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Service
Manual ORDER NO.
CRT2541
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 86120-60290 P6808 FX-MG8606ZT/UC
LEXUS LX470 U.S.A., CANADA August 2000 86120-60290 P6808 FX-MG8606ZT-91/UC
LEXUS LX470 U.S.A., CANADA August 2000 86120-60420 P6809 FX-MG8706ZT/UC
LEXUS LX470 U.S.A., CANADA August 2000 86120-60420 P6809 FX-MG8706ZT-91/UC
Manufactured for TOYOTA
by PIONEER CORPORATION PUB. NO. CRT2541
FX-MG8606ZT,MG8606ZT-91,MG8706ZT,MG8706ZT-91
FX-MG8606ZT/UC FX-MG8706ZT/UC
ID No.P6808 ID No.P6809
- This service manual should be used together with the following manual(s):
Model No. Order No. Mech. Module Remarks
CX-631 CRT1640 2L Cassette Mech. Module:Mech.Description, Disassembly
CX-890 CRT2376 G1 CD Mech. Module:Circuit Description, Mech.Description, Disassembly
- Dolby noise reduction manufactured under license from Dolby Laboratories Licensing Corporation.
"Dolby" and the double-D symbol are trademarks of Dolby Laboratories Licensing Corporation.
- Supplementary model is identical to the original except for the addition of following items.
Description Part No.
FX-MG8606ZT-91/UC FX-MG8707ZT-91/UC
Polyethylene Bag CEG1026 CEG1026
Carton CHA4143 CHA4143
Contain Box CHL4143 CHL4144
Protector(TOP) CHP2327 CHP2327
Protector(BOTTOM) CHP2328 CHP2328
CONTENTS
1. SAFETY INFORMATION ............................................4 7. GENERAL INFORMATION .......................................76
2. EXPLODED VIEWS AND PARTS LIST .......................5 7.1 DIAGNOSIS .......................................................76
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ...12 7.1.1 TEST MODE.............................................76
4. PCB CONNECTION DIAGRAM ................................36 7.1.2 DISASSEMBLY ........................................81
5. ELECTRICAL PARTS LIST ........................................60 7.1.3 PCB LOCATIONS .....................................86
6. ADJUSTMENT..........................................................70 7.1.4 CONNECTOR FUNCTION DESCRIPTION ..87
7.2 PARTS ................................................................88
7.2.1 IC ..............................................................88
7.2.2 DISPLAY...................................................93
7.3 EXPLANATION..................................................94
7.3.1 SYSTEM BLOCK DIAGRAM ...................94
7.3.2 OPERATIONAL FLOW CHART ................95
8. OPERATIONS AND SPECIFICATIONS.....................96
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FX-MG8606ZT,MG8606ZT-91,MG8706ZT,MG8706ZT-91
- CD Player Service Precautions
1. Never attempt to turn on this unit when the CD drive
mechanism is upside down. Doing so could cause
damage or malfunction to the drive mechanism.
2. For pickup unit(CXX1313) handling, please refer
to"Disassembly"(see page 81).
During replacement, handling precautions shall be
taken to prevent an electrostatic discharge(protection
by a short pin).
3. During disassembly, be sure to turn the power off
since an internal IC might be destroyed when a con-
nector is plugged or unplugged.
4. Please checking the grating after changing the ser-
vice pickup unit(see page 74).
- When the Repair is Complete
When the repair is complete, make the CD mechanism
ready for transportation
Bup On, Acc OFF
SEEK/TRACK UP+
DISC(CD)+Acc ON
Display :
The mode is shifting to the transportation mode.
Disc loading slot illumination : Blinking
Display : SHIP
Shift completion to the transportation mode.
