Pioneer KEX-M9527ZT-91/UC Service Manual Download Page 2

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KEX-M9527ZT/UC

Dolby noise reduction manufactured under license from Dolby Laboratories Licensing

Corporation.
"Dolby" and the double-D symbol are trademarks of Dolby Laboratories Licensing Corpo-
ration.
This service manual does not describe the CD test mode.
For the operations in the CD test mode, refer to the CD player's Service Manual.

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

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

items

*:Non Spare part

Model No.

Order No.

Mech.Module

Remarks

CX-1011

CRT2406

Cassette Mech. module: Mech.Description, Disassembly

Description

KEX-M9527ZT-91/UC

KEX-M9727ZT-91/UC

KEX-M9627ZT-91/ES

Part No.

Polyethylene Bag

CEG1174

CEG1026

Cover

CEG1045(

Carton

CHG4857

Contain Box

CHL4857(

1/4)

CHL4857(

1/4)

CHL4857(

1/4)

*Air cap

CHW1947

For details, refer to "Important symbols for good services".

KEX-M9727ZT/UC (P1733)

KEX-M9527ZT/UC (P1739)

KEX-M9627ZT/ES (P2728)

Summary of Contents for KEX-M9527ZT-91/UC

Page 1: ... CANADA August 2002 86120 60650 P1739 KEX M9527ZT UC KEX M9527ZT 91 UC LEXUS LX470 U S A CANADA August 2002 86120 60620 P1733 KEX M9727ZT UC KEX M9727ZT 91 UC LEXUS LX470 AUSTRALIA August 2002 86120 60640 P2728 KEX M9627ZT ES KEX M9627ZT 91 ES Manufactured for TOYOTA by PIONEER CORPORATION PUB NO CRT2900 ORDER NO CRT2900 ...

Page 2: ...g manual s Supplementary model is identical to the original except for the addition of following items Non Spare part1 Model No Order No Mech Module Remarks CX 1011 CRT2406 3L Cassette Mech module Mech Description Disassembly Description KEX M9527ZT 91 UC KEX M9727ZT 91 UC KEX M9627ZT 91 ES Part No Part No Part No Polyethylene Bag CEG1174 CEG1174 CEG1026 Cover CEG1045 2 CEG1045 2 CEG1045 2 Carton ...

Page 3: ... In accordance with the procedures or instructions described in this manual adjustments should be performed 3 Cleaning For optical pickups tape deck heads lenses and mirrors used in projection monitors and other parts requiring cleaning proper cleaning should be performed to restore their performances 5 Lubricants glues and replacement parts Appropriately applying grease or glue can maintain the p...

Page 4: ... MODULE 20 4 PCB CONNECTION DIAGRAM 22 4 1 MAIN UNIT 22 4 2 KEYBOARD UNIT 26 4 3 CASSETTE MECHANISM MODULE 28 5 ELECTRICAL PARTS LIST 30 6 ADJUSTMENT 41 6 1 TUNER AUDIO ADJUSTMENT 41 6 2 SELF DIAGNOSIS FUNCTION 45 7 GENERAL INFORMATION 48 7 1 DIAGNOSIS 48 7 1 1 DISASSMBLY 48 7 1 2 CONNECTOR FUNCTION DESCRIPTION 49 7 1 3 TROUBLESHOOTING 50 7 2 IC 51 7 3 EXPLANATION 56 7 3 1 SYSTEM BLOCK DIAGRAM 56 ...

Page 5: ...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 UC 87 75 87 9 107 9 MHz Frequency range ES 87 5 108 0 MHz Usable sensitivity less than14 dBµV S N 30 dB Signal to noise ratio more than 46 dB 54dBµ input Distortion less than 1 5 Degital noise less than 25 mVp p 74 dBµ input AM tuner Frequency range UC 530 1 710 kHz Frequency...

Page 6: ...ed by are generally unavailable because they are not in our Master Spare Parts List Screw adjacent to mark on the product are used for disassembly For the applying amount of lobricants or glue follow the instructions in this manual In the case of no amount instructions apply as you think it appropriate ...

Page 7: ...8 Button See Contrast table 2 29 Cushion CNM8057 30 Rubber CNV6977 31 Lighting Conductor CNV6979 32 Lighting Conductor CNV6981 33 Lighting Conductor CNV6983 34 Holder CNV6985 35 Holder CNV6987 36 Keyboard Unit See Contrast table 2 37 Socket CN901 CKS3552 38 Knob Unit CXB8269 39 Grille Unit See Contrast table 2 40 Door See Contrast table 2 41 Spring CBH1371 42 Button Unit CXB9538 43 Button CAC7770 ...

