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Pioneer KEX-M8406ZT-91/UC, Service Manual

The Pioneer KEX-M8406ZT-91/UC Service Manual is an essential guide for troubleshooting and maintaining your audio system. Discover the detailed instructions and diagrams for successful repairs and adjustments for this product. Download this manual for free at manualshive.com, ensuring smooth and hassle-free usage of your Pioneer KEX-M8406ZT-91/UC.

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35

KEX-M8406ZT,M8406ZT-91,M9406ZT,M9406ZT-91

R

211

RS1/16S223J

R

214

RS1/16S393J

R

215

RS1/16S104J

R

230

RS1/16S0R0J

R

231

RS1/16S242J

R

232

RS1/16S473J

R

237

RS1/16S103J

R

238

RS1/16S104J

R

239

RS1/16S104J

R

240

RS1/16S103J

R

241

RS1/16S202J

R

243

RS1/16S123J

R

244

RS1/16S103J

R

246

RS1/16S0R0J

R

247

RS1/10S303J

R

248

RS1/16S0R0J

R

250

RS1/16S0R0J

CAPACITORS

C

1

CCSRCH220J50

C

2

CKSRYB222K50

C

3

CCSRCH4R0D50

C

5

CKSRYB222K50

C

6

CKSQYB473K16

C

7

CKSQYB473K16

C

8

CKSQYB104K16

C

9

CKSRYB222K50

C

10

CEAL1R0M50

C

11

CCSRCH470J50

C

12

CCSRCJ3R0C50

C

13

CKSRYB222K50

C

15

CCSRCJ3R0D50

C

17

CCSRCH120J50

C

18

CKSRYB103K25

C

19

CCSRCH120J50

C

20

CKSRYB222K50

C

21

CEAL100M16

C

22

CCSRRH100D50

C

23

CCSRRH150J50

C

24

CCSRCH471J50

C

30

CCSRRH201J50

C

31

CKSRYB103K25

C

32

CKSQYB473K16

C

33

CCSRCH220J50

C

34

CCSRCH4R0D50

C

41

CKSQYB104K16

C

51

CKSRYB223K25

C

52

CKSRYB103K25

C

54

CCSRCH470J50

C

55

CKSQYB223K25

C

56

CKSQYB104K16

C

57

CKSRYB472K50

C

58

CEJA330M10

C

59

CKSRYB103K25

C

61

CCSRCH270J50

C

62

CKSRYB103K25

C

63

CEALR22M50

C

65

CKSQYB104K16

C

101

CEALNP100M10

C

102

CKSRYB182K50

C

103

CKSQYB682K50

C

104

CEAL2R2M50

C

105

CKSRYB103K25

C

106

CCSRCH151J50

C

107

CKSRYB103K25

C

151

CKSRYB562K25

C

152

CKSQYB104K16

C

153

CEAL3R3M50

C

154

CKSQYB104K16

C

157

CEAL3R3M50

C

158

CKSYB474K16

C

159

CEAL220M6R3

C

160

CKSQYB104K16

C

161

CKSQYB104K16

C

162

CEAL3R3M50

C

163

CKSRYB102K50

C

165

CCSRCH100D50

C

201

CKSRYB103K25

C

202

CCSRCH100D50

C

203

CKSRYB332K50

C

204

CKSQYB473K16

C

205

CKSQYB473K16

C

206

CKSRYB103K25

C

207

CCSRCH120J50

C

211

CCSRCH560J50

C

212

CEAL680M10

C

213

CKSRYB103K25

C

214

CKSQYB225K10

C

215

CCSRCH680J50

C

216

CCSRCH101J50

C

217

CEAL2R2M50

C

219

CKSRYB223K25

C

220

CKSRYB103K25

C

221

CKSRYB103K25

C

230

CKSQYB104K16

C

231

CCSRCH330J50

C

232

CCSRCH150J50

C

233

CKSRYB103K25

C

234

CEJA330M10

C

235

CKSRYB332K50

C

236

CKSQYB473K16

C

237

CCSRTH180J50

C

239

CKSRYB103K25

C

240

CKSYB104K16

C

241

CKSQYB104K16

C

242

CEALR47M50

C

244

CKSQYB473K16

C

245

CKSQYB103K25

C

248

CKSQYB334K16

C

250

CCSRCJ3R0C50

Unit Number : CWM7090
Unit Name

: Main Unit

MISCELLANEOUS

IC

201

IC

PM2007A

IC

202

IC

LA1061M

IC

203

IC

HA12181FP

IC

204

IC

PM4006B

IC

205

IC

NJM2903M

IC

601

IC

PD5579A

IC

602

IC

S-80736AN-D0

IC

681

