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Pioneer KEX-M9086ZT/UC Service Manual
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Pioneer KEX-M9086ZT/UC Service Manual

Pioneer KEX-M9086ZT/UC Service Manual

Lexus rx300 1998 audio system head unit
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S
ervice
M anua l
AUDIO SYSTEM
HEAD UNIT
VEHICLE
DESTINATION
LEXUS RX300
U.S.A. , CANADA
LEXUS RX300
U.S.A. , CANADA
Manufactured for TOYOTA
by PIONEER ELECTRONIC CORPORATION
RX300
PRODUCED AFTER
TOYOTA PART No.
February 1998
86120-48050
February 1998
86120-48050
ORDER NO.
CRT2088
ID No.
PIONEER MODEL No.
P1714
KEX-M9086ZT/UC
P1714
KEX-M9086ZT-91/UC
CRT2088
PUB. NO.

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Summary of Contents for Pioneer KEX-M9086ZT/UC

  • Page 1 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 2: Table Of Contents

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

  • Page 3: Exploded Views And Parts List

    KEX-M9086ZT ,M9086ZT-91 2. EXPLODED VIEWS AND PARTS LIST 2.1 EXTERIOR Fig. 1...
  • Page 4 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 5 KEX-M9086ZT ,M9086ZT-91 2.2 CASSETTE MECHANISM MODULE Fig. 2...
  • Page 6 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 7: 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 8 KEX-M9086ZT ,M9086ZT-91 PD4846B DECK UNIT Fig. 3 PCB UNIT REEL PCB...
  • Page 9 KEX-M9086ZT ,M9086ZT-91...
  • Page 10 KEX-M9086ZT ,M9086ZT-91 Fig. 4...
  • Page 11 KEX-M9086ZT ,M9086ZT-91...
  • Page 12 KEX-M9086ZT ,M9086ZT-91 Fig. 5...
  • Page 13 KEX-M9086ZT ,M9086ZT-91 3.2 TUNER UNIT...
  • Page 14 KEX-M9086ZT ,M9086ZT-91 Fig. 6...
  • Page 15 KEX-M9086ZT ,M9086ZT-91 3.3 CASSETTE MECHANISM MODULE CN702...
  • Page 16 KEX-M9086ZT ,M9086ZT-91 Fig. 7...

  • Page 19: 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 20: General Information

    KEX-M9086ZT ,M9086ZT-91 7. GENERAL INFORMATION 7.1 IC PA4026A LA1061M...
  • Page 21 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 22 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 23: Diagnosis

    KEX-M9086ZT ,M9086ZT-91 7.2 DIAGNOSIS 7.2.1 DIAGNOSIS MODE...
  • Page 24 KEX-M9086ZT ,M9086ZT-91...
  • Page 25 KEX-M9086ZT ,M9086ZT-91...
  • Page 26 KEX-M9086ZT ,M9086ZT-91...

  • Page 27: 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 28: Connector Function Description

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

  • Page 29: Explanation

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

  • Page 30: 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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