Service Manuals, User Guides, Schematic Diagrams or docs for : Lexus Car Audio KEX-M8206_KEX-M8306_LX470
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Service
Manual ORDER NO.
CRT2545
LX470
AUDIO SYSTEM
HEAD UNIT
VEHICLE DESTINATION PRODUCED AFTER TOYOTA PART No. ID No. PIONEER MODEL No.
LEXUS LX470 U.S.A., CANADA August 2000 86120-60390 P1720 KEX-M8206ZT/UC
LEXUS LX470 U.S.A., CANADA August 2000 86120-60390 P1720 KEX-M8206ZT-91/UC
LEXUS LX470 U.S.A., CANADA August 2000 86120-60280 P1722 KEX-M8306ZT/UC
LEXUS LX470 U.S.A., CANADA August 2000 86120-60280 P1722 KEX-M8306ZT-91/UC
Manufactured for TOYOTA
by PIONEER CORPORATION PUB. NO. CRT2545
KEX-M8206ZT,M8206ZT-91,M8306ZT,M8306ZT-91
KEX-M8206ZT/UC KEX-M8306ZT/UC
ID No.P1720 ID No.P1722
- 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-M8206ZT/UC and KEX-M8306ZT/UC have adopted AVC-LAN.
- Supplementary model is identical to the original except for the addition of following items.
Description Part No.
KEX-M8206ZT-91/UC KEX-M8306ZT-91/UC
Polyethylene Bag CEG1106 CEG1106
Carton CHA1721 CHA1721
Contain Box CHL4139 CHL4140
Cover CEG1045 CEG1045
CONTENTS
1. SAFETY INFORMATION ............................................3 7. GENERAL INFORMATION .......................................60
2. EXPLODED VIEWS AND PARTS LIST .......................4 7.1 DIAGNOSIS .......................................................60
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM .....8 7.1.1 DISASSEMBLY ........................................60
4. PCB CONNECTION DIAGRAM ................................30 7.1.2 CONNECTOR FUNCTION DESCRIPTION ..61
5. ELECTRICAL PARTS LIST ........................................44 7.1.3 TROUBLESHOOTING................................62
6. ADJUSTMENT..........................................................55 7.2 IC ........................................................................64
7.3 EXPLANATION..................................................69
7.3.1 SYSTEM BLOCK DIAGRAM ...................69
7.3.2 OPERATIONAL FLOW CHART ................70
8. OPERATIONS AND SPECIFICATIONS.....................71
2
KEX-M8206ZT,M8206ZT-91,M8306ZT,M8306ZT-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-M8206ZT,M8206ZT-91,M8306ZT,M8306ZT-91
2. EXPLODED VIEWS AND PARTS LIST
2.1 EXTERIOR
1
3
1
1
15
5
42
7
16
45
11
6
19 7 17
44
18 9 10
12
43
43
8
14
8 8
8
13
46 21
30 21
24
26
31 21
48
47 21 4
46
40 27
43
21
50
39 49
32 49
33 2
23
34 28
22
38 29
35 25
37
36
41 2
34 26
43
33
32
20
4
KEX-M8206ZT,M8206ZT-91,M8306ZT,M8306ZT-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
Mark No. Description Part No. Mark No. Description Part No.
1 Screw BMZ26P050FMC 30 Keyboard Unit CWM7103
2 Screw BMZ30P050FMC 31 Socket(CN901) CKS3555
3 Case CNB2590 32 Knob Assy CXB5296
4 Insulator CNM6654 * 33 Knob CAA1500
5 Cushion CNM6934 34 Spring CBL-108
6 Main Unit(KEX-M8206ZT) CWM7093 35 Button(AM) CAC5252
Main Unit(KEX-M8306ZT) CWM7096 36 Button(TAPE) CAC5254
7 Screw BMZ30P080FMC 37 Button(FM) CAC5253
8 Screw BPZ30P060FSN 38 Grille Unit(KEX-M8206ZT)CXB6091
9 Terminal(CN202) CKF1059 Grille Unit(KEX-M8306ZT)CXB6092
10 Terminal(CN303) CKF1059 39 Door(KEX-M8206ZT) CAT2133
11 Connector(CN302) CKM1065 Door(KEX-M8306ZT) CAT2135
12 Connector(CN301) CKM1322 40 Spring CBH1371
13 Plug(CN651) CKS3542 41 Button(DISC) CAC6186
14 Connector(CN701) CKS3568 42 Cassette Mechanism Module EXK3885
15 Antenna Jack(CN201) CKX1024 43 Screw IMS26P050FMC
16 Holder CNC8711 44 Transistor(Q331) 2SB1185
17 Holder CNC8712 45 Transistor(Q521) 2SB1185
18 FM/AM Tuner Unit CWE1611 46 Shield CNC9047
19 Holder CNC6774 47 Holder CNV6503
20 Chassis Unit CXB5297 48 Lighting Conductor CNV6501
21 Screw BPZ26P100FMC 49 Holder Unit CXB2765
22 Button(EJECT) CAC6642 50 Lighting Conductor CNV6143
23 Button(CH,PROG,DISC) CAC6771
24 Button(SEEK,TRACK) CAC6772
25 Button(TRAF) CAC6557
26 Lighting Conductor CNV6144
27 Rubber CNV6145
28 Lighting Conductor CNV6500
29 Holder CNV6502
5
KEX-M8206ZT,M8206ZT-91,M8306ZT,M8306ZT-91
2.3 CASSETTE MECHANISM MODULE
6
KEX-M8206ZT,M8206ZT-91,M8306ZT,M8306ZT-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
7
1 2 3 4
KEX-M8206ZT,M8206ZT-91,M8306ZT,M8306ZT-91
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM
3.1 BLOCK DIAGRAM(KEX-M8206ZT)
A MAIN UNIT
FM/AM TUNER UNIT
A
CN201 DIVER
B L2 D5 Q3 L4 D7 T31 Q31 CF51 CF52 CF53 L52
FM-L
SUB
ANT 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
1 IC202 AM
FMB IC203
LA1061M 5,6
OSC STO/AMDET 10
AM-L 3 9
AMB HA12181FP
AMIFC
D231 ST
13 ST 3
COMP
AMTV
FMSD
VCO
FMTV
TUNB
PNS
16
FIX
19 20 17 15 2114 13 11 6 2
Q203
COMP 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 CONT
B.U 20 20 BU
MTL
RESET IC601
Q351 IC703 1 12
VDD RESET PD5579A
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
E CN253
4 6 1 8 3 2
13 15 51
REEL PCB 4 6 1 8 3 2
FWD
SENSE Q528
REV
SENSE
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