IC

HA12187FP

IC

701

IC

NJM2068MD

IC

702

IC

NJM2068MD

IC

703

IC

NJM2068MD

IC

781

IC

TC74HC4066AF

Q

201

Chip Transistor

2SC2712

Q

202

Transistor

IMH11A

Q

203

Transistor

IMX1

Q

204

Chip Transistor

2SC2712

Q

205

Chip Transistor

2SC2712

Q

206

Chip Transistor

2SC2712

Q

301

Chip Transistor

2SC2712

Q

302

Transistor

DTC144TK

=====Circuit Symbol and No.===Part Name

Part No.

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=====Circuit Symbol and No.===Part Name

Part No.

---

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-------------------------

A

Summary of Contents for KEX-M8406ZT-91/UC

Page 1: ...OTA PART No ID No PIONEER MODEL No LEXUS GS430 U S A CANADA August 2000 86120 3A521 P1718 KEX M8406ZT UC LEXUS GS430 U S A CANADA August 2000 86120 3A521 P1718 KEX M8406ZT 91 UC LEXUS GS430 U S A CANADA August 2000 86120 3A750 P1723 KEX M9406ZT UC LEXUS GS430 U S A CANADA August 2000 86120 3A750 P1723 KEX M9406ZT 91 UC GS430 Service Manual ...

Page 2: ...5 CHA2025 Contain Box CHL4166 CHL4167 Protector CHP2331 CHP2331 KEX M9406ZT UC ID No P1718 ID No P1723 This service manual should be used together with the following manual s Model Order No Mech Module Remarks CX 631 CRT1640 2L Cassette Mech Module Mech Description CONTENTS 1 SAFETY INFORMATION 3 2 EXPLODED VIEWS AND PARTS LIST 4 3 BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 8 4 PCB CONNECTION DIAGRAM 22 ...

Page 3: ...test equipment and tools and have been trained to properly and safely repair complex products such as those covered by this manual Improperly performed repairs can adversely affect the safety and reliability of the product and may void the warranty If you are not qualified to perform the repair of this product properly and safely you should not risk trying to do so and refer the repair to a qualif...

Page 4: ... 52 23 49 51 23 53 39 39 40 31 61 56 54 55 24 25 27 26 32 34 35 36 56 55 54 61 57 43 42 58 59 38 41 28 29 30 33 48 46 23 45 47 23 23 23 61 23 20 21 23 37 23 37 5 2 22 2 2 2 2 15 16 61 9 9 9 11 13 12 63 62 19 14 17 7 8 8 18 8 6 10 44 2 EXPLODED VIEWS AND PARTS LIST 2 1 EXTERIOR ...

Page 5: ...0 Button 5 6 CAC5276 31 Button SEEK TRACK CAC6543 32 Button DISC CAC6544 33 Button SCAN MSG CAC6545 34 Button RDS CAC6546 35 Button TRAF CAC6547 36 Button TYPE CAC6548 37 Holder CNC7052 38 Holder CNV4738 39 Holder CNV4739 40 Holder CNV4740 41 Holder CNV4741 42 Lighting Conductor CNV4883 43 Holder CNV5337 44 Keyboard Unit CWM7101 45 Socket CN902 CKS3548 46 Socket CN901 CKS3555 47 Socket CN903 CKS39...

Page 6: ...6 KEX M8406ZT M8406ZT 91 M9406ZT M9406ZT 91 2 2 CASSETTE MECHANISM MODULE ...

Page 7: ...ENR1023 30 Belt ENT1027 31 Gear ENV1347 32 Collar ENV1508 33 Gear ENV1350 34 Flywheel ENV1500 35 Worm Gear ENV1439 36 Worm Wheel ENV1440 37 Gear ENR1037 38 Lever ENV1533 39 Arm ENV1525 40 Gathering PCB ENX1037 41 Gathering PCB ENX1060 42 Switch S1 S2 ESG1004 43 Motor Unit M2 SUB EXA1382 44 Chassis Unit EXA1559 45 Tube ENM1039 46 Roller ENR1027 47 Reel Unit EXA1560 48 Head Base Unit EXA1434 49 Leve...

