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Pioneer Lexus RX300 Service Manual

Lexus rx300 audio system head unit
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Service
Manual
AUDIO SYSTEM
HEAD UNIT
VEHICLE
DESTINATION
LEXUS RX300
TAIWAN
Manufactured for TOYOTA
by PIONEER CORPORATION
RX300
PRODUCED AFTER
ID No.
August 1999
P1714
TOYOTA PART No.
PIONEER MODEL No.
86120-48060
KEX-M9296ZT/ES
KEX-M9296ZT-91/ES
PUB. NO.
ORDER NO.
CRT2394
CRT2394

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Summary of Contents for Pioneer Lexus RX300

  • Page 1 Service Manual ORDER NO. CRT2394 RX300 AUDIO SYSTEM HEAD UNIT VEHICLE DESTINATION PRODUCED AFTER ID No. TOYOTA PART No. PIONEER MODEL No. LEXUS RX300 TAIWAN August 1999 P1714 86120-48060 KEX-M9296ZT/ES KEX-M9296ZT-91/ES Manufactured for TOYOTA CRT2394 by PIONEER CORPORATION PUB. NO.

  • Page 2: Exploded Views And Parts List

    PIONEER ELECTRONICS SERVICE INC. P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A. PIONEER ELECTRONIC [EUROPE] N.V. Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 253 Alexandra Road, #04-01, Singapore 159936 C PIONEER CORPORATION 1999 K-ZZY. JULY 1999 Printed in Japan...
  • Page 3 PRODUCED AFTER TOYOTA PART No. ID No. PIONEER MODEL No. LEXUS RX300 U.S.A. , CANADA February 1998 86120-48050 P1714 KEX-M9086ZT/UC LEXUS RX300 U.S.A. , CANADA February 1998 86120-48050 P1714 KEX-M9086ZT-91/UC Manufactured for TOYOTA by PIONEER ELECTRONIC CORPORATION CRT2088 PUB. NO.

  • Page 4: Table Of Contents

    KEX-M9086ZT/UC, KEX-M9086ZT-91/UC ID No. P1714 NOTE: - The KEX-M9086ZT-91/UC is supplementary genuine part for a TOYOTA vehicle, and a Pioneer product for recycling stock. - As for the structure and electrical system, there is no difference between the KEX-M9086ZT/UC and KEX-M9086ZT- 91/UC.

  • Page 5: Safety Information

    KEX-M9086ZT ,M9086ZT-91 1. SAFETY INFORMATION This service manual is intended for qualified service technicians; it is not meant for the casual do-it-yourselfer. Qualified technicians have the necessary test equipment and tools, and have been trained to properly and safely repair complex products such as those covered by this manual.

  • Page 6: Exploded Views And Parts List

    KEX-M9086ZT ,M9086ZT-91 2. EXPLODED VIEWS AND PARTS LIST 2.1 EXTERIOR Fig. 1...
  • Page 7 KEX-M9086ZT ,M9086ZT-91 NOTE: - Parts marked by “*”are generally unavailable because they are not in our Master Spare Parts List. - Screws adjacent to ∇ mark on the product are used for disassembly. - EXTERIOR SECTION PARTS LIST Mark No. Description Part No.
  • Page 8 KEX-M9086ZT ,M9086ZT-91 2.2 CASSETTE MECHANISM MODULE Fig. 2...
  • Page 9 KEX-M9086ZT ,M9086ZT-91 CASSETTE MECHANISM MODULE SECTION PARTS LIST Mark No. Description Part No. Mark No. Description Part No. 1 Screw BSZ20P040FMC 46 Pinch Roller Unit EXA1473 2 Washer CBF1037 47 Reel Unit EXA1484 3 Washer CBF1038 48 Head Base Unit EXA1434 4 Washer CBG1003...

