Pioneer KEX-M8806ZT-91/EW Service Manual Download

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KEX-M8806ZT,M8806ZT-91,M8906ZT,M8906ZT-91

Dolby noise reduction manufactured under license from Dolby Laboratories Licensing Corporation.

"Dolby" and the double-D symbol are trademarks of Dolby Laboratories Licensing Corporation.

These models do not provide the test mode for CD changers.

KEX-M8806ZT/EW and KEX-M8906ZT/EW have adopted AVC-LAN.

KEX-M8806ZT/EW

Supplementary model is identical to the original except for the addition of following items.

Description

Part No.

KEX-M8806ZT-91/EW KEX-M8906ZT-91/EW

Polyethylene Bag

CEG1106

Carton

CHA1721

Contain Box

CHL4141

CHL4142

Cover

CEG1045

KEX-M8906ZT/EW

ID No.P3726

ID No.P3727

This service manual should be used together with the following manual(s):

Model

Order No.

Mech. Module

Remarks

CX-631

CRT1640

Cassette Mech. Module:Mech.Description

CONTENTS

1. SAFETY INFORMATION ............................................3

2. EXPLODED VIEWS AND PARTS LIST .......................4

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ...10

4. PCB CONNECTION DIAGRAM ................................26

5. ELECTRICAL PARTS LIST ........................................38

6. ADJUSTMENT..........................................................45

7. GENERAL INFORMATION .......................................49

7.1 DIAGNOSIS .......................................................49

7.1.1 DISASSEMBLY ........................................49

7.1.2 CONNECTOR FUNCTION DESCRIPTION ..50

7.1.3 TROUBLESHOOTING................................51

7.2 IC ........................................................................52

7.3 EXPLANATION..................................................55

7.3.1 SYSTEM BLOCK DIAGRAM ...................55

7.3.2 OPERATIONAL FLOW CHART ................56

8. OPERATIONS AND SPECIFICATIONS.....................57

Summary of Contents for KEX-M8806ZT-91/EW

Page 1: ...ED AFTER TOYOTA PART No ID No PIONEER MODEL No LEXUS LX470 EUROPE August 2000 86120 60410 P3726 KEX M8806ZT EW LEXUS LX470 EUROPE August 2000 86120 60410 P3726 KEX M8806ZT 91 EW LEXUS LX470 EUROPE August 2000 86120 60400 P3727 KEX M8906ZT EW LEXUS LX470 EUROPE August 2000 86120 60400 P3727 KEX M8906ZT 91 EW LX470 Service Manual ...

Page 2: ...CEG1106 CEG1106 Carton CHA1721 CHA1721 Contain Box CHL4141 CHL4142 Cover CEG1045 CEG1045 KEX M8906ZT EW ID No P3726 ID No P3727 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 10 4 ...

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: ...1 1 1 5 15 45 7 17 11 12 10 43 44 42 6 43 18 9 19 16 7 8 8 13 14 8 8 4 2 2 20 27 21 30 31 21 21 21 21 50 46 46 36 41 37 35 49 49 43 23 26 39 40 24 26 43 33 34 32 22 38 25 33 34 32 48 47 29 28 2 EXPLODED VIEWS AND PARTS LIST 2 1 EXTERIOR KEX M8806ZT ...

Page 5: ...4 Button SEEK TRACK CAC6772 25 Button TA CAC6711 26 Lighting Conductor CNV6144 27 Rubber CNV6145 28 Lighting Conductor CNV6500 29 Holder CNV6502 30 Keyboard Unit CWM7103 31 Socket CN901 CKS3555 32 Knob Assy CXB5296 33 Knob CAA1500 34 Spring CBL 108 35 Button AM CAC5252 36 Button TAPE CAC5254 37 Button FM CAC5253 38 Grille Unit CXB6093 39 Door CAT2167 40 Spring CBH1371 41 Button DISC CAC6186 42 Cas...

Page 6: ...ZT M8906ZT 91 3 1 1 1 5 15 45 7 17 11 12 10 43 44 42 6 43 18 9 19 16 7 8 8 13 14 8 8 4 2 2 20 27 21 30 31 21 21 21 21 50 46 46 36 41 37 35 49 49 43 23 26 39 40 24 26 43 33 34 32 22 38 25 33 34 32 48 47 29 28 2 2 EXTERIOR KEX M8906ZT ...