Page 8: ...AD LOAD SWITCH SWITCH MODE SENSE FWD SENSE REV SENSE 1 4 5 4 3 20 FWD LcH REV LcH 2 3 8 1 6 4 2 3 8 1 6 4 41 9 10 34 6 38 36 32 14 15 17 19 30 31 28 47 1 2 19 40 7 43 Lch FMSL AMSL STO AMDET ST COMP FMSD PNS S 80736AN D0 IC703 2 1 RESET VDD Q573 Q576 Q578 Q577 Q572 Q575 Q571 Q574 HA12181FP IC203 AM NOISE CANCELLER 3 AM L 16 Q M Q M FM L AM L Q551 Q552 Q553 LCD BACK LIGHT SWITCH BLPW BLPW IC951 LCD...

Page 9: ...IC203 AM NOISE ANCELLER 9 16 Q703 MUTE Q705 MUTE Q701 AM L TUNER L 2 1 2 1 2 1 KEY MATRIX 19 20 6 5 S903 EJECT 1 4 3 22 POWER VOLGND ENC1M ENC2P CN901 24 21 4 15 CN651 KD1 POWER ENC1M POWER 53 54 55 S901 POWER VOL K TAPE L AMMT FMMT AMMT FMMT 37 38 51 ENC1P DSSILL SYSTEM CONTROLLER IC601 PDI PCK PDO PCE SL SD 95 90 ST 89 AMPW AMPW 44 FMPW 43 AUD B 73 75 23 ASEN BSEN ISEN HA12187FP IC681 AVC LAN 6 ...

Page 10: ...TS LIST or ELECTRICAL PARTS LIST A CASSETTE MECHANISM MODULE SYSTEM MUTE MIX AMP TAPE MUTE TUNER MUTE RBDS DECODER AM PNS FM DIVERSITY PLL FM 26dBs 400Hz 30 AM 16dBs 400Hz 30 TAPE 8dBs FM 18dBs AM 18dBs TAPE 4dBs AM FM AM AM AM AM AM FM AM FM B A MAIN UNIT C D E F CN901 A a A a A a A b A b A a A a A b A b A b A b A a A a Large size SCH diagram Guide page Detailed page ...

Page 11: ...L 8V REGULATOR ILL DIMMER CONTROL ANALOG SW CONTROL AND BU MUTE LCDBL DRIVE ILL DRIVE AVC LAN MUTE 5V REGULATOR AUDIO 8V REGULATOR BU ACC ILL SENSE ANALOG SWITCH AUDIO 4V UNBAL BAL RESET FM 13dBs AM 13dBs TAPE 1dBs FM 13dBs AM 13dBs TAPE 1dBs 8V F CN902 ILL DIRECT SOURCE DRIVE A b ...

Page 12: ...12 KEX M8406ZT M8406ZT 91 M9406ZT M9406ZT 91 A 1 2 3 4 B C D 1 2 3 4 A a A a A b FM DIVERSITY PLL FM 26dBs 400Hz 30 AM 16dBs 400Hz 30 AM FM B A MAIN UNIT F CN901 1 2 3 ...

Page 13: ...406ZT 91 5 6 7 8 A B C D 5 6 7 8 A a A a A b CASSETTE MECHANISM MODULE UNBAL BAL SYSTEM MUTE MIX AMP TAPE MUTE TUNER MUTE RBDS DECODER AM PNS TAPE 8dBs FM 18dBs AM 18dBs TAPE 4dBs FM 13dBs AM 13dB TAPE 1d AM AM AM AM AM FM AM FM C D E 4 5 ...

Page 14: ...06ZT 91 M9406ZT M9406ZT 91 A 1 2 3 4 B C D 1 2 3 4 A a A b A b 5V ILL 8V REGULATOR ILL DIMMER CONTROL ANALOG SW CONTROL AND BU MUTE ILL DIRECT SOURCE DRIVE LCDBL DRIVE ILL DRIVE AVC LAN MUTE 5V REGULATOR 8V F CN902 1 2 3 ...

