PIONEER LX470 LEXSUS Service Manual

Cover page of PIONEER LX470 LEXSUS Service Manual

Service Manual for PIONEER LX470 LEXSUS, downloadable as a PDF file.

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ORDER NO.
CRT2120
Service
Manual
PUB. NO.
CRT2120
AUDIO SYSTEM
POWER AMPLIFIER
Manufactured for TOYOTA
by PIONEER ELECTRONIC CORPORATION
LX470
VEHICLE
DESTINATION
PRODUCED AFTER
TOYOTA PART No.
ID No.
PIONEER MODEL No.
LEXUS LX470
U.S.A. , CANADA
January 1998
86280-60160
GM-8086ZT/UC
LEXUS LX470
U.S.A. , CANADA
January 1998
86280-60160
GM-8086ZT-91/UC
background image
ORDER NO.
CRT2120
Service
Manual
PUB. NO.
CRT2120
AUDIO SYSTEM
POWER AMPLIFIER
Manufactured for TOYOTA
by PIONEER ELECTRONIC CORPORATION
LX470
VEHICLE
DESTINATION
PRODUCED AFTER
TOYOTA PART No.
ID No.
PIONEER MODEL No.
LEXUS LX470
U.S.A. , CANADA
January 1998
86280-60160
GM-8086ZT/UC
LEXUS LX470
U.S.A. , CANADA
January 1998
86280-60160
GM-8086ZT-91/UC
background image
2
GM-8086ZT,8086ZT-91
1. SAFETY INFORMATION
This service manual is intended for qualified service technicians; it is not meant for the casual do-it-yourselfer.
Qualified technicians have the necessary test equipment and tools, and have been trained to properly and safely repair
complex products such as those covered by this manual.
Improperly performed repairs can adversely affect the safety and reliability of the product and may void the warranty.
If you are not qualified to perform the repair of this product properly and safely, you should not risk trying to do so
and refer the repair to a qualified service technician.
CONTENTS
1. SAFETY INFORMATION ............................................2
2. EXPLODED VIEWS AND PARTS LIST .......................3
3. SCHEMATIC DIAGRAM .............................................4
4. PCB CONNECTION DIAGRAM ................................10
5. ELECTRICAL PARTS LIST ........................................14
6. ADJUSTMENT..........................................................17
7. GENERAL INFORMATION .......................................18
7.1 IC .........................................................................18
7.2 DIAGNOSIS ........................................................19
7.2.1 DISASSEMBLY..........................................19
7.2.2 CONNECTOR FUNCTION DESCRIPTION .......20
7.3 EXPLANATION...................................................20
7.3.1 SYSTEM BLOCK DIAGRAM .....................20
7.3.2 BLOCK DIAGRAM .....................................21
8. OPERATIONS AND SPECIFICATIONS.....................22
- GM-8086ZT/UC has adopted AVC-LAN.
GM-8086ZT/UC, GM-8086ZT-91/UC
NOTE:
- The GM-8086ZT-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 GM-8086ZT/UC and GM-8086ZT-91/UC.
- Supplementally model is identical to the original except for the addition of following items.
Description
Part No.
Carton
CHG3497
Contain Box
CHL3497
Cover
CEG1045
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3
GM-8086ZT,8086ZT-91
2. EXPLODED VIEWS AND PARTS LIST
2.1 EXTERIOR
1 Screw
BMZ30P060FMC
2 Screw
BMZ50P080FMC
3 Screw
CBA1427
4 Chassis
CNA1939
5 Case
CNB2298
6 Bracket
CNC7181
*
7 Seal
CNM5381
*
8 Seal
CNM5714
*
9 Heat Sink
CNR1482
10 Amp Unit
CWM5422
11 Screw
BMZ30P060FMC
12 Screw
CBA1409
13 Connector(CN954)
CKM1124
14 Connector(CN951)
CKM1125
15 Connector(CN952)
CKM1126
16 Connector(CN953)
CKM1127
17 Holder
CNC7146
18 Bracket
CNC7147
19 Transistor(Q903)
2SD1273
20 IC(IC601)
TA8221AH1
21 IC(IC602)
TA8221AH1
22 IC(IC603)
TA8221AH1
- EXTERIOR SECTION PARTS LIST
Mark No. Description
Part No.
Mark No. Description
Part No.
Fig. 1
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.
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4
GM-8086ZT,8086ZT-91
A
1
234
B
C
D
12
34
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".
A-a
A
A-a
A-b
A-a
A-b
A-b
A-a
Large size
SCH diagram
Guide page
Detailed page
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5
GM-8086ZT,8086ZT-91
5
6
7
8
A
B
C
D
5
6
7
8
Fig. 2
A
A-b
A AMP UNIT

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