Page 8: ...KEX M9527ZT UC A B C D 1 2 3 4 1 2 3 4 8 2 2 CASSETTE MECHANISM MODULE C D For grease application refer to the service manual for CX 1011 CRT2406 ...

Page 9: ... ENV1547 29 Gear ENR1044 30 Worm Wheel ENV1559 31 Lever ENV1551 32 Flywheel ENV1554 33 Gathering PCB ENX1073 34 Switch S101 S102 S103 ESG1007 35 Deck Unit EWM1031 36 Plug CN251 CKS3540 37 Gathering PCB ENX1066 38 Motor Unit M1 EXA1618 39 Motor EXM1035 40 Head Assy HD1 EXA1594 41 Arm ENC1537 42 Screw JGZ20P025FNI 43 Bracket ENC1559 44 Chassis Unit EXA1636 45 Pinch Holder Unit EXA1608 46 Pinch Rolle...

Page 10: ...PXREF 41kHz AM 2ND IF 450kHz 1 STIND L ch 9 AMDET 17 AMPNS 26 RFGND CN901 KEY MATRIX ILLUMINATION BU 2 Q502 AUD B SW5V Q56 Q405 Q56 44 AMPW Q252 55 NL2 Q406 IC401 NJM2068MD RBDS DECODER TUNER MIXING A AM PNS FML AML Q561 AMB FM AMB IC501 LA1061M 1 13 5 6 Q501 NIN MFIX SUB MAIN SUB MAIN UC ML KEH M9527ZT UC KEH M9727ZT UC KEH M9627ZT ES UC ES UC ML UC UC ML UC ES CN251 CN252 CN253 CN255 CN256 CN254...

Page 11: ...05 Q204 NJM2068MD IC303 16 8 8 16 8 2 8 CN472 Q305 Q304 Q867 Q865 Q866 Q864 Q860 Q861 Q862 Q863 BU BU 3 Q563 Q405 Q564 44 AMPW Q252 55 NL2 Q406 IC401 NJM2068MD ACC Q807 Q870 Q645 Q644 ASEN ACC Q805 ISEN ILL 11 SWVDD 100 ANTB 5 3 2 75 Q806 BSEN BU BU BU VDD VDD AMP AUD B SW5V Q453 Q451 Q452 Q882 BU Q884 AUDIO SELECT FOR AMP AUDIO SELECT FOR RSA RBDS DECODER TUNER MIXING AMP UNBALANCE TO BALANCE UNB...

Page 12: ... diagram Guide page Detailed page Note When ordering service parts be sure to refer to EXPLODED VIEWS AND PARTS LIST or ELECTRICAL PARTS LIST A a A R018 R018 UC ML UC ML UC ML UC ML UC ML UC ML UC ML UC ML ANTENNA JACK UC ML KEH M9527ZT UC KEH M9727ZT UC KEH M9627ZT ES UC ES UC B CN901 C CN251 FM DIVERCITY RBDS DECODER TUN ...

Page 13: ...e between chip resistors and discrete resistors NOTE Symbol indicates a capacitor No differentiation is made between chip capacitors and discrete capacitors ER TUNER MIXING AMP AUDIO SELECTOR FOR RSA UNBALANCE TO BALANCE SYSTEM MUTE SYSTEM MUTE R R L L RSA VDD 5V HARD MUTE ILL SENSE B UP SENSE ACC SENSE UNBALANCE TO BALANCE BALANCE TO UNBALANCE L L AMP AUDIO SELECTOR FOR AMP FM AM TAPE 14 4dBs 14 ...

Page 14: ... UC A B C D 1 2 3 4 1 2 3 4 14 A a A b A a A a A b 1 2 3 R018 R018 UC ML UC ML UC ML UC ML UC ML UC ML ANTENNA JACK UC ML KEX M9527ZT UC KEX M9727ZT UC KEX M9627ZT ES UC UC FM DIVERCITY RBDS DECODER TUNER MIXING A ...