Page 15: ...ZT M8406ZT 91 M9406ZT M9406ZT 91 5 6 7 8 A B C D 5 6 7 8 A b A a A b 8V 5V 5V REGULATOR AUDIO 8V REGULATOR BU ACC ILL SENSE ANALOG SWITCH AUDIO 4V L RESET FM 13dBs AM 13dBs TAPE 1dBs FM 13dBs AM 13dBs TAPE 1dBs 4 5 ...

Page 16: ...1 M9406ZT M9406ZT 91 A 1 2 3 4 B C D 1 2 3 4 3 3 FM AM TUNER UNIT B FM AM FM FM FM FM FM FM AM AM AM AM AM FM AM FM AM FM AM FM AM FM AM FM AM AM FM FM AM FM FM AM AM AM AM AM RF FM FRONT END FM OSC AM OSC B A FM AM TUNER UNIT ...

Page 17: ...KEX M8406ZT M8406ZT 91 M9406ZT M9406ZT 91 5 6 7 8 A B C D 5 6 7 8 17 B FM M FM FM FM FM FM AM AM AM AM AM FM AM FM AM PNS FM IF ...

Page 18: ... NCT 150 400Hz 200nWb m RL RR FR FL C302 R1 VR302 33K B 8 24dBs 300mV 1dB Fwd R Fwd L Rev R Rev L NFI L RIN L RIP FIN L GND GND FIN R VREF RIN R NFI R M OUT R EQOUT R TAI R BIAS RAI R PBOUT R DET L MUTE MSGV R MAOUT MSI MSDET MSGV F R 120 70 NR MOUT L EQOUT L TAI L NC RAI L PBOUT L NC DET L MSGV S CN252 CN251 DOLBY B NR IC251 VR301 33K B C310 R1 C309 R1 R321 0R0 VCC CCP1280 CCP1280 NC MSOUT NC NC ...

Page 19: ...R UNIT MAIN MOTOR EXA1499 M2 MOTOR UNIT SUB MOTOR EXA1382 RS3 RS2 RS1 SC2 SC1 TAB MC CE VCC2 NC VCC MCS RRS FRS RSB C TAB MS2 NC NC MM SM1 RRS GND FRS mtl RSB load CN253 CN254 MECHANISM DRIVER IC351 PA2020A R375 0R0 R404 270K 405 R033 R277 220K R278 100K 6 PCB UNIT REEL PCB S1 LOAD ESG1004 S2 ESG1004 70µs MODE SENSE EGN1 EGN1005 EGN2 EGN1006 FWD END SENSE EGN3 EGN1006 REV END SENSE 7 7 8 NM MCS R3...

Page 20: ...20 KEX M8406ZT M8406ZT 91 M9406ZT M9406ZT 91 A 1 2 3 4 B C D 1 2 3 4 3 5 LCD UNIT KEYBOARD UNIT F G 8V100mA LCD UNIT G ...

Page 21: ...21 KEX M8406ZT M8406ZT 91 M9406ZT M9406ZT 91 5 6 7 8 A B C D 5 6 7 8 F KEYBOARD UNIT CN651 CN652 8V60mA IL901 905 907 909 910 912 915 F A A ...

Page 22: ...AIN UNIT NOTE FOR PCB DIAGRAMS 1 The parts mounted on this PCB include all necessary parts for several destination For further information for respective destinations be sure to check with the schematic diagram 2 Viewpoint of PCB diagrams Capacitor Connector P C Board Chip Part SIDE A SIDE B A ANTENNA 1 2 B A ...

Page 23: ...23 KEX M8406ZT M8406ZT 91 M9406ZT M9406ZT 91 5 6 7 8 A B C D 5 6 7 8 FRONT C F CN251 CN901 F CN902 SIDE A A ...

Page 24: ...24 KEX M8406ZT M8406ZT 91 M9406ZT M9406ZT 91 A 1 2 3 4 B C D 1 2 3 4 A MAIN UNIT A ...

Page 25: ...25 KEX M8406ZT M8406ZT 91 M9406ZT M9406ZT 91 5 6 7 8 A B C D 5 6 7 8 SIDE B A ...

Page 26: ...26 KEX M8406ZT M8406ZT 91 M9406ZT M9406ZT 91 A 1 2 3 4 B C D 1 2 3 4 4 2 FM AM TUNER UNIT B SIDE A B FM AM TUNER UNIT A ...

Page 27: ...27 KEX M8406ZT M8406ZT 91 M9406ZT M9406ZT 91 1 2 3 4 A B C D 1 2 3 4 B SIDE B B FM AM TUNER UNIT ...

