ORDER NO.
CRT2541
PUB. NO.
CRT2541
AUDIO SYSTEM
HEAD UNIT
Manufactured for TOYOTA
by PIONEER CORPORATION
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
LX470
Service
Manual
2
FX-MG8606ZT,MG8606ZT-91,MG8706ZT,MG8706ZT-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.
FX-MG8606ZT/UC
- 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
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
CONTENTS
1. SAFETY INFORMATION ............................................4
2. EXPLODED VIEWS AND PARTS LIST .......................5
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ...12
4. PCB CONNECTION DIAGRAM ................................36
5. ELECTRICAL PARTS LIST ........................................60
6. ADJUSTMENT..........................................................70
7. GENERAL INFORMATION .......................................76
7.1 DIAGNOSIS .......................................................76
7.1.1 TEST MODE.............................................76
7.1.2 DISASSEMBLY ........................................81
7.1.3 PCB LOCATIONS .....................................86
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
3
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 :
Display : SHIP
Bup OFF, Acc OFF
Shift completion to the transportation mode.
Disc loading slot illumination : Lighting
Disc loading slot illumination : Blinking
The mode is shifting to the transportation mode.
4
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.
5
FX-MG8606ZT,MG8606ZT-91,MG8706ZT,MG8706ZT-91
2. EXPLODED VIEWS AND PARTS LIST
2.1 EXTERIOR