ORDER NO.
CRT2230
Service
Manual
PUB. NO.
CRT2230
HEAD UNIT
Manufactured for TOYOTA
by PIONEER ELECTRONIC CORPORATION
VEHICLE
DESTINATION
PRODUCED AFTER
ID No.
TOYOTA PART No.
PIONEER MODEL No.
LEXUS GS300
MIDDLE EAST
August 1998
P7511
86120-3A551
KEX-M8076ZT-02/ES
KEX-M8076ZT-92/ES
AUDIO SYSTEM
GS300
- This additional service manual is designed to be used together with Model KEX-M8076ZT/UC and KEX-
M8076ZT/ES Service Manual CRT2054. Refer to it for finding parts numbers and adjustment,etc. which
are not shown in this manual.
2
KEX-M8076ZT-02,M8076ZT-92
A
1
234
B
C
D
12
34
TUNER CONTROL PCB
KEYBOARD UNIT
MOTHER
PCB
DECK
UNIT
AVC-LAN
TUNER MUTE
M
UN
RES
SCHEMATIC DIAGRAM
OVERALL CONNECTION DIAGRAM(GUIDE PAGE)
Note: When ordering service parts, be sure to refer to "EXPLODED VIEWS AND PARTS LIST" or "ELECTRICAL PARTS
LIST".
A-a
A-b
A-a
A-b
A-b
A-a
Large size
SCH diagram
Guide page
Detailed page
A-a
A F
F
3
KEX-M8076ZT-02,M8076ZT-92
5
6
7
8
A
B
C
D
5
6
7
8
5
6
7
8
MIX-AMP
UNBAL-BAL
ANALOG SWITCH
MUTE
ANT
RESET
8V REGULATOR
5V REGULATOR
8V REGULATOR
LCD LAMP
DRIVE
ILL DRIVE
LCD UNIT
A-b
A F
F
4
KEX-M8076ZT-02,M8076ZT-92
A
1
234
B
C
D
12
34
TUNER
CONTROL
PCB
KEYBOARD
UNIT
MOTHER
PCB
DECKUNIT
RES
A-a
A-b
A-a F
5
KEX-M8076ZT-02,M8076ZT-92
5
6
7
8
A
B
C
D
5
6
7
8
AVC-LAN
TUNER
MUTE
M
UNB
RES
A-a
A-b
A-a F