Page 7: ...97 21 Screw BPZ26P100FMC 22 Button TA CAC6711 23 Button SEEK TRACK CAC6772 24 Button CH PROG DISC CAC6771 25 Button EJECT CAC6642 26 Lighting Conductor CNV6144 27 Rubber CNV6145 28 Lighting Conductor CNV6500 29 Holder CNV6502 30 Keyboard Unit CWM7247 31 Socket CN901 CKS3555 32 Knob Assy CXB5296 33 Knob CAA1500 34 Spring CBL 108 35 Button DISC CAC6186 36 Button FM CAC5253 37 Button TAPE CAC5254 38 ...

Page 8: ...8 KEX M8806ZT M8806ZT 91 M8906ZT M8906ZT 91 2 3 CASSETTE MECHANISM MODULE ...

Page 9: ...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 10: ...L MTL VR301 VREF 6 22 14 17 2 51 53 17 7 18 19 5 2 NR Q351 Q352 1 9 8 STBY LOAD LOAD 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 IC602 2 1 RESET VDD Q528 Q530 Q Q205 HA12181FP IC203 AM NOISE CANCELLER 3 AM L 9 16 Q703 MUTE FM L BU CN701 4...

Page 11: ...T 38 SYSTEM CONTROLLER IC601 PDI CK DO CE SL SD 95 90 ST 89 AMPW AMPW 44 FMPW 43 AUD B 73 75 23 ASEN BSEN ISEN HA12187FP IC681 AVC LAN 6 5 TX TX 50 SYSMUTE AMPMUT IPPW 8 1 2 TX RX AMPMUT RX TX IPPW 22 30 29 49 CN301 CN302 BU ACC ANT MUTE ILL B ACC ILL FMPW AMB FMB Q335 Q336 F KEYBOARD UNIT PD5600B 1 4 3 22 POWER VOLGND ENC1M ENC2P CN901 24 21 4 15 CN651 KD1 POWER ENC1M POWER 53 54 55 ENC1P ENC2M E...

Page 12: ...EWS AND PARTS LIST or ELECTRICAL PARTS LIST A CASSETTE MECHANISM MODULE C D E E VOL FM MUTE RBDS DECODER PLL B A MAIN UNIT FM 26dBs 400Hz 30 AM 16dBs 400Hz 30 TAPE 8dBs FM 32 5dBs AM 23 5dBs TAPE 14 5dBs AUX 11 5dBs AM FM AM AM AM AM AM FM AM FM FM AM 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 13: ... 5 6 7 8 A B C D 5 6 7 8 13 A SYSTEM CONTROLLER 5V REGULATOR AUDIO 8V REGULATOR BU ACC ILL SENSE BU MUTE ILL 8V REGULATOR ILL DIMMER CONTROL ANT CONTROL AMP CONTROL MUTE BEEP AVC LAN RESET SYSTEM MUTE FM 15dBs AM 15dBs TAPE 6dBs AUX 2 2dBs A b ...

Page 14: ...14 KEX M8806ZT M8806ZT 91 M8906ZT M8906ZT 91 A 1 2 3 4 B C D 1 2 3 4 A a A a A b SYSTEM CONTROLLER PLL B A MAIN UNIT FM 26dBs 400Hz 30 AM 16dBs 400Hz 30 AM FM F CN901 1 2 3 ...

Page 15: ...8806ZT 91 M8906ZT M8906ZT 91 5 6 7 8 A B C D 5 6 7 8 A a A a A b CASSETTE MECHANISM MODULE C D E E VOL FM MUTE RBDS DECODER TAPE 8dBs FM 32 5dBs AM 23 5dBs TAPE 14 5dBs AUX 11 5dBs AM AM AM AM AM FM AM FM FM AM 4 5 6 7 ...

Page 16: ...16 KEX M8806ZT M8806ZT 91 M8906ZT M8906ZT 91 A 1 2 3 4 B C D 1 2 3 4 A a A b A b LER 5V REGULATOR ILL 8V REGULATOR ILL DIMMER CONTROL ANT CONTROL AMP CONTROL MUTE BEEP AVC LAN 1 2 3 ...

