Pioneer GS300 User manual

ORDER NO.
CRT2230
Se r v i c e
M a nu a l
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
1234
B
C
D
1234
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
5678
A
B
C
D
5678 5678
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
1234
B
C
D
1234
TUNER CONTROL PCB KEYBOARD UNIT
MOTHER
PCB
DECK UNIT
RES
A-a A-b
A-a
F

5
KEX-M8076ZT-02,M8076ZT-92
5678
A
B
C
D
5678
AVC-LAN
TUNER MUTE M
UNB
RES
A-a A-b
A-a
F

6
KEX-M8076ZT-02,M8076ZT-92
A
1234
B
C
D
1234
MUTE
ANT
RESET
8V REGULATOR
8V REGULATOR
LCD LAMP
DRIVE
ILL DRIVE
LCD UNIT
A-a A-b
A-b
F

7
KEX-M8076ZT-02,M8076ZT-92
5678
A
B
C
D
5678
MIX-AMP
UNBAL-BAL
ANALOG SWITCH
MUTE
RESET
5V REGULATOR
A-a A-b
A-b
F

8
KEX-M8076ZT-02,M8076ZT-92
A
1234
B
C
D
1234
Capacitor
Connector
P.C.Board Chip Part
SIDE A
SIDE B
NOTE FOR PCB DIAGRAMS
1. The parts mounted on this PCB
include all necessary parts for
several destination.
For further information for
respective destinations, be sure
to check with the schematic
diagram.
2. Viewpoint of PCB diagrams
PCB CONNECTION DIAGRAM
MOTHER PCB
A
F
A
MOTHER PCB
F
C
CN1004
I
CN652,CN653

9
KEX-M8076ZT-02,M8076ZT-92
5678
A
B
C
D
5678
SIDE A
A
F
D
CN251
C
CN1003

10
KEX-M8076ZT-02,M8076ZT-92
A
1234
B
C
D
1234
A
MOTHER PCB
F
A
F