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Service
Manual ORDER NO.
CRT2536
GS430
AUDIO SYSTEM
HEAD UNIT
VEHICLE DESTINATION PRODUCED AFTER TOYOTA PART No. ID No. PIONEER MODEL No.
LEXUS GS430 EUROPE August 2000 86120-3A532 P3722 KEX-M9006ZT/EW
LEXUS GS430 EUROPE August 2000 86120-3A532 P3722 KEX-M9006ZT-91/EW
LEXUS GS430 EUROPE August 2000 86120-3A542 P3724 KEX-M9106ZT/EW
LEXUS GS430 EUROPE August 2000 86120-3A542 P3724 KEX-M9106ZT-91/EW
Manufactured for TOYOTA
by PIONEER CORPORATION PUB. NO. CRT2536
KEX-M9006ZT,M9006ZT-91,M9106ZT,M9106ZT-91
KEX-M9006ZT/EW KEX-M9106ZT/EW
ID No.P3722 ID No.P3724
- 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
- 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-M9006ZT/EW and KEX-M9106ZT/EW have adopted AVC-LAN.
- Supplementary model is identical to the original except for the addition of following items.
Description Part No.
KEX-M9006ZT-91/EW KEX-M9106ZT-91/EW
Polyethylene Bag CEG1026 CEG1026
Carton CHA2025 CHA2025
Contain Box CHL4168 CHL4169
Protector CHP2331 CHP2331
CONTENTS
1. SAFETY INFORMATION ............................................3 7. GENERAL INFORMATION .......................................52
2. EXPLODED VIEWS AND PARTS LIST .......................4 7.1 DIAGNOSIS .......................................................52
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ...10 7.1.1 DIAGNOSIS MODE .................................52
4. PCB CONNECTION DIAGRAM ................................26 7.1.2 DISASSEMBLY ........................................56
5. ELECTRICAL PARTS LIST ........................................40 7.1.3 CONNECTOR FUNCTION DESCRIPTION ..57
6. ADJUSTMENT..........................................................48 7.1.4 TROUBLESHOOTING................................58
7.2 PARTS ................................................................59
7.2.1 IC ..............................................................59
7.2.2 DISPLAY...................................................62
7.3 EXPLANATION..................................................64
7.3.1 CIRCUIT DESCRIPTION...........................64
7.3.2 SYSTEM BLOCK DIAGRAM ...................65
7.3.3 OPERATIONAL FLOW CHART ................66
8. OPERATIONS AND SPECIFICATIONS.....................67
2
KEX-M9006ZT,M9006ZT-91,M9106ZT,M9106ZT-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.
3
KEX-M9006ZT,M9006ZT-91,M9106ZT,M9106ZT-91
2. EXPLODED VIEWS AND PARTS LIST
2.1 EXTERIOR(KEX-M9006ZT) 2
2
61 2
3
2
1 61
1
1
4
23 50
60
52 50
7
49 6
23 17
8
53
51
8
19 18
39
14
21
62 8 63
39 23
37 12
20 11 13
10
23 61
23
61
40 23 9
23 23 16
31 44
47 9 9
15
45 37
61
23
59 38
54 58
56
42 5
48 46
55
2
24
28
29
25 2 2
61 30 43 22
27 41 33
26
56 57
32
55
34
54
2
35
2
36
4
KEX-M9006ZT,M9006ZT-91,M9106ZT,M9106ZT-91
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.
- EXTERIOR SECTION PARTS LIST(KEX-M9006ZT)
Mark No. Description Part No. Mark No. Description Part No.