Page 28: ... R358 R357 R361 R360 R359 D351 R356 R354 R353 R352 R351 Q271 R275 R274 R273 R272 R288 R289 R287 R322 R321 R290 R276 R278 R277 R260 R258 R254 R252 R253 C253 R261 R259 R403 R284 R282 R281 R283 R294 R292 C251 R262 R256 R291 VR302 VR301 R251 C301 C272 C256 C254 C252 R257 R293 R255 C255 R271 R285 C310 C302 C405 C309 C402 C401 C403 C404 R404 IC251 R402 R401 Q271 E D C322 C271 C321 CN251 1 5 2 10 15 20 1...

Page 29: ...M8406ZT 91 M9406ZT M9406ZT 91 1 2 3 4 A B C D 1 2 3 4 E D 1 2 3 4 5 6 7 8 6 5 4 3 2 1 L1 RED M M1 MOTOR UNIT MAIN MOTOR LOAD SW S1 70µs SW S2 MODE SENSE EGN1 D PCB UNIT D PCB UNIT C CN253 E D E REEL UNIT SIDE A SIDE B ...

Page 30: ...30 KEX M8406ZT M8406ZT 91 M9406ZT M9406ZT 91 A 1 2 3 4 B C D 1 2 3 4 4 4 KEYBOARD UNIT F F KEYBOARD UNIT CN651 CN652 CN951 A A D SIDE A ...

Page 31: ...31 KEX M8406ZT M8406ZT 91 M9406ZT M9406ZT 91 1 2 3 4 A B C D 1 2 3 4 F POWER 1 SEEK TRACK SEEK TRACK 2 3 EJECT AUDIO RDS TRAF TYPE DISC TAPE FM AM 4 5 6 SCAN MSG F KEYBOARD UNIT SIDE B ...

Page 32: ...32 KEX M8406ZT M8406ZT 91 M9406ZT M9406ZT 91 A 1 2 3 4 B C D 1 2 3 4 4 5 LCD UNIT G G LCD UNIT F CN903 SIDE A ...

Page 33: ...33 KEX M8406ZT M8406ZT 91 M9406ZT M9406ZT 91 1 2 3 4 A B C D 1 2 3 4 G SIDE B G LCD UNIT ...

Page 34: ...C 1 Trimmer CCL1019 TC 2 Trimmer CCL1019 TC 3 Trimmer CCL1019 CF 25 Ceramic Filter CTF1292 CF 51 Ceramic Filter CTF1292 CF 52 Ceramic Filter CTF1292 CF 53 Ceramic Filter CTF1292 CF 230 Crystal Filter CTF1262 CF 232 Ceramic Filter CTF1348 X 151 Radiator 918 5Hz CSS1365 X 231 Crystal Resonator 10 26MHz CSS1111 VR 101 Semi fixed 15kΩ B CCP1230 VR 151 Semi fixed 10kΩ B CCP1229 VR 154 Semi fixed 150kΩ ...

Page 35: ...KSQYB104K16 C 153 CEAL3R3M50 C 154 CKSQYB104K16 C 157 CEAL3R3M50 C 158 CKSYB474K16 C 159 CEAL220M6R3 C 160 CKSQYB104K16 C 161 CKSQYB104K16 C 162 CEAL3R3M50 C 163 CKSRYB102K50 C 165 CCSRCH100D50 C 201 CKSRYB103K25 C 202 CCSRCH100D50 C 203 CKSRYB332K50 C 204 CKSQYB473K16 C 205 CKSQYB473K16 C 206 CKSRYB103K25 C 207 CCSRCH120J50 C 211 CCSRCH560J50 C 212 CEAL680M10 C 213 CKSRYB103K25 C 214 CKSQYB225K10...

Page 36: ...Diode ERA15 02VH D 322 Diode UDZS5R6 B D 331 Diode 1SS355 D 332 Diode HZU8R2 B1 D 333 Diode 1SS355 D 334 Diode MA152WK D 354 Diode UDZ20 B D 355 Diode HZU8R2 B3 D 501 Diode UDZS8R2 B D 502 Diode MA153 D 571 Diode 1SS355 D 591 Diode UDZS10 B D 601 Diode 1SS355 D 656 Diode 1SS355 D 657 Diode 1SS355 D 658 Diode 1SS355 D 659 Diode 1SS355 D 660 Diode 1SS355 D 681 Diode UDZ18 B D 682 Diode UDZ18 B D 771...