Page 17: ...17 KEX M8806ZT M8806ZT 91 M8906ZT M8906ZT 91 5 6 7 8 A B C D 5 6 7 8 A b A a A b 5V REGULATOR AUDIO 8V REGULATOR BU ACC ILL SENSE BU MUTE RESET SYSTEM MUTE FM 15dBs AM 15dBs TAPE 6dBs AUX 2 2dBs 4 5 6 7 ...

Page 18: ...18 KEX M8806ZT M8806ZT 91 M8906ZT M8906ZT 91 A 1 2 3 4 B C D 1 2 3 4 3 3 FM AM TUNER UNIT B B A FM AM TUNER UNIT PA4023B IC1 ...

Page 19: ...KEX M8806ZT M8806ZT 91 M8906ZT M8906ZT 91 5 6 7 8 A B C D 5 6 7 8 19 B IC2 PA4024A ...

Page 20: ... 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 21: ...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 22: ...22 KEX M8806ZT M8806ZT 91 M8906ZT M8906ZT 91 A 1 2 3 4 B C D 1 2 3 4 3 5 KEYBOARD UNIT KEX M8806ZT F CN651 A KEYBOARD UNIT F POWER VOL ...

Page 23: ...23 KEX M8806ZT M8806ZT 91 M8906ZT M8906ZT 91 5 6 7 8 A B C D 5 6 7 8 F 8V 60mA 8V 60mA 8V 60mA 8V 60mA 8V 60mA 8V 60mA 8V 60mA ...

Page 24: ...24 KEX M8806ZT M8806ZT 91 M8906ZT M8906ZT 91 A 1 2 3 4 B C D 1 2 3 4 3 6 KEYBOARD UNIT KEX M8906ZT F CN651 A KEYBOARD UNIT F POWER VOL ...

Page 25: ...25 KEX M8806ZT M8806ZT 91 M8906ZT M8906ZT 91 5 6 7 8 A B C D 5 6 7 8 F 8V 60mA 8V 60mA 8V 60mA 8V 60mA 8V 60mA 8V 60mA 8V 60mA ...

Page 26: ... 4 1 MAIN 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 B A ...

Page 27: ...27 KEX M8806ZT M8806ZT 91 M8906ZT M8906ZT 91 5 6 7 8 A B C D 5 6 7 8 FRONT C F CN251 CN901 SIDE A A ...

Page 28: ...28 KEX M8806ZT M8806ZT 91 M8906ZT M8906ZT 91 A 1 2 3 4 B C D 1 2 3 4 A MAIN UNIT A ...

Page 29: ...29 KEX M8806ZT M8806ZT 91 M8906ZT M8906ZT 91 5 6 7 8 A B C D 5 6 7 8 SIDE B FRONT A ...

Page 30: ...30 KEX M8806ZT M8806ZT 91 M8906ZT M8906ZT 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 31: ...31 KEX M8806ZT M8806ZT 91 M8906ZT M8906ZT 91 1 2 3 4 A B C D 1 2 3 4 B B FM AM TUNER UNIT SIDE B ...

Page 32: ... 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 33: ...M8806ZT 91 M8906ZT M8906ZT 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 34: ...X M8806ZT M8806ZT 91 M8906ZT M8906ZT 91 A 1 2 3 4 B C D 1 2 3 4 4 4 KEYBOARD UNIT KEX M8806ZT F F KEYBOARD UNIT POWER VOL SEEK TRACK SEEK TRACK EJECT AM FM TAPE DISC TA TUNE CH PROG DISC CH PROG DISC SIDE A ...

Page 35: ...35 KEX M8806ZT M8806ZT 91 M8906ZT M8906ZT 91 1 2 3 4 A B C D 1 2 3 4 F A CN651 F KEYBOARD UNIT SIDE B ...

Page 36: ...X M8806ZT M8806ZT 91 M8906ZT M8906ZT 91 A 1 2 3 4 B C D 1 2 3 4 4 5 KEYBOARD UNIT KEX M8906ZT F F KEYBOARD UNIT POWER VOL SEEK TRACK SEEK TRACK EJECT AM FM TAPE DISC TA TUNE CH PROG DISC CH PROG DISC SIDE A ...

Page 37: ...37 KEX M8806ZT M8806ZT 91 M8906ZT M8906ZT 91 1 2 3 4 A B C D 1 2 3 4 F A CN651 F KEYBOARD UNIT SIDE B ...

