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ORDER NO.
CRT2229
Service
Manual
PUB. NO.
CRT2229
HEAD UNIT
Manufactured for TOYOTA
by PIONEER ELECTRONIC CORPORATION
VEHICLE
DESTINATION
PRODUCED AFTER
ID No.
TOYOTA PART No.
PIONEER MODEL No.
LEXUS GS300
EUROPE
August 1998
P3716
86120-3A591
KEX-M8276ZT-02/EW
KEX-M8276ZT-92/EW
LEXUS GS300
U.K.
August 1998
P3717
86120-3A601
KEX-M8376ZT-02/EW
KEX-M8376ZT-92/EW
AUDIO SYSTEM
GS300


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2
KEX-M8276ZT-02,M8276ZT-92,M8376ZT-02,M8376ZT-92
- This additional service manual is designed to be used together with Model KEX-M8276ZT/EW and
KEX-M8376ZT/EW Service Manual CRT2052. Refer to it for finding parts numbers and adjustment,etc.
which are not shown in this manual.
EXTERIOR(Page 3)
- EXTERIOR PARTS LIST
Part No.
Mark No. Description
KEX-M8276ZT/EW KEX-M8276ZT-02/EW
10 Tuner Amp Assy
CWM5080
Not used
10 Control Unit
Not used
CWM6125
31 Keyboard Assy
CWM5083
Not used
31 Keyboard Unit
Not used
CWM6126
43 Grille Unit
CXA9720
CXB3200
46 Door
CAT1865
CAT1996
Part No.
Mark No. Description
KEX-M8376ZT/EW KEX-M8376ZT-02/EW
10 Tuner Amp Assy
CWM5081
Not used
10 Control Unit
Not used
CWM6127
31 Keyboard Assy
CWM5084
Not used
31 Keyboard Unit
Not used
CWM6128
43 Grille Unit
CXA9721
CXB3201
46 Door
CAT1866
CAT1997
- Supplementary model is identical to the original except for the addition of following items.
Description
Part No.
KEX-M8276ZT-92/EW
KEX-M8376ZT-92/EW
Polyethylene Bag
CEG1042
CEG1042
Cover
CEG1045
CEG1045
Carton
CHA1718
CHA1718
Contain Box
CHD1718
CHD1718
EXPLODED VIEWS AND PARTS LIST


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3
KEX-M8276ZT-02,M8276ZT-92,M8376ZT-02,M8376ZT-92
ELECTRICAL PARTS LIST(Page 26)
Tuner Amp Assy
Control Unit
Part No.
KEX-M8276ZT/EW KEX-M8276ZT-02/EW
Symbol and Description
KEX-M8376ZT/EW KEX-M8376ZT-02/EW
IC701
PD4791D
PE5008B
Q822
Not used
DTA114EK
D811
Not used
UDZ10(B)
D812
Not used
1SS355
R850
Not used
RS1/8S472J
R851
Not used
RS1/10S103J
R852
Not used
RS1/10S821J
R853,R854,R855
Not used
RS1/10S472J
R856
RS1/10S273J
Not used
R857
RS1/10S104J
Not used
C825
Not used
CEAL2R2M50
SCHEMATIC DIAGRAMS
Control Unit


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KEX-M8276ZT-02,M8276ZT-92,M8376ZT-02,M8376ZT-92
PIONEER ELECTRONIC CORPORATION
4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan
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. 501 Orchard Road, #10-00, Wheelock Place, Singapore 238880
C PIONEER ELECTRONIC CORPORATION 1998
K-ZZU JULY 1998 Printed in Japan