Page 37: ...R 274 RS1 10S102J R 275 RS1 10S102J R 276 RS1 10S102J R 277 RS1 10S102J R 278 RS1 10S102J R 279 RS1 10S102J R 280 RS1 10S102J R 281 RS1 10S104J R 282 RS1 10S562J R 283 RS1 10S104J R 284 RS1 10S333J R 286 RS1 10S681J R 287 RS1 10S222J R 288 RS1 10S102J R 289 RS1 10S562J R 290 RS1 10S684J R 291 RS1 10S222J R 292 RS1 10S222J R 301 RS1 10S104J R 302 RS1 10S104J R 303 RS1 10S104J R 304 RS1 8S222J R 305...

Page 38: ...S101J R 683 RS1PMF680J R 693 RS1 10S473J R 697 RS1 10S473J R 698 RS1 10S0R0J R 701 RS1 10S392J R 702 RS1 10S392J R 703 RS1 10S224J R 704 RS1 10S224J R 705 RS1 10S224J R 706 RS1 10S222J R 707 RS1 10S222J R 708 RS1 10S822J R 709 RS1 10S102J R 710 RS1 10S102J R 711 RS1 10S222J R 712 RS1 10S222J R 713 RS1 10S102J R 715 RS1 10S272J R 716 RS1 10S272J R 717 RS1 10S222J R 718 RS1 10S222J R 719 RS1 10S103J...

Page 39: ...05K16 C 277 CKSQYB104K50 C 278 CKSQYB472K50 C 279 CKSQYB103K50 C 280 CKSQYB103K50 C 282 CKSQYB334K16 C 283 CKSQYB473K50 C 284 CKSQYB473K50 C 290 CKSQYB473K50 C 294 CKSQYB222K50 C 301 2200µF 16V CCH1186 C 302 CKSQYB473K50 C 303 CEAL1R0M50 C 304 CEAL1R0M50 C 305 CKSQYB102K50 C 306 CKSQYB102K50 C 323 CKSQYB473K50 C 324 CEAL1R0M50 C 325 CKSQYB103K50 C 326 CEJA330M10 C 331 CKSQYB103K50 C 332 CEJA101M16...

Page 40: ...1 CKSQYB104K50 C 952 CCSQCH681J50 C 953 CKSQYB104K50 C 954 CKSQYB104K50 Unit Number CWM7101 Unit Name Keyboard Unit MISCELLANEOUS S 901 Encoder CSD1055 S 902 Encoder CSD1057 IL 901 Lamp 8V 60mA CEL1531 IL 902 Lamp 8V 60mA CEL1531 IL 903 Lamp 8V 60mA CEL1531 IL 904 Lamp 8V 60mA CEL1531 IL 905 Lamp 8V 60mA CEL1531 IL 907 Lamp 8V 60mA CEL1531 IL 909 Lamp 8V 60mA CEL1531 IL 910 Lamp 8V 60mA CEL1531 IL...

Page 41: ... C 252 CKSRYB391K50 C 253 CKSRYB391K50 C 254 CKSRYB391K50 C 255 CKSRYB103K50 C 256 CKSRYB103K50 C 271 CEJA1R0M50 C 272 CKSQYB104K16 C 301 CKSQYB104K16 C 302 CKSQYB104K16 C 309 CKSQYB104K16 C 310 CKSQYB104K16 C 351 CKSYB224K25 C 352 CKSQYB392K50 C 353 CKSQYB103K50 C 354 CKSQYB103K50 C 355 CKSYB104K50 C 356 CKSQYB103K50 C 401 CKSRYB472K50 C 402 CKSYB334K25 C 403 CKSRYB223K25 C 404 CKSRYB103K50 C 405...

Page 42: ...DIO ADJUSTMENT Connection Diagram 6 ADJUSTMENT H U KEX M8406ZT UC KEX M9406ZT UC DSP AMP GM 8506ZT E GM 8606ZT E 20P 12P 12P 10P 8P 6P 20P 12P 10P 8P 6P 10P 10P CD Changer CDX M8076ZT E CDX M8106ZT E GGD1167 GGD1144 20P 12P 12P 12P GGD1148 12P 14P 8P GGD1236 ...