Disc loading slot illumination : Lighting
Bup OFF, Acc OFF
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FX-MG8606ZT,MG8606ZT-91,MG8706ZT,MG8706ZT-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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FX-MG8606ZT,MG8606ZT-91,MG8706ZT,MG8706ZT-91
2. EXPLODED VIEWS AND PARTS LIST
2.1 EXTERIOR
5
FX-MG8606ZT,MG8606ZT-91,MG8706ZT,MG8706ZT-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 BMZ26P040FMC 51 Lighting Conductor CNV6281
2 Screw BMZ30P050FMC 52 Lighting Conductor CNV6282
3 Connector CDE6509 53 Keyboard Unit CWS1334
4 Connector CDE6448 54 LCD(LCD901) CAW1595
5 Chassis CNA2257 55 Connector(CN902) CKS4361
6 Frame CNC9130 56 Holder CNC8805
7 Insulator CNM6650 57 Spacer CNM6968
8 Control Unit CWM7048 58 Lighting Conductor CNV6199
9 Terminal(CN703) CKF1064 59 Rubber CNV6200
10 Connector(CN701) CKS3989 60 Connector CNV6428
11 Connector(CN702) CKS4376 61 Knob Unit CXB5578
12 Main Unit CWM7161 62 Grille Unit(FX-MG8606ZT/UC) CXB6484
13 Screw BMZ30P060FMC 62 Grille Unit(FX-MG8706ZT/UC) CXB6485
14 Screw(M3x6) CBA1393 63 Screw BPZ20P080FMC
15 Terminal(CN800) CKF1059 64 Door CAT2186
16 Plug(CN803) CKM1221 65 Washer CBF1037
17 Connector(CN801) CKM1322 66 Spring CBH2446
18 Plug(CN300) CKS-291 67 Lighting Conductor CNV6110
19 Connector(CN301) CKS3568 68 Lighting Conductor CNV6111
20 Connector(CN804) CKS4361 69 Holder CNV6117
21 Connector(CN303) CKS4376 70 Gear CNV6435
22 86146-48030(ANT1) CKX1057 71 Screw IMS20P030FMC
23 86146-48040(ANT2) CKX1058 72 Chassis Unit CXB6097
24 Holder CNC8704 73 Screw BMZ20P020FMC
25 Spacer CNM7022 74 Screw BMZ26P030FMC
26 FM/AM Tuner Unit CWE1611 75 Mechanism Assy(Service)CXX1431
27 Holder CNC6774 76 Screw(M2x2) CBA1250
28 Screw BPZ26P100FMC 77 Spring CBH2361
29 Button(LOAD) CAC6928 78 Spring CBH2365
30 Button(CD EJECT) CAC6929 79 Spring Unit CXB6850
31 Button(TRAF) CAC6930 80 Chassis CNA2256
32 Button(TAPE EJECT) CAC6931 81 Case CNB2549
33 Button(1,2) CAC6601 82 Holder CNC7477
34 Button(3,4) CAC6602 83 Holder CNC7826
35 Button(5,6) CAC6603 84 Holder CNC8701
36 Button(SCAN,MSG) CAC6604 85 Insulator CNM5969
37 Button(AM) CAC6605 86 Sheet CNM5981
38 Button(FM) CAC6932 87 Sheet CNM6318
39 Button(TAPE) CAC6933 88 Cushion CNM7023
40 Button(DISC) CAC6608 89 PCB CNP5516
41 Button(SEEK,TRACK) CAC6609 90 Damper CNV5120
42 Button(RDS,TYPE) CAC6610 91 Holder CNV5543
43 Door CAT2142 92 Screw IMS20P040FMC
44 Spring CBH2435 93 Cassette Mechanism Module EXK3891
45 Holder CNV6107 94 Screw IMS26P040FMC
46 Lighting Conductor CNV6201 95 Screw ISS26P060FMC
47 Lighting Conductor CNV6202 96 Screw PMB26P060FMC
48 Holder CNV6205 97 Transistor(Q809,811,812) 2SB1185
49 Lighting Conductor CNV6260 98 Bracket Unit CXB6083
50 Lighting Conductor CNV6261 99 Spacer CNM7167
100 Cushion CNM7168
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FX-MG8606ZT,MG8606ZT-91,MG8706ZT,MG8706ZT-91
2.2 CD MECHANISM
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FX-MG8606ZT,MG8606ZT-91,MG8706ZT,MG8706ZT-91
- CD MECHANISM SECTION PARTS LIST
Mark No. Description Part No. Mark No. Description Part No.
1-9