Page 15: ...KEX M9527ZT UC A B C D 5 6 7 8 5 6 7 8 15 A a A b A a A a A b 4 5 6 7 8 UC ML UC ML UC ML KEX M9527ZT UC KEX M9727ZT UC KEX M9627ZT ES UC ES B CN901 C CN251 ...

Page 16: ...MIXING AMP AUDIO SELECTOR FOR RSA UNBALANCE TO BALANCE SYSTEM MUTE SYSTEM MUTE R R L L RSA VDD 5V HARD MUTE UNBALANCE TO BALANCE BALANCE TO UNBALANCE L L AMP AUDIO SELECTOR FOR AMP FM AM TAPE 14 4dBs 14 8dBs 7 5dBs UC ML FM AM TAPE 14 4dBs 11 5dBs 7 5dBs FM AM TAPE 17 3dBs 13 4dBs 7 5dBs ...

Page 17: ...or of the part Therefore when replacing be sure to use parts of identical designation Symbol indicates a resistor No differentiation is made between chip resistors and discrete resistors NOTE Symbol indicates a capacitor No differentiation is made between chip capacitors and discrete capacitors HARD MUTE ILL SENSE B UP SENSE ACC SENSE FM AM TAPE 4 6dBs 5 0dBs 2 3dBs UC ML FM AM TAPE 4 6dBs 1 7dBs ...

Page 18: ...KEX M9527ZT UC A B C D 1 2 3 4 1 2 3 4 18 3 3 KEYBOARD UNIT B A CN804 B KEYBOARD UNIT PWR VOL PWR VOL PROG KEH M9527ZT UC KEH M9727ZT UC KEH M9627ZT ES ...

Page 19: ...KEX M9527ZT UC A B C D 5 6 7 8 5 6 7 8 19 B 8V 105mA 8V 105mA 8V 105mA 8V 105mA 8V 60mA 8V 105mA 8V 105mA 2R7 2R7 2R7 2R2 3R3 3R3 3R3 2R2 ...

Page 20: ...EXA1594 TEST TAPE 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 CCP128...

Page 21: ...P R362 300 C351 R22 C353 R01 C354 R01 R374 0R0 C356 R01 C355 R1 D352 1SS355 M1 MOTOR UNIT MAIN MOTOR EXA1618 S101 LOAD ESG1007x3 S102 MODE Q101 EGN1004 M2 MOTOR UNIT SUB MOTOR EXA1623 RS3 RS2 RS1 SC2 SC1 TAB MC CE VCC2 NC VCC MCS RRS FRS RSB C TAB MS2 NC NC MM SM1 RSB GND RS mtl MCS load CN255 CN253 CN256 CN254 MECHANISM DRIVER IC351 PA2020A R321 0R0 R375 0R0 S103 70µs R276 100K 1 C403 R022 R274 0...

Page 22: ...P C Board Chip Part A A MAIN UNIT SIDE B SIDE A 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 dia gram 2 Viewpoint of PCB diagrams ANTENNA FM AM TUNER UNIT ...

Page 23: ...KEX M9527ZT UC A B C D 5 6 7 8 5 6 7 8 23 A SIDE A FRONT C CN251 B CN901 AVC LAN 1 11 2 12 3 13 4 14 5 15 6 16 7 17 8 18 9 19 10 20 10 11 9 12 8 13 7 14 6 15 5 16 4 17 3 18 2 19 1 20 ...

Page 24: ...KEX M9527ZT UC A B C D 1 2 3 4 1 2 3 4 24 A A MAIN UNIT ...

Page 25: ...KEX M9527ZT UC A B C D 5 6 7 8 5 6 7 8 25 A SIDE B ...

Page 26: ...KEX M9527ZT UC A B C D 1 2 3 4 1 2 3 4 26 4 2 KEYBOARD UNIT B B KEYBOARD UNIT SIDE A PROG PWR VOL PWR VOL KEX M9527ZT UC KEX M9727ZT UC KEX M9627ZT ES ...

Page 27: ...KEX M9527ZT UC A B C D 5 6 7 8 5 6 7 8 27 B B KEYBOARD UNIT SIDE B A CN804 ...

Page 28: ...4 3 CASSETTE MECHANISM MODULE C C DECK UNIT C DECK UNIT SIDE A SIDE B D IC Q IC251 Q351 Q352 ADJ VR302 VR301 IC253 CN252 CN254 CN253 CN255 M1 M2 HEAD ASSY CN256 21 22 C321 C271 19 17 15 13 11 9 7 5 3 1 16 14 12 10 8 6 4 2 20 18 CN251 A CN353 1 ...