Page 43: ... E DC Regulated Power Supply BACK UP ACC GND 13 2V GND FM AM TUNER UNIT DECK UNIT 4Ω VR202 VR201 R287 DC V Meter 3 VR302 mV Meter 2 VR301 L CH R CH Pin2 Pin3 CN251 DECK UNIT Extention Cord GGD1121 DC V Meter 1 Pin 1 Pin 14 Pin 13 Pin26 FM AM TUNER UNIT SIDE A DC V Meter 2 L5 L52 VR151 VR101 VR154 VR156 T31 L6 Pin 6 FMSD Pin 19 FMTV Pin 27 Pin 28 Center Meter C63 L52 FM AM TUNER UNIT SIDE B TC3 TC2...

Page 44: ... Trimmer RF Coil 1 89 9 M 5 15 89 9 L6 mV Meter 1 Maximum RF 1 106 1 M 5 15 106 1 TC3 mV Meter 1 Maximum Trimmer Separation 1 98 1 S1 65 98 1 VR101 mV Meter 1 Maximum ARC 1 98 1 S1 38 98 1 VR154 mV Meter 1 Separation 5dB Separation Interstation 1 98 1 M 65 98 1 mV Meter 1 AdB Noise 2 98 1 M 98 1 VR151 mV Meter 1 A 20dB Search 1 98 1 M 33 98 1 VR156 DC V Meter 2 more than 3 5V Sensitivity 2 98 1 M ...

Page 45: ... 2 Set the system as shown in 1 then tune to a radio station 3 Superimpose the pulse over signal to set modulation of SSG to OFF 4 Use a noise meter to monitor output Adjust VR201 to minimize the noise level Pulse generator equivalent to HP8011A SSG 2 signal pad AM dummy KEX M8406ZT KEX M9406ZT Output Noise meter Pulse width 50usec Pulse intervals 5msec Pulse voltage 4Vp p 4Vp p EMF 50us 5ms AM NO...

Page 46: ...VC LAN The device s own physical address is included Diagnosis Memory Clear The system clears Diagnosis Memory the codes After completing clearing the system goes to LAN CHECK mode 6Memory Clear Complete clearing automatic 2End Diagnosis 3Go to System Check 4Return to LAN CHECK 5Go to Diagnosis Memory 4Return to LAN CHECK 2End Diagnosis 1Go to Diagnosis 2End Diagnosis Flowchart and Functions Opera...

Page 47: ...gation Audio ECU Audio H U Rear seat TV Display with SW Rear control SW CD CH commander MD CH commander 0 8 1 8 A F 1 0 1 2 3 4 5 6 7 8 9 A B C D E F 2 Navigation computer ATIS FM multiple TV tuner CD CH with video 0 1 F 1 0 1 2 3 4 5 6 7 8 9 A B C D E F 3 Radio Cassette Radio cas sette without CH controller CD P CD CH MD P MD CH DAT DCC TEL ECU 0 8 1 7 9 F 1 0 1 2 3 4 5 6 7 8 9 A B C D E F 4 Equa...

Page 48: ...ror ROM error RAM error AM tuner error FM tuner error TV tuner error Cassette deck error Cassette deck EJT failure Tape entan gled in the cassette deck Dirt in cassette deck head Broken cassette deck belt CD deck or CD CH error CD CH EJT failure Dirt scar and upside down in CD CH Detected P U tem perature in CD CH Detected overcur rent in CD CH CH tray error CH elevator error CD CH clamp error MD ...

Page 49: ...When there is no Diagnostic code after completion of System Check 00 The system changes as shown above as this unit does not include System Check The system beeps three times when changing to another mode The system beeps once every time a physical address is displayed When changing to another mode Blinking CODE is displayed Then Latest periodical communications number is displayed Elapsed time at...

Page 50: ...ving the Case not shown 1 Remove the six screws 2 Remove the case Removing the Grille Assy Fig 1 Remove the two screws and then remove the Grille Assy Removing the Holder Fig 1 Remove the four screws and then remove the Holder Removing the Cassette Mechanism Module not shown 1 Remove the four screws 2 Remove the Cassette Mechanism Module Fig 2 Holder Fig 1 7 1 2 DISASSEMBLY Main Unit Grille Assy ...

