PIONEER KEXM8406ZT Service Manual

Cover page of PIONEER KEXM8406ZT Service Manual

Service Manual for PIONEER KEXM8406ZT, downloadable as a PDF file.

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ORDER NO.
CRT2528
PUB. NO.
CRT2528
AUDIO SYSTEM
HEAD UNIT
Manufactured for TOYOTA
by PIONEER CORPORATION
VEHICLE
DESTINATION
PRODUCED AFTER
TOYOTA PART No.
ID No.
PIONEER MODEL No.
LEXUS GS430
U.S.A., CANADA
August 2000
86120-3A521
P1718
KEX-M8406ZT/UC
LEXUS GS430
U.S.A., CANADA
August 2000
86120-3A521
P1718
KEX-M8406ZT-91/UC
LEXUS GS430
U.S.A., CANADA
August 2000
86120-3A750
P1723
KEX-M9406ZT/UC
LEXUS GS430
U.S.A., CANADA
August 2000
86120-3A750
P1723
KEX-M9406ZT-91/UC
GS430
Service
Manual
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ORDER NO.
CRT2528
PUB. NO.
CRT2528
AUDIO SYSTEM
HEAD UNIT
Manufactured for TOYOTA
by PIONEER CORPORATION
VEHICLE
DESTINATION
PRODUCED AFTER
TOYOTA PART No.
ID No.
PIONEER MODEL No.
LEXUS GS430
U.S.A., CANADA
August 2000
86120-3A521
P1718
KEX-M8406ZT/UC
LEXUS GS430
U.S.A., CANADA
August 2000
86120-3A521
P1718
KEX-M8406ZT-91/UC
LEXUS GS430
U.S.A., CANADA
August 2000
86120-3A750
P1723
KEX-M9406ZT/UC
LEXUS GS430
U.S.A., CANADA
August 2000
86120-3A750
P1723
KEX-M9406ZT-91/UC
GS430
Service
Manual
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2
KEX-M8406ZT,M8406ZT-91,M9406ZT,M9406ZT-91
- Dolby noise reduction manufactured under license from Dolby Laboratories Licensing Corporation.
"Dolby" and the double-D symbol are trademarks of Dolby Laboratories Licensing Corporation.
- These models do not provide the test mode for CD changers.
- KEX-M8406ZT/UC and KEX-M9406ZT/UC have adopted AVC-LAN.
KEX-M8406ZT/UC
- Supplementary model is identical to the original except for the addition of following items.
Description
Part No.
KEX-M8406ZT-91/UC KEX-M9406ZT-91/UC
Polyethylene Bag
CEG1026
CEG1026
Carton
CHA2025
CHA2025
Contain Box
CHL4166
CHL4167
Protector
CHP2331
CHP2331
KEX-M9406ZT/UC
ID No.P1718
ID No.P1723
- This service manual should be used together with the following manual(s):
Model
Order No.
Mech. Module
Remarks
CX-631
CRT1640
2L
Cassette Mech. Module:Mech.Description
CONTENTS
1. SAFETY INFORMATION ............................................3
2. EXPLODED VIEWS AND PARTS LIST .......................4
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM .....8
4. PCB CONNECTION DIAGRAM ................................22
5. ELECTRICAL PARTS LIST ........................................34
6. ADJUSTMENT..........................................................42
7. GENERAL INFORMATION .......................................46
7.1 DIAGNOSIS .......................................................46
7.1.1 DIAGNOSIS MODE .................................46
7.1.2 DISASSEMBLY ........................................50
7.1.3 CONNECTOR FUNCTION DESCRIPTION ..51
7.1.4 TROUBLESHOOTING..............................52
7.2 PARTS ................................................................53
7.2.1 IC ..............................................................53
7.2.2 DISPLAY...................................................56
7.3 EXPLANATION..................................................57
7.3.1 SYSTEM BLOCK DIAGRAM ...................57
7.3.2 OPERATIONAL FLOW CHART ................58
8. OPERATIONS AND SPECIFICATIONS.....................59
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3
KEX-M8406ZT,M8406ZT-91,M9406ZT,M9406ZT-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.
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4
KEX-M8406ZT,M8406ZT-91,M9406ZT,M9406ZT-91
2
2
2
2
61
3
61
1
1
1
60
4
50
50
52
23
49
51
23
53
39
39
40
31
61
56
54
55
24
25
27
26
32
34
35
36
56
55
54
61
57
43
42
58
59
38
41
28
29
30
33
48
46
23
45
47
23
23
23
61
23
20
21
23
37
23
37
5
2
22
2
2
2
2
15
16
61
9
9
9
11
13
12
63
62
19
14
17
7
8
8
18
8
6
10
44
2. EXPLODED VIEWS AND PARTS LIST
2.1 EXTERIOR
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5
KEX-M8406ZT,M8406ZT-91,M9406ZT,M9406ZT-91
- EXTERIOR SECTION PARTS LIST
Mark No. Description
Part No.
Mark No. Description
Part No.
1 Screw
BMZ26P050FMC
2 Screw
BMZ30P050FMC
3 Case
CNB2550
4 Holder
CNC8972
5 Insulator
CNM6849
6 Cushion
CNM6935
7 Main Unit
CWM7090
8 Screw
BMZ30P080FMC
9 Screw
BPZ30P060FSN
10 Terminal(CN202)
CKF1059
11 Terminal(CN303)
CKF1059
12 Connector(CN302)
CKM1065
13 Connector(CN301)
CKM1322
14 Plug(CN652)
CKS3535
15 Plug(CN651)
CKS3542
16 Connector(CN701)
CKS3568
17 Antenna Jack(CN201)
CKX1024
18 Holder
CNC8711
19 Holder
CNC8712
20 FM/AM Tuner Unit
CWE1543
21 Holder
CNC6774
22 Chassis Unit
CXB5288
23 Screw
BPZ26P100FMC
24 Button(EJECT)
CAC4839
25 Button(AM)
CAC4841
26 Button(TAPE)
CAC4843
27 Button(FM)
CAC4848
28 Button(1,2)
CAC5274
29 Button(3,4)
CAC5275
30 Button(5,6)
CAC5276
31 Button(SEEK,TRACK)
CAC6543
32 Button(DISC)
CAC6544
33 Button(SCAN,MSG)
CAC6545
34 Button(RDS)
CAC6546
35 Button(TRAF)
CAC6547
36 Button(TYPE)
CAC6548
37 Holder
CNC7052
38 Holder
CNV4738
39 Holder
CNV4739
40 Holder
CNV4740
41 Holder
CNV4741
42 Lighting Conductor
CNV4883
43 Holder
CNV5337
44 Keyboard Unit
CWM7101
45 Socket(CN902)
CKS3548
46 Socket(CN901)
CKS3555
47 Socket(CN903)
CKS3972
48 Rubber
CNV4743
49 LCD Unit
CWM7104
50 Screw
BPZ26P100FMC
51 LCD
CAW1594
52 Plug(CN951)
CKS3574
53 Holder
CNV6140
54 Knob Assy
CXA9518
*
55 Knob
CAA1401
56 Spring
CBL-108
57 Grille Unit(M8406ZT)
CXB5287
Grille Unit(M9406ZT)
CXB5582
58 Door(M8406ZT)
CAT2127
Door(M9406ZT)
CAT2140
59 Spring
CBH1371
60 Cassette Mechanism ModuleEXK3885
61 Screw
IMS26P050FMC
62 Transistor(Q331)
2SB1185
63 Transistor(Q521,522)
2SB1185
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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