  • Page 10: Schematic Diagram

    KEX-M9086ZT ,M9086ZT-91 3. SCHEMATIC DIAGRAM 3.1 OVERALL CONNECTION DIAGRAM(GUIDE PAGE) Note: When ordering service parts,be sure to refer to "EXPLODED VIEWS AND PARTS LIST"or"ELECTRICAL PARTS LIST". MAIN UNIT TUNER UNIT Large size SCH diagram Guide page Detailed page...
  • Page 11 KEX-M9086ZT ,M9086ZT-91 PD4846B DECK UNIT Fig. 3 PCB UNIT REEL PCB...
  • Page 12 KEX-M9086ZT ,M9086ZT-91...
  • Page 13 KEX-M9086ZT ,M9086ZT-91 Fig. 4...
  • Page 14 KEX-M9086ZT ,M9086ZT-91...
  • Page 15 KEX-M9086ZT ,M9086ZT-91 Fig. 5...
  • Page 16 KEX-M9086ZT ,M9086ZT-91 3.2 TUNER UNIT...
  • Page 17 KEX-M9086ZT ,M9086ZT-91 Fig. 6...
  • Page 18 KEX-M9086ZT ,M9086ZT-91 3.3 CASSETTE MECHANISM MODULE CN702...
  • Page 19 KEX-M9086ZT ,M9086ZT-91 Fig. 7...
  • Page 21 KEX-M9086ZT ,M9086ZT-91 SIDE A CN251 Fig. 8...
  • Page 22 KEX-M9086ZT ,M9086ZT-91 MAIN UNIT...
  • Page 23 KEX-M9086ZT ,M9086ZT-91 SIDE B Fig. 9...
  • Page 24 KEX-M9086ZT ,M9086ZT-91 4.2 TUNER UNIT SIDE A Fig. 10...
  • Page 25 KEX-M9086ZT ,M9086ZT-91 SIDE B Fig. 11...
  • Page 26 KEX-M9086ZT ,M9086ZT-91 4.3 CASSETTE MECHANISM MODULE Fig. 12...
  • Page 27 KEX-M9086ZT ,M9086ZT-91 SIDE A PCB UNIT Fig. 13 PCB UNIT SIDE B Fig. 14 REEL PCB Fig. 15...

  • Page 28: Electrical Parts List

    KEX-M9086ZT ,M9086ZT-91 5. ELECTRICAL PARTS LIST NOTE: - Parts whose parts numbers are omitted are subject to being not supplied. - The part numbers shown below indicate chip components. Chip Resistor RS1/_S___J,RS1/__S___J Chip Capacitor (except for CQS..) CKS.., CCS.., CSZS..=====Circuit Symbol and No.===Part Name Part No.
  • Page 29 KEX-M9086ZT ,M9086ZT-91 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- RS1/16S753J CKSQYB104K16 RS1/16S0R0J CEJA3R3M50 RS1/16S242J CKSYB474K16 RS1/16S473J CEJA220M6R3 RS1/16S103J CKSQYB104K16 RS1/16S104J CKSQYB104K16 RS1/16S104J CEJA3R3M50 RS1/16S103J CKSRYB102K50 RS1/16S202J CCSRCH100D50 RS1/16S123J CKSRYB103K25 RS1/16S103J...
  • Page 30 KEX-M9086ZT ,M9086ZT-91 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- RS1/8S223J CKSYB104K50 RS1/8S103J CKSQYB103K50 RS1/16S473J CKSRYB182K50 RS1/16S104J CKSRYB822K25 RS1/16S224J CKSRYB333K16 RS1/16S104J CKSRYB471K50 RS1/8S0R0J RS1/8S0R0J Unit Number : CWM5423 RS1/8S0R0J Unit Name : Main Unit...
  • Page 31 KEX-M9086ZT ,M9086ZT-91 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- Diode UDZ5R6(B) RS1/10S391J Diode UDZ20(B) RS1/10S471J Diode GP30DL-6372 RS1/10S102J Diode MA8047(L) RS1/10S104J Diode MA8082(L) RS1/10S101J Diode 1SS355 RS1/10S101J Diode MA8082(H) RS1/10S334J...
  • Page 32 KEX-M9086ZT ,M9086ZT-91 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- RS1/10S222J CEALNP4R7M16 RS1/10S222J CEALNP4R7M16 RS1/10S222J CCSQCH101J50 RS1/10S0R0J CCSQCH101J50 RS1/10S222J CCSQCH101J50 RS1/10S473J CCSQCH101J50 RS1/10S223J CKSQYB474K16 RS1/10S103J CEAL1R0M50 RS1/10S473J CEAL1R0M50 RS1/10S473J CEAL1R0M50 RS1/10S222J...
  • Page 33 KEX-M9086ZT ,M9086ZT-91 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- CKSQYB223K50 CKSQYB223K50 CEAL101M10 100µF/10V CCH1282 CKSQYB103K50 CKSQYB103K50 CKSQYB102K50 CKSQYB103K50 CKSQYB223K50 CEAL101M10 CCSQCH330J50 CKSQYB472K50 CKSQYB102K50 CKSYB103K50 CKSQYB102K50 CKSQYB102K50 Unit Number: CKSQYB103K50 Unit Name : PCB Unit...