Page 51: ...51 KEX M8406ZT M8406ZT 91 M9406ZT M9406ZT 91 7 1 3 CONNECTOR FUNCTION DESCRIPTION B R MUTE R GND SGND ACC L L TX ACC MUTE L L TX2 TX2 R R TX B ILL ILL GND SLD MAIN ANTENNA SUB ANTENNA ...

Page 52: ...es output NO Connect amp correctly YES Is VOL adjustment enabled NO Check encoder input ENC1 Pin 53 IC601 ENC1 Pin 54 IC601 YES Normal operation NO Check the following terminals SYSPW Pin 52 IC601 ANSW Pin 100 IC601 SYSMUTE Pin 50 IC601 MUTE Pin 49 IC601 YES Are FM and AM sounds output NO Check the following terminals FMPW Pin 43 IC601 AMPW Pin 44 IC601 FMMUTE Pin 38 IC601 AMMUTE Pin 37 IC601 YES ...

Page 53: ...K I 57kHzBP OUT sense input 26 currq O Current request 27 sk I SK signal input 28 rdslk I RDS LK signal input 29 RX1 I BUS data input 30 TX O BUS data output 31 PDO O Data output for PLL IC 32 PDI I Data input from PLL IC 33 PCK O PLL clock output 34 PCE O Chip enable output for PLL IC 35 ECE Not used 36 RDSMUTE O RDS mute 37 AMMUTE O AM mute output 38 FMMUTE O FM mute output 39 blpw O Back Light ...

Page 54: ... Cassette mechanism forward end sense input 81 TEST I Test terminal 82 SC2 O Cassette mechanism sub motor control output 83 SC1 O Cassette mechanism sub motor control output 84 CM O Cassette mechanism capstan motor control output 85 stby I Stand by input terminal 86 ENC2 I AUD encoder input 87 ENC2 I AUD encoder input 88 TAPEMUTE O TAPE mute output 89 ST I Stereo 90 FMSD I FM SD input 91 NL RDS no...

Page 55: ...om IC901 76 CE I Chip enable output pin for LCD driver 77 CL I Clock output for LCD driver 78 DI I Data output for LCD driver 79 80 SE1 SE2 O LCD segment signal HA12216F 31 32 33 34 35 36 37 38 39 40 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 MSGV R MAOUT MSI MSDET VCC MSOUT MSGV F R 120 70 NR MOUT L EQOUT L TAI L NC RAI L PBOUT L NC DET L NC MSGV S NFI L RIN ...

Page 56: ...1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 COM COM SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG SEG 1 SEG COMMON SEGMENT 7...

Page 57: ...EM BLOCK DIAGRAM H U PWR AMP CD B ACC B ACC B ACC KEX M8406ZT UC GM 8506ZT E GM 8606ZT E CDX M8076ZT E CDX M8176ZT E VEHICLE POWER SUPPLY B ACC BUS SIGNAL SOUND VISION 7SP H U PWR AMP CD B ACC B ACC B ACC KEX M9406ZT UC Other Makers CDX M8076ZT E CDX M8176ZT E VEHICLE 8SP ...

Page 58: ...91 7 3 2 OPERATIONAL FLOW CHART Completes power on operation After that proceed to each source operation SYSPW L 52pin YES Source ON Source keys operative PPW H 22pin swvdd L 45pin asens 73pin bsens 75pin VCC 5V 16pin VDD 5V 62pin Power ON L L ...

Page 59: ...ON MANUAL SEEK TUNING VOLUME POWER ON OFF DIRECTION CHANGE DOLBY NR MUSIC REPEAT BLANK SKIP RADIO TEXT REWIND FAST FORWARD UP DOWN SEEK RADIO TAPE FM SCAN PRESET RECALL PRESET CH MEMORY UP DOWN AUTOMATIC PROGRAM SEARCH TAPE RDS ON OFF PTY IND BALANCE FADER BASS TREBLE MID RANGE ASL TAPE EJECT VOLUME POWER ON OFF ...

Page 60: ...2 SPECIFICATIONS General Power source 13 2 V 10 5V 16 0V allowable Electrode dark current less than 1 mA Grounding system Negative type Weight 1 64 kg Tape player Tape Compact cassette tape C 30 C 90 Tape speed 4 76 cm sec 0 14 cm sec 0 05 cm sec Wow flutter less than 0 2 WRMS Fast forward rewind time less than 120 sec for C 60 Stereo separation more than 30 dB Signal to noise ratio more than 40 d...

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