1 Screw BMZ26P050FMC 41 Holder CNV4741
2 Screw BMZ30P050FMC 42 Lighting Conductor CNV4883
3 Case CNB2550 43 Holder CNV5337
4 Holder CNC8972 44 Keyboard Unit CWM7101
5 Insulator CNM6849 45 Socket(CN902) CKS3548
6 Cushion CNM6935 46 Socket(CN901) CKS3555
7 Main Unit CWM7091 47 Socket(CN903) CKS3972
8 Screw BMZ30P080FMC 48 Rubber CNV4743
9 Screw BPZ30P060FSN 49 LCD Unit CWM7104
10 Terminal(CN202) CKF1059 50 Screw BPZ26P100FMC
11 Terminal(CN303) CKF1059 51 LCD CAW1594
12 Connector(CN302) CKM1065 52 Plug(CN951) CKS3574
13 Connector(CN301) CKM1322 53 Holder CNV6140
14 Plug(CN652) CKS3535 54 Knob Assy CXA9519
15 Plug(CN651) CKS3542 * 55 Knob CAA1402
16 Connector(CN701) CKS3568 56 Spring CBL-108
17 Antenna Jack(CN201) CKX1041 57 Grille Unit CXB6009
18 Holder CNC8711 58 Door CAT2181
19 Holder CNC8712 59 Spring CBH1371
20 FM/AM Tuner Unit CWE1591 60 Cassette Mechanism Module EXK3885
21 Holder CNC6122 61 Screw IMS26P050FMC
22 Chassis Unit CXB5288 62 Transistor(Q331) 2SB1185
23 Screw BPZ26P100FMC 63 Transistor(Q521,522) 2SB1185
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(AST,TXT) CAC6733
34 Button(TA) CAC4936
35 Button(PTY) CAC4850
36 Button(AF) CAC4854
37 Holder CNC7052
38 Holder CNV4738
39 Holder CNV4739
40 Holder CNV4740
5
KEX-M9006ZT,M9006ZT-91,M9106ZT,M9106ZT-91
2.2 EXTERIOR(KEX-M9106ZT)
2
2
61 2
3
2
1 61
1
1
4
23 50
60
52 50
7
49 6
23 17
8
53
51
8
19 18
39
14
21
62 8 63
39 23
37 12
20 11 13
10
23 61
23
61
23 9
23 23 16
44
47 9 9
15
41 45 37
61
23
54
59 38
56
58
55 42 5
48 46
34
24 2
35
28
29
36 25 2 2
61 30 43 22
27 33
26
56 57
32
55
54 40
2
2
31
6
KEX-M9006ZT,M9006ZT-91,M9106ZT,M9106ZT-91
- EXTERIOR SECTION PARTS LIST(KEX-M9106ZT)
Mark No. Description Part No. Mark No. Description Part No.
1 Screw BMZ26P050FMC 36 Button(AF) CAC4854
2 Screw BMZ30P050FMC 37 Holder CNC7052
3 Case CNB2550 38 Holder CNV4738
4 Holder CNC8972 39 Holder CNV4739
5 Insulator CNM6849 40 Holder CNV4740
6 Cushion CNM6935 41 Holder CNV4741
7 Main Unit CWM7092 42 Lighting Conductor CNV4883
8 Screw BMZ30P080FMC 43 Holder CNV5337
9 Screw BPZ30P060FSN 44 Keyboard Unit CWM7102
10 Terminal(CN202) CKF1059 45 Socket(CN902) CKS3548
11 Terminal(CN303) CKF1059 46 Socket(CN901) CKS3555
12 Connector(CN302) CKM1065 47 Socket(CN903) CKS3972
13 Connector(CN301) CKM1322 48 Rubber CNV4743
14 Plug(CN652) CKS3535 49 LCD Unit CWM7281
15 Plug(CN651) CKS3542 50 Screw BPZ26P100FMC
16 Connector(CN701) CKS3568 51 LCD CAW1603
17 Antenna Jack(CN201) CKX1041 52 Plug(CN951) CKS3574
18 Holder CNC8711 53 Holder CNV6140
19 Holder CNC8712 54 Knob Assy CXA9519
20 FM/AM Tuner Unit CWE1591 * 55 Knob CAA1402
21 Holder CNC6122 56 Spring CBL-108
22 Chassis Unit CXB5288 57 Grille Unit CXB6010
23 Screw BPZ26P100FMC 58 Door CAT2182
24 Button(EJECT) CAC4839 59 Spring CBH1371
25 Button(DISC) CAC6837 60 Cassette Mechanism Module EXK3885
26 Button(FM) CAC6836 61 Screw IMS26P050FMC
27 Button(TAPE) CAC5111 62 Transistor(Q331) 2SB1185
28 Button(TXT,AST) CAC6734 63 Transistor(Q521,522) 2SB1185
29 Button(1,2) CAC5274
30 Button(3,4) CAC5275
31 Button(SEEK,TRACK) CAC6543
32 Button(AM) CAC5109
33 Button(5,6) CAC5276
34 Button(TA) CAC4936
35 Button(PTY) CAC4850
7
KEX-M9006ZT,M9006ZT-91,M9106ZT,M9106ZT-91
2.3 CASSETTE MECHANISM MODULE
8
KEX-M9006ZT,M9006ZT-91,M9106ZT,M9106ZT-91
- CASSETTE MECHANISM MODULE SECTION PARTS LIST
Mark No. Description Part No. Mark No. Description Part No.