  • Page 36: Adjustment

    KEX-M9086ZT ,M9086ZT-91 FM ADJUSTMENT Modulation M:MONO MOD., 400Hz 30%(22.5kHz Dev.) or 400Hz 100%(75kHz Dev.) S1:STEREO MOD., 1kHz, L or R=30%(20.25kHz+7.5kHz Dev.) NOTE:Before proceeding to further adjustments after switching power ON, let the tuner run for ten minutes to allow the circuits to stabilize. FM SSG Displayed Adjustment...

  • Page 37: General Information

    KEX-M9086ZT ,M9086ZT-91 7. GENERAL INFORMATION 7.1 IC PA4026A LA1061M...
  • Page 38 KEX-M9086ZT ,M9086ZT-91 Pin Functions (PD4846B) Pin No. Pin Name Format Function and Operation 1–3 Not used AVSS A/D GND Not used AVREF1 (Connect to VDD) Not used Station detector input SYSMT System mute output Data input from PLL IC Data output for PLL IC Serial clock output for PLL IC Chip enable output for PLL IC FMMUT...
  • Page 39 KEX-M9086ZT ,M9086ZT-91 *PD4846B Format Meaning C MOS IC's marked by* are MOS type. Be careful in handling them because they are very liable to be damaged by electrostatic induction. S-80736AN-D0...

  • Page 40: Diagnosis

    KEX-M9086ZT ,M9086ZT-91 7.2 DIAGNOSIS 7.2.1 DIAGNOSIS MODE...
  • Page 41 KEX-M9086ZT ,M9086ZT-91...
  • Page 42 KEX-M9086ZT ,M9086ZT-91...
  • Page 43 KEX-M9086ZT ,M9086ZT-91...

  • Page 44: Disassembly

    KEX-M9086ZT ,M9086ZT-91 7.2.2 DISASSEMBLY Removing the Case(Fig.18) 1. Remove the three screws. 2. Remove the Case. Fig. 18 Removing the Cassette Mechanism Module(not shown) 1. Remove the four screws. 2. Disconnect the connector. 3. Remove the Cassette Mechanism Module. Removing the Main Unit(Fig.19) 1.

  • Page 45: Connector Function Description

    KEX-M9086ZT ,M9086ZT-91 7.2.3 CONNECTOR FUNCTION DESCRIPTION MUTE ATX- ATX+ ANT EJCT Fig. 20...

  • Page 46: Explanation

    KEX-M9086ZT ,M9086ZT-91 7.3 EXPLANATION 7.3.1 BLOCK DIAGRAM Fig. 21...

  • Page 47: System Block Diagram

    KEX-M9086ZT ,M9086ZT-91 7.3.2 SYSTEM BLOCK DIAGRAM Power Supply(+B, ACC) BUS Signal Audio Signal KEX-M9086ZT/UC GM-9086ZT/UC POWER HEAD UNIT DISPLAY AMPLIFIER DISC PLAYER INTEGRATED ASSY PANEL Vehicle CDX-M9086ZT/UC CDX-M9186ZT/UC Fig. 22...

  • Page 48: Operations And Specifications

    P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A. PIONEER ELECTRONIC [EUROPE] N.V. Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 501 Orchard Road, #10-00, Wheelock Place, Singapore 238880 C PIONEER ELECTRONIC CORPORATION 1997 K-ZEB. DEC. 1997 Printed in Japan...

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