Page 29: ...KEX M9527ZT UC A B C D 5 6 7 8 5 6 7 8 29 1 2 3 4 5 6 S101 LOAD S102 MODE S103 70µs CN256 Q101 REEL SENSE L101 L102 D D SENSOR UNIT C CN253 ...

Page 30: ...r IMT2A Q 564 Transistor IMH1A Q 644 Transistor DTC114EU Q 645 Transistor 2SA1162 Q 801 Transistor DTC114EU Q 802 Transistor IMX1 Q 805 Transistor DTC144TUA Q 806 Transistor DTC144TUA Q 807 Transistor DTC144TUA Q 808 Transistor 2SB1184F5 Q 811 Transistor 2SB1185 Q 813 Transistor 2SA1162 Q 816 Transistor IMX1 Q 825 Transistor 2SA1162 Q 860 Transistor 2SA1162 Q 861 Transistor DTC143EU Q 862 Transist...

Page 31: ...S473J R 235 RS1 16S473J R 237 RS1 16S473J R 238 RS1 16S473J R 239 RS1 16S473J R 240 RS1 16S473J R 241 RS1 16S222J R 243 RS1 10S103J R 244 RS1 10S103J Circuit Symbol and No Part Name Part No R 245 RS1 10S103J R 246 RS1 10S103J R 247 RS1 16S562J R 248 RS1 16S562J R 249 RS1 16S562J R 250 RS1 16S562J R 257 RS1 16S102J R 261 RS1 16S225J R 285 RS1 16S104J R 286 RS1 16S104J R 313 RS1 16S103J R 314 RS1 16...

Page 32: ...R 606 RS1 16S0R0J R 607 RS1 16S104J R 608 RS1 16S102J R 609 RS1 16S681J Circuit Symbol and No Part Name Part No R 610 RS1 16S0R0J R 611 RS1 16S0R0J R 612 RS1 16S102J R 620 RS1 16S0R0J R 621 RS1 16S681J R 622 RS1 16S0R0J R 629 RS1 16S472J R 631 RS1 16S0R0J R 632 RS1 16S102J R 633 RS1 16S102J R 634 RS1 16S102J R 635 RS1 16S471J R 637 RS1 16S102J R 638 RS1 16S102J R 641 RS1 16S473J R 642 RS1 16S104J ...

Page 33: ...50 Circuit Symbol and No Part Name Part No C 220 CCSRCH220J50 C 221 CCSRCH220J50 C 222 CCSRCH220J50 C 223 4 7µF 35V CCH1432 C 224 4 7µF 35V CCH1432 C 225 4 7µF 35V CCH1432 C 226 4 7µF 35V CCH1432 C 227 CCSRCH221J50 C 228 CCSRCH221J50 C 229 CCSRCH221J50 C 230 CCSRCH221J50 C 231 CKSRYB473K50 C 232 CEJQ101M6R3 C 233 CKSRYB102K50 C 235 4 7µF 35V CCH1432 C 236 4 7µF 35V CCH1432 C 237 4 7µF 35V CCH1432 ...

Page 34: ...JQ220M6R3 C 645 CKSRYB103K50 C 648 CKSRYB102K50 C 671 CCSRCH101J50 C 672 CCSRCH101J50 C 673 CCSRCH101J50 Circuit Symbol and No Part Name Part No C 674 CCSRCH101J50 C 675 CCSRCH101J50 C 691 CKSRYB102K50 C 692 CKSRYB102K50 C 693 CKSRYB102K50 C 694 CKSRYB102K50 C 695 CKSRYB102K50 C 696 CKSRYB102K50 C 697 CKSRYB102K50 C 701 CKSRYB103K50 C 703 CCSRCH221J50 C 704 CCSRCH221J50 C 801 CKSRYB102K50 C 802 CE...

Page 35: ... 693 Diode 1SS355 D 703 Diode UDZS18 B D 704 Diode UDZS18 B D 801 Diode 1SS355 D 802 Diode UDZS5R6 B D 803 Diode RM4LFJ10 D 804 Diode 1SS355 D 805 Diode UDZS20 B Circuit Symbol and No Part Name Part No D 808 Diode HZU8R2 B2 D 809 Diode HZU7R5 B3 D 810 Diode HZU8R2 B2 D 811 Diode 1SS355 D 812 Diode HZU7R5 B3 D 860 Diode HZU8R2 B3 D 861 Diode 1SS355 D 862 Diode 1SS355 D 863 Diode DAP202K D 864 Diode...