1 Screw BSZ20P040FMC 31 Gear ENV1347
2 Washer CBF1037 32 Collar ENV1508
3 Washer CBF1038 33 Gear ENV1350
4 Washer CBG1003 34 Flywheel ENV1500
5 Deck Unit EWM1027 35 Worm Gear ENV1439
6 Screw(M2x5) EBA1028 36 Worm Wheel ENV1440
7 Screw(M2x2.5) EBA1037 37 Gear ENR1037
8 Spring EBH1531 38 Lever ENV1533
9 Spring EBH1589 39 Arm ENV1525
10 Connector(CN251) CKS3540 40 Gathering PCB ENX1037
11 Spring EBH1515 41 Gathering PCB ENX1060
12 Spring EBH1587 42 Switch(S1)(S2) ESG1004
13 Spring EBH1517 43 Motor Unit(M2)(SUB) EXA1382
14 Spring EBH1518 44 Chassis Unit EXA1559
15 Spring EBH1519 45 Tube ENM1039
16 Spring EBH1537 46 Roller ENR1027
17 Cord EDD1027 47 Reel Unit EXA1560
18 Photo-interrupter(EGN2,3) EGN1006 48 Head Base Unit EXA1434
19 Photo-interrupter(EGN1) EGN1005 49 Lever Unit EXA1578
20 Roller ENR1031 50 Gear Unit EXA1545
21 Shaft ELA1362 51 Frame Unit EXA1476
22 Roller ELA1348 52 Lever Unit EXA1439
23 Arm ENC1490 53 Head Assy(HD1) EXA1594
24 Arm ENC1397 54 Motor Unit(M1)(MAIN) EXA1499
25 Guide ENC1519 55 Washer HBF-179
26 Holder ENC1516 56 Screw JGZ20P025FNI
27 Lever ENC1448 57 Spring EBH1545
28 Arm ENC1488 58 Washer YE20FUC
29 Roller ENR1023 59 Pinch Roller Unit EXA1533
30 Belt ENT1027 60 Pinch Roller Unit EXA1532
61 Capacitor(C1) CEAL4R7M35
9
1 2 3 4
KEX-M9006ZT,M9006ZT-91,M9106ZT,M9106ZT-91
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM
3.1 BLOCK DIAGRAM
A MAIN UNIT
FM/AM TUNER UNIT
A
CN201
B L2 D5 Q3 L4 D7 T31 Q31 CF51 CF52 CF53 L52
FM-L
25
Q703
41 9 10 14 15 17 19 47 1 2
MUTE
MAIN IC1 30 IC2 19
FM 34 7 AM-L
ANT PA4026A 28 PA4024A Lch
OSC Q705
Q201 6 38 36 32 23 25 31 40 7 43 MUTE
AM RF
AM FMSL SL
26 9
AMSL
CF230 CF232 18 AM NOISE
CANCELLER Q205
AM
FMB IC203
OSC STO/AMDET 10
AM-L 3 9
AMB HA12181FP
AMIFC
D231 ST
ST 3
COMP
AMTV
FMSD
VCO
FMTV
TUNB
PNS
16
19 20 17 15 2114 13 11 6 2
COMP
Q201
SD
25 29 9
5
IC201 PM2007A
4
PLL
PDI
PCK RDS DECODER
XOUT
PDO
XIN
B PCE
20
IC204 PM4006B
18 2 IC205 1 57K
38 37 3
NJM2903M
11 12
TAPE-L
C DECK UNIT
CN252 CN251 CN701
SD
SL
ST
+B
1 4 4 AUD+B
TAPE EQUALIZER 22 25 95 90 89
FWD 51 88 57K
6 Q706 TAPEMUTE PDI
LcH 53
IC251 PCK
3 3
HA12216F TAPE-L PDO
4 PCE
2 17 14
REV
LcH VR301 NR MTL
5
BU
VREF
Q271 SYSTEM CO
B.U 20 20 BU
MTL
RESET IC60
Q351 IC703 1 12
VDD RESET PD558
STBY
Q352 2 S-80736AN-D0
19 18 7 17
5
C SUB
M
MECHANISM DRIVER
MOTOR 2
IC351
PA2020A
DSSILL
LOAD
XOUT
XIN
8 9 1 10 39
E CN253
4 6 1 8 3 2
13 15 51
REEL PCB 4 6 1 8 3 2
BLPW
FWD
SENSE Q573 Q572 Q571 Q528
REV
SENSE
MODE 70