Page 38: ...amic 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 B CCP1236 VR 156 Semi fixed 68kΩ B CCP1234 RESISTORS R 3 RS1 16S223J R 4 RS1 16S101J R 5 RS1 16S151J R 6 RS1 16S101J R 7 RS1 10S3...

Page 39: ...SQYB104K16 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 CKSQYB103K25 C 207 CCSRCH120J50 C 211 CCSRCH560J50 C 212 CEJA470M10 C 213 CKSRYB103K25 C 215 CCSRCH680J50 C 216 CCSRCH101J50 C 217 CEAL1R0M50 C 219 CKSRYB223K25 C 220 CKSRYB103K25 C 221 CKSRYB103K25 C 230 CKSQYB104...

Page 40: ...202 Inductor LCTA4R7J3225 L 203 Inductor LCTA4R7J2520 L 204 Inductor LCTA4R7J3225 L 208 Inductor LCTA4R7J3225 L 211 Inductor LCTA2R2J2520 L 212 Inductor LCTA101J3225 L 213 Inductor CTF1305 L 251 Inductor LCTA101J2520 L 252 Inductor LCTB2R2K2125 L 253 Inductor LCTB2R2K2125 L 301 Coil 350µH CTH1092 L 601 Inductor LCTB100K3216 L 602 Inductor LCTB100K3216 L 603 Inductor LCTB100K3216 L 605 Inductor CTF...

Page 41: ...RS1 10S822J R 536 RS1 10S822J R 537 RS1 10S103J R 538 RS1 10S102J R 539 RS1 10S102J R 591 RS1 8S222J R 592 RS1 8S472J R 601 RS1 10S104J R 604 RS1 10S102J R 607 RS1 10S102J R 608 RS1 10S102J R 609 RS1 10S102J R 610 RS1 10S681J R 611 RS1 10S102J R 612 RS1 10S102J R 613 RS1 10S473J R 614 RS1 10S473J R 617 RS1 10S472J R 618 RA3C103J R 621 1kΩ CCN1120 R 622 RS1 10S473J R 623 RS1 10S473J R 624 RS1 10S47...

Page 42: ...50 C 249 CKSQYB473K50 C 250 CKSQYB473K50 C 251 CKSQYB334K16 C 252 CKSQYB102K50 C 253 CKSQYB392K50 C 254 CKSQYB182K50 C 255 CKSQYB473K50 C 256 CEJA3R3M50 C 257 CKSQYB333K50 C 258 CEJANP1R0M50 C 259 CQMA683J50 C 260 CQMA333J50 C 261 CQMA333J50 C 262 CQMA333J50 C 263 CKSQYB183K50 C 264 CKSQYB682K50 C 265 CKSQYB473K50 C 266 CKSQYB473K50 C 267 CEAL4R7M35 C 268 CKSQYB104K50 C 270 CCSQCH220J50 C 271 CCSQ...

Page 43: ...0 C 789 CKSQYB105K16 Unit Number CWM7103 KEX M8806ZT Unit Name Keyboard Unit MISCELLANEOUS S 901 Encoder CSD1045 S 902 Encoder CSD1047 IL 901 Lamp 8V 60mA CEL1670 IL 902 Lamp 8V 60mA CEL1671 IL 903 Lamp 8V 60mA CEL1670 IL 904 Lamp 8V 60mA CEL1671 IL 905 Lamp 8V 60mA CEL1670 IL 906 Lamp 8V 60mA CEL1670 IL 907 Lamp 8V 60mA CEL1670 RESISTORS R 901 0Ω CCN1110 R 903 0Ω CCN1110 R 905 0Ω CCN1110 R 907 RS...

Page 44: ...123J R 402 RS1 16S332J R 403 RS1 16S911J R 404 RS1 16S274J CAPACITORS C 251 CKSRYB391K50 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 CKSQY...

Page 45: ...IO ADJUSTMENT Connection Diagram 20P 12P 20P 16P 14P 16P 14P EMV Made by NIPPON DENSO 14P 10P 8P 6P 8P H U KEX M8806ZT EW LHD KEX M8906ZT EW RHD AMP Made by MATSUSHITA GGD1169 BULLET CONNECTOR BULLET CONNECTOR BULLET CONNECTOR 14P GGD1242 GGD1239 6 ADJUSTMENT ...