Page 36: ...J R 428 RS1 16S303J R 429 RS1 16S683J R 430 RS1 16S683J R 431 RS1 16S473J R 432 RS1 16S473J Circuit Symbol and No Part Name Part No R 433 RS1 16S101J R 451 RS1 16S102J R 452 RS1 16S223J R 453 RS1 16S823J R 454 RS1 16S181J R 455 RS1 16S181J R 456 RS1 16S181J R 457 RS1 16S181J R 458 RS1 16S181J R 459 RS1 16S223J R 460 RS1 16S223J R 497 RS1 4S121J R 498 RS1 4S121J R 501 RS1 16S225J R 502 RS1 16S225J ...

Page 37: ... 684 RS1 16S102J R 687 RS1 16S473J R 688 RS1 16S0R0J R 689 RS1 16S0R0J R 690 RS1 16S473J Circuit Symbol and No Part Name Part No R 691 RS1 16S473J R 692 RS1 16S473J R 693 RS1 16S473J R 694 RS1 16S473J R 697 RS1 16S473J R 698 RS1 16S102J R 699 RS1 16S473J R 701 RS1 16S473J R 703 RS1 4S101J R 704 RS1 4S101J R 705 RS1PMF680J R 711 RS1 16S473J R 801 RS1 8S222J R 802 RS1 8S472J R 803 RS1 8S472J R 804 R...

Page 38: ... CCH1432 C 338 4 7µF 35V CCH1432 C 351 CEJQ4R7M35 C 355 CEJQ220M10 C 356 CEJQ100M16 C 381 CKSRYB182K50 C 382 CKSRYB182K50 Circuit Symbol and No Part Name Part No C 383 CKSRYB182K50 C 384 CKSRYB182K50 C 401 CKSRYB183K50 C 402 CKSRYB183K50 C 403 4 7µF 35V CCH1432 C 404 4 7µF 35V CCH1432 C 406 CKSRYB102K50 C 411 CKSRYB123K50 C 412 CKSRYB123K50 C 415 CKSRYB105K10 C 416 CKSRYB105K10 C 417 CCSRCH821J50 ...

Page 39: ...8V 105mA CEL1739 IL 905 Lamp 8V 105mA CEL1739 IL 906 Lamp 8V 60mA CEL1737 IL 907 Lamp 8V 105mA CEL1738 RESISTORS Circuit Symbol and No Part Name Part No R 905 RS1 16S0R0J R 906 RS1 16S0R0J R 907 RS1 16S0R0J R 908 RS1 16S0R0J R 909 RS1 16S2R2J R 910 RS1 10S120J R 911 RS1 10S2R7J R 912 RS1 10S2R7J R 913 RS1 10S2R7J R 914 RS1 10S120J R 915 RS1 16S2R2J R 916 RS1 10S3R3J R 917 RS1 10S3R3J R 918 RS1 10S...

Page 40: ... RS1 8S0R0J R 401 RS1 16S153J 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 1µF 50V ECH0002 C 272 CKSRYB104K16 C 301 CKSRYB104K16 C 302 CKSRYB104K16 C 309 CKSRYB104K16 C 310 CKSRYB104K16 C 351 CKSQYB224K25 C 352 CKSRYB392K50 C 353 CKSRYB103K50 C 354 CKSRYB103K5...

Page 41: ...let connector To DC Regulated Power Supply Bullet connector To DC Regulated Power Supply H U EMV DENSO 20P 12P 20P 6P 10P 14P 8P 10P 18P 20P 32P 18P 10P 6P 10P 14P 12P 20P 20P 25P 8P 16P 16P 20P 25P GGD1240 AUI AUI FR FR 24P MDVD NAVI ECU DENSO MCD AMP Please don t connect MCD and MVD at the same time MCD or MDVD does not operate if RSA controller is not connected Connection Diagram KEX M9527ZT UC...

Page 42: ...DC Regulated Power Supply Bullet connector To DC Regulated Power Supply H U EMV DENSO 24P 12P 20P 6P 10P 14P 8P 10P 18P 18P 10P 10P 14P 20P 20P 25P 8P 16P 16P 20P 25P GGD1240 AUI AUI FR FR GGD1300 AMP MCD NAVI ECU DENSO GGD1304 24P 12P 12P MCD J UC EW WL 32P Bullet connector To DC Regulated Power Supply MCD Please don t connect the two MCD s at the same time Connection Diagram KEX M9627ZT ES ...

