ORDER NO.
CRT2224
Service
Manual
PUB. NO.
CRT2224
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
P3714
86120-3A531
KEX-M8076ZT-02/EW
KEX-M8076ZT-92/EW
LEXUS GS300
EUROPE
August 1998
P3715
86120-3A541
KEX-M8176ZT-02/EW
KEX-M8176ZT-92/EW
LEXUS GS300
OVERSEAS
August 1998
P7512
86120-3A571
KEX-M8476ZT-02/ES
KEX-M8476ZT-92/ES
AUDIO SYSTEM
GS300
2
KEX-M8076ZT-02,M8076ZT-92,M8176ZT-02,M8176ZT-92
KEX-M8476ZT-02,M8476ZT-92
- This additional service manual is designed to be used together with Model KEX-M8076ZT/EW,KEX-
M8176ZT/EW and KEX-M8476ZT/ES Service Manual CRT2056. Refer to it for finding parts numbers
and adjustment,etc. which are not shown in this manual.
EXPLODED VIEWS AND PARTS LIST
EXTERIOR(Page 4)
- EXTERIOR PARTS LIST
Part No.
Mark No. Description
KEX-M8076ZT/EW KEX-M8076ZT-02/EW
5 Main Unit
CWM4934
CWM6157
46 Keyboard Unit
CWM4930
CWM6161
51 LCD Unit
CWM4931
CWM6164
62 Grille Unit
CXB2400
CXB3202
63 Door
CAT1808
CAT1998
- Supplementary model is identical to the original except for the addition of following items.
Description
Part No.
KEX-M8076ZT-92/EW,KEX-M8176ZT-92/EW,KEX-M8476ZT/ES
Polyethylene Bag
CEG1026
Carton
CHA2025
Contain Box
CHD2025
Protector
CHP1972,CHP1973
Part No.
Mark No. Description
KEX-M8176ZT/EW KEX-M8176ZT-02/EW
5 Main Unit
CWM4935
CWM6158
46 Keyboard Unit
CWM4929
CWM6162
51 LCD Unit
CWM4932
CWM6165
62 Grille Unit
CXB2401
CXB3203
63 Door
CAT1809
CAT1999
Part No.
Mark No. Description
KEX-M8476ZT/ES
KEX-M8476ZT-02/ES
5 Main Unit
CWM5419
CWM6046
46 Keyboard unit
CWM5116
CWM6160
51 LCD Unit
CWM4932
CWM6165
62 Grille Unit
CXB2404
CXB3206
63 Door
CAT1885
CAT2002
3
KEX-M8076ZT-02,M8076ZT-92,M8176ZT-02,M8176ZT-92
M8476ZT-02,M8476ZT-92
ELECTRICAL PARTS LIST(Page 45)
Main Unit
Part No.
KEX-M8076ZT/EW KEX-M8076ZT-02/EW
Symbol and Description
KEX-M8176ZT/EW KEX-M8176ZT-02/EW
Q962
Not used
2SA1162
D941
MA8043(H)
HZU4R3(B3)
D954
Not used
UDZ10(B)
R968
Not used
RS1/10S123J
R969,970,971
Not used
RS1/10S103J
R974
Not used
RS1/8S472J
R999
RS1/10S0R0J
Not used
Main Unit
Part No.
Symbol and Description
KEX-M8476ZT/ES
KEX-M8476ZT-02/ES
Q962
Not used
2SA1162
D941
MA8043(H)
HZU4R3(B3)
D954
Not used
UDZ10(B)
R518
Not used
RS1/16S821J
R519
Not used
RS1/16S151J
R968
Not used
RS1/10S123J
R969,970,971
Not used
RS1/10S103J
R974
Not used
RS1/8S472J
R999
RS1/10S0R0J
Not used
C505,506
CCSQCH101J50
CCSRCH101J50
4
A
1
234
B
C
D
12
34
KEX-M8076ZT-02,M8076ZT-92,M8176ZT-02,M8176ZT-92
KEX-M8476ZT-02,M8476ZT-92
TUNER CONTROL PCB
KEYBOARD UNIT
MOTHER
PCB
DECK
UNIT
AVC-LAN
TUNER MUTE
MIX-A
UNBAL
RESET
ANTI-THEFT
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
5
5
6
7
8
A
B
C
D
5
6
7
8
KEX-M8076ZT-02,M8076ZT-92,M8176ZT-02,M8176ZT-92
M8476ZT-02,M8476ZT-92
5
6
7
8
MIX-AMP
NBAL-BAL
ANALOG SWITCH
MUTE
ANT
RESET
8V REGULATOR
5V REGULATOR
8V REGULATOR
LCD LAMP
DRIVE
ILL DRIVE
LCD UNIT
A-b
A F
F