Page 46: ...R DC Regulated Power Supply BACK UP ACC GND 13 2V GND FM AM TUNER UNIT DECK UNIT 4Ω VR202 VR201 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 L4 Pin 6 FMSD Pin 19 FMTV Pin 27 Pin 28 Center Meter C63 L52 L2 FM AM TUNER UNIT SIDE B TC1 R287 DC V Meter 3 ...

Page 47: ... Coil RF Coil 1 89 9 M 5 15 89 9 L4 mV Meter 1 Maximum RF Trimmer 1 129 3 M 60 80 107 9 TC1 mV Meter 1 Minimum Separation 1 98 1 S1 65 98 1 VR101 mV Meter 1 Maximum ARC 1 98 1 S1 40 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 27 98 1 VR156 DC V Meter 2 more than 3 5V Sensitivity 2 98 1 M 26...

Page 48: ... 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 49: ...ve the two screws and then remove the Main Unit Removing the Case not shown 1 Remove the case Removing the Grille Assy Fig 1 Remove the two screws and then remove the Grille Assy Removing the Cassette Mechanism Module Fig 1 Remove the four screws and then remove the Cassette Mechanism Module Cassette Mechanism Module Main Unit Grille Assy 7 1 DIAGNOSIS 7 GENERAL INFORMATION ...

Page 50: ...50 KEX M8806ZT M8806ZT 91 M8906ZT M8906ZT 91 7 1 2 CONNECTOR FUNCTION DESCRIPTION ILL ILL GND ACC B TX RR FR RL FL MUTE TX CDR MUTE CDR SGND CDL CDL TX2 TX2 ANT SGND BEEP AMP SLD ANTENNA ...

Page 51: ...tly YES Is any sound of FM AM and TAPE internal sources 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 AMPPW 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...

Page 52: ... O BEEP output 25 57K I 57kHzBP OUT sense input 26 drst O RDS decoder IC reset 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 NC Not used 36 RDSMUTE O RDS mute 37 NC O Not used 38 NC O Not used 39 NC O Not used 4...

Page 53: ...reverse end sense input 80 NES I 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 NC O Not used 89 ST I Stereo 90 FMSD I FM SD ...

Page 54: ...4 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 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 NC DET L NC MUTE Dolby B N LPF DET S R T R Dolby B N T R F R F R ...

Page 55: ...T M8906ZT 91 7 3 EXPLANATION 7 3 1 SYSTEM BLOCK DIAGRAM H U PWR AMP B ACC KEX M8806ZT EW KEX M8906ZT EW CD CHANGER CDX M8106ZT WL POWER SUPPLY B ACC BUS SIGNAL SOUND VISION DISPLAY OTHER MAKERS NAVIGATION ECU OTHER MAKERS OTHER MAKERS ...

Page 56: ...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 57: ... 91 8 OPERATIONS AND SPECIFICATIONS 8 1 OPERATIONS RADIO KEX M8806ZT DOWN UP SEEK AM FM POWER ON OFF VOLUME TUNING MANUAL SEEK TRAFFIC INFORMATION RADIO KEX M8906ZT TRAFFIC INFORMATION TUNING MANUAL SEEK AM FM POWER ON OFF VOLUME DOWN UP SEEK ...

Page 58: ... M8806ZT 91 M8906ZT M8906ZT 91 TAPE KEX M8806ZT DOWN UP AUTO PROGRAM SEARCH TAPE POWER ON OFF VOLUME EJECT DIRECTION CHANGE TAPE KEX M8906ZT TAPE EJECT POWER ON OFF VOLUME DOWN UP AUTO PROGRAM SEARCH DIRECTION CHANGE ...

Page 59: ... M8806ZT M8806ZT 91 M8906ZT M8906ZT 91 CD MD KEX M8806ZT DOWN UP TRACK SELECT CD MD POWER ON OFF VOLUME DOWN UP DISC SELECT CD MD KEX M8906ZT POWER ON OFF VOLUME DOWN UP TRACK SELECT CD MD DISC SELECT DOWN UP ...

Page 60: ...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 dB FM tuner Frequency range 87 5 108 0 MHz Usable sensitivity 4 dBµ 6dB S N 30 dB Signal to noise ratio more than 48 dB stereo Distortion less than 1 5 Stereo separation more than 25 dB 35 10...

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Pioneer KEX-M8806ZT-91/EW, Service Manual

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