Page 43: ...STMENT No Test Tape Adjustment Point Adjustment Method Switch Position 1 NCT 150 VR301 Lch VR302 Rch mV Meter 8 24dBs 300mV 1dB 400Hz 200nwb m DOLBY NR Switch OFF VR302 mV Meter VR301 L CH R CH Pin2 Pin3 CN251 DECK UNIT Extention Cord GGD1121 MAIN UNIT CN353 ...

Page 44: ... frequency 400 Hz Antenna input 74 dBuV EMF 2 Tune a RADIO to the 999kHz or 1 000kHz with 1 condition 3 Mix signal with the above mentioned pulse and SSG moduration OFF 4 Variable resistance adjust noise level to a minimam Adjustment point VR561 Pulse generator equivalent to HP8011A SSG 2 signal pad AM dummy Output Noise meter Pulse width 50usec Pulse intervals 5msec Pulse voltage 4Vp p 4Vp p EMF ...

Page 45: ...position of A and B is order of pushed 6 times in A B A B A and B Service Check screen is displayed As it is it waits for a while In general less than 1 minute DISPLAY Display Frame of display adjustment Audio mode The name of each apparatus such as an Audio H U is displayed B A 2 Service Check Service Check EMV Audio H U DSP AMP CD CH LAN Monitor ...

Page 46: ...s judged to be necessary is entered EXCH An error code indicating that exchange is judged to be necessary is entered ACC OFF Unit Check Mode Audio H U Current Memory 61 40 Occurred Date Time When displayed as CHEK or EXCH details will be displayed if the portion is touched It changes on the screen which displays the abnormalities on communication The detected abnormalities Diagnosis code are displ...

Page 47: ... abnormal Connecting confirmation no response Last mode abnormal Command order no response Mode status abnormal Transmission fault Master reset Slave reset Master abnormal Registration completion acknowledgement error Voice processor ON abnormal ON OFF command or parameter abnormal Registration command transmission Multiple frames intermit Diagnosis no response 00 01 10 11 12 13 20 21 22 23 24 25 ...

Page 48: ...assette Mechanism Module Fig 1 1 Fig 1 Removing the Upper Case not shown Remove the two screws and then remove the Grille Assy Removing the Grille Assy Fig 1 2 Fig 2 Front Frame Removing the Front Frame Fig 2 Remove the three screws and then remove the Front Frame 1 1 1 1 Fig 3 Removing the Main Unit Fig 3 Straight the tabs at two locations indicated 1 1 1 2 2 Main Unit 3 3 Remove the two screws 2...

Page 49: ...MUTE RSA R ADIM TX NC NC ILL ACC BU ILL ANT AMP ANTB TX TX NC NC NC MUTE R R L L GND SGND ANTA SUB ANTNNA MAIN ANTNNA L GND SGND R R L MUTE BU ACC TX TX NC STSW1 TX NC NC NC NC SGND RSA R SWGND NC RSA L NC STSW2 RSA L RMUTE RSA R ADIM TX NC NC ILL ACC BU ILL ANT AMP ANTB TX TX NC NC NC MUTE R R L L GND SGND ANTA SUB ANTNNA MAIN ANTNNA KEX M9527ZT UC KEX M9727ZT UC KEX M9627ZT ES ...

Page 50: ...ectly 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 65 IC601 YES Normal operation NO Check the following terminals SYSPW Pin 1 IC601 sysmute2 Pin 5 IC601 sysmute1 Pin 6 IC601 YES Are FM and AM sounds output NO Check the following terminals FMPW Pin 43 IC601 AMPW Pin 44 IC601 YES Is TAPE sound output...

Page 51: ...23 SEL2a O Selector change for RSE Selector change for RSE 24 NC Not used Not used 25 SEL2b I 26 INH1 27 SEL1a O O Selector change for AMP output 28 SEL1b O Selector change for AMP output 29 RX1 BUS 30 TX BUS 31 PDO O PLL data output 32 PDI I Pll data input 33 pck O PLL clock output 34 ANT1 O Antenna control output 35 38 NC 39 SHIMUKE2 I I Model select 40 SHIMUKE1 Model select 41 ANT0 O Auto anten...

