 L116 R155 R726 C154 C155 D101 C127 R403 Q113 C727 C284 R404 R405 R406 R325 Q202 Q203 Q204 Q206 Q208 Q210 Q211 Q213 R326 R737 C728 Q309 IR IN C730 Q311 INFO IN C135 Q401 C205 Q402 Q403 Q404 Q405 C206 C207 Q503 ...

Page 13: ...C278 C204 C211 R730 R731 Q205 Q209 Q212 Q301 SYS ON DET C703 C422 Q501 TUN 5V Q502 TUN ON Q505 Q506 SYS 5V Q507 SYS ON C214 R725 R361 C215 Q102 C216 C226 C227 C228 C229 R103 R104 R106 R157 C262 R711 R107 R108 R111 R119 C250 R346 C251 C252 C253 C258 R347 R349 R212 R202 C282 R203 R206 R207 R208 R209 R210 R213 C279 R214 R216 C280 R298 C705 R218 R219 R220 R221 R222 R224 R454 R238 C245 R411 R239 R244 C...

Page 14: ...22p 1200p 1000p 0 047 0 1 0 039 1200p 0 047 0 047 RED RF SPLIT 2SC2223 2SC2223 2SD1306 2SA1162 2SD1306 1 8K 56K 470 2 2K 56K 4 7K 1K 150 680 680 150 2 2 18p DTC114EUA DTC114EUA 1SS352 1SS352 1SS352 BROWN RF SPLIT 18p 33p 47p 100p 100p ANT RECEPT ANT RECEPT 100 100 2 2mH HVM187S 1SS271 SW AM FM DSP2TUNER RDS DSP1TUNER 1mH NJM4558V 4 33M EARTH PLATE EARTH PLATE 3 3K 4 7K 47 4p 1K 39p 100 16V 2 2mH 8...

Page 15: ...L2 PAUSE1 AUX R AUX L AUX R AUX SGND AUX L FR FL FR RL RR RL SPDIF CDC NAVI SIG NAVI SIG TEL SIG TEL SIG PAUSE1 INTL SS MS S SPL S HLD M SPL MH RDS DA1 RDS CL1 RDS CL2 M HLD RDS DA2 CL1 CL2 DA2 DA1 SH DSP RST HLD MUTE DSP P1 DSP INTL AUX R AUX L S AGC S SM M SM SPDIF CDC SPDIF CDC AUX SGND M SPL MS M HLD SS SH S HLD S SPL DSP SDA DSP SCL MH FL RR M AGC AUX REF S HLD S SPL M HLD VDDA 1 8 VADCP VADC...

Page 16: ...560p 22p 22p 22p 22p 560p 560p 10K 10K 10K 10K 10K 10K 1SS352 1SS352 0 1 0 1 0 1 0 1 220 10V A 220p 10K 13K NJM2060V NJM4558V TH24 TEL NAVI MCAN IR 10K 10K 22p 47 16V 47K 62 1 4W 62 1 4W S GND SYS 9V SYS 9V 1 2VCC INFO IN DSP AMP SYS 5V COM CPU B U GND CPU AMP S GND AUDIO DSP TEL NAVI SYS 9V SYS 12V DIFF OUT LPF OUT SYS 9V 1 2SYS 9V S GND RL FR TEL SIG TEL SIG NAVI SIG NAVI SIG SPDIF CDC AUX L AUX...

Page 17: ...U DIAG CPU COM CPU CPU AMP CPU POW D GND B U DET SYS ON S SDA S SCL 44 39 7 7 39 44 M CAN H M CAN L RDS CL1 RDS CL2 RDS DA1 REQ 6CD HU HU 6CD DSP INTL HLD MUTE M SPL S SPL S HLD S SM DSP P1 M HLD M SM NOISE S METER PHA ON1 PHA ON2 D STBY WAR P L REQ 6CD HU HU 6CD AMP ON IR IN SYS DET DIAG SCL DIAG SDA DSP RST DSP SCL DSP SDA REQ 6CD HU INFO AUX RDS CLK RDS DA2 RDS DATA TMC SCL TMC SDA NOISE OFF PH...

Page 18: ...3 10V 33 10V 33 10V 33 10V 33 10V 33 10V DTC114EUA 1SS352 1SS352 2SB1197K 2SB1197K 2SB1205 2SC4081 2SC5886 RR264M 400 DTC143EUA 10K 10K 56K 10K 10K 56K 3 3K 1M 2 2 2 2 1SS352 0 1 0 01 0 01 NJM2060V NJM2060V EARTH PLATE S 80827ANMP EDQ BD3931FP 5V REG LD1085P 9VREG 3K F 1K F 3K F NJM2396F33 3 3V REG 22K 33 3 3K 22K 15K 33 33 22K 56K 1M 33 15K 22K 0 01 2 2 3 3K 1M 22K 15K 33 56p 22K 33 33 22K 33 15K...

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