Page 52: ...1 PLAY MS gain select output 82 mtl I Tape loading detect input 83 NR O NR ON OFF output 84 CSLOAD I Tape loading detect input 85 POS I Position sense input 86 ES I Tape end sense input 87 SC2 O Sub motor control output 88 SC1 O Sub motor control output 89 CM O Capstan motor control output 90 stby O Stand by output 91 NL1 Noise level 92 RDSL RDS signal level 93 SL Signal level 94 ILL Illumination ...

Page 53: ...BUS driver power supply output 23 SEL2a O Selector change for RSE Selector change for RSE 24 NC Not used Not used 25 SEL2b I 26 INH1 27 SEL1a O O Selector change for AMP output 28 SEL1b O Selector change for AMP output 29 RX1 BUS 30 TX BUS 31 PDO O PLL data output 32 PDI I Pll data input 33 pck O PLL clock output 34 ANT1 O Antenna control output 35 38 NC 39 NC Not used 40 NC Not used 41 ANT0 O Aut...

Page 54: ...coder input 79 MS I Music sense input 80 fR O O Head forward reverse select output 81 PLAY MS gain select output 82 mtl I Tape loading detect input 83 NR O NR ON OFF output 84 CSLOAD I Tape loading detect input 85 POS I Position sense input 86 ES I Tape end sense input 87 SC2 O Sub motor control output 88 SC1 O Sub motor control output 89 CM O Capstan motor control output 90 stby O Stand by output...

Page 55: ...le Active at High To be grounded at 47kΩ 17 AMPNS AM PNS IF signal IF signal output for AM PNS circuit 18 LDET O lock detector Active at Low To be pulled up to the VDD at 47kΩ 19 CREQ I current request Active at Low To be grounded at 47kΩ 20 AMINI AM audio input The frequency response and the level are set by connecting an external CR network with terminal AMIN as terminal AMDET r in 50kΩ 21 COMP ...

Page 56: ...ER RGB L R L R AVC LAN MAIN B ACC B ACC AVC LAN MAIN AVC LAN LOCAL EMV DVD CH OTHER MAKERS REAR SEAT AUDIO OTHER MAKERS KEX M8527ZT UC KEX M8727ZT UC L R HEAD PHONE OTHER MAKERS NTSC AVC LAN LOCAL AMPLIFIER PIONEER SPEAKER RGB L R AVC LAN B ACC EMV OTHER MAKERS CD CH L R NTSC B ACC AVC LAN OPTION NAVI ECU OTHER MAKERS KEX M8627ZT ES ...

Page 57: ...ERATIONAL FLOW CHART VDD 5V Pin 62 Power ON bsens L asens L YES VCC 5V Pin 16 bsens Pin 75 asens Pin 73 SYSPWR H Pin 1 IPPW H Pin 22 SWVDD H Pin 11 Source keys operative Completes power on operation After that proceed to each source operation Source ON ...

Page 58: ...1 2 3 4 58 7 4 CLEANING Before shipping out the product be sure to clean the following portions by using the prescribed cleaning tools Portions to be cleaned Cleaning tools Cassette heads Pinch rollers Capstans Cleaning paper GED 008 ...

Page 59: ...9527ZT UC KEX M9727ZT UC RADIO MANUAL TUNING POWER ON OFF VOLUME AM SEEK UP DOWN FM CD DVD DISC SELECT CD DVD DIRECTION CHANGE TAPE AUTO PROGRAM SEARCH TRACK SELECT EJECT TAPE TRAFFIC INFORMATION KEX M9527ZT UC KEX M9727ZT UC POWER ON OFF VOLUME POWER ON OFF VOLUME ...

Page 60: ...H TAPE DIRECTION CHANGE DISC SELECT EJECT TAPE KEX M9627ZT ES PIONEER CORPORATION 4 1 Meguro 1 chome Meguro ku Tokyo 153 8654 Japan PIONEER ELECTRONICS USA INC P O Box 1760 Long Beach CA 90801 1760 U S A PIONEER EUROPE NV Haven 1087 Keetberglaan 1 9120 Melsele Belgium PIONEER ELECTRONICS ASIACENTRE PTE LTD 253 Alexandra Road 04 01 Singapore 159936 PIONEER CORPORATION 2002 K ZZD JULY 2002 Printed i...

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