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Service
Manual ORDER NO.
CRT2585
SC430
AUDIO SYSTEM
HEAD UNIT
VEHICLE DESTINATION PRODUCED AFTER TOYOTA PART No. ID No. PIONEER MODEL No.
LEXUS SC430 EUROPE April 2001 86120-24420 P3905 FX-MG8156ZT/EW
LEXUS SC430 EUROPE April 2001 86120-24420 P3905 FX-MG8156ZT-91/EW
LEXUS SC430 EUROPE April 2001 86120-24400 P3904 FX-MG8317ZT/EW
LEXUS SC430 EUROPE April 2001 86120-24400 P3904 FX-MG8317ZT-91/EW
Manufactured for TOYOTA
by PIONEER CORPORATION PUB. NO. CRT2585
FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91
FX-MG8156ZT/EW FX-MG8317ZT/EW
ID No.P3905 ID No.P3904
- 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
- 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.
- See the page 81 of service manual FX-MG9006ZT/EW(CRT2539) for the SELF-DIAGNOSTIC FUNCTION.
- Supplementary model is identical to the original except for the addition of following items.
Description Part No.
FX-MG8156ZT-91/EW FX-MG8317ZT-91/EW
Polyethylene Bag CEG1026 CEG1026
Carton CHA3117 CHA3117
Contain Box CHD3117 CHD3117
Protector CHP2408 CHP2408
Protector CHP2409 CHP2409
Protector CHP2410 CHP2410
Protector CHP2411 CHP2411
Protector CHP2412 CHP2412
2
FX-MG8156ZT,MG8156ZT-91,MG8317ZT,MG8317ZT-91
CONTENTS
1. SAFETY INFORMATION ............................................3 7.1.3 PCB LOCATIONS .....................................88
2. EXPLODED VIEWS AND PARTS LIST .......................4 7.1.4 CONNECTOR FUNCTION DESCRIPTION ..89
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ...12 7.2 PARTS ................................................................90
4. PCB CONNECTION DIAGRAM ................................36 7.2.1 IC ..............................................................90
5. ELECTRICAL PARTS LIST ........................................60 7.2.2 DISPLAY...................................................94
6. ADJUSTMENT..........................................................70 7.3 EXPLANATION..................................................95
7. GENERAL INFORMATION .......................................76 7.3.1 SYSTEM BLOCK DIAGRAM ...................95
7.1 DIAGNOSIS .......................................................76 7.3.2 OPERATIONAL FLOW CHART ................96
7.1.1 TEST MODE.............................................76 8. OPERATIONS AND SPECIFICATIONS.....................97
7.1.2 DISASSEMBLY ........................................83
- CD Player Service Precautions
1. Never attempt to turn on this unit when the CD drive 3. During disassembly, be sure to turn the power off
mechanism is upside down. Doing so could cause since an internal IC might be destroyed when a con-
damage or malfunction to the drive mechanism. nector is plugged or unplugged.
2. For pickup unit(CXX1313) handling, please refer 4. Please checking the grating after changing the ser-
to"Disassembly"(see page 83). vice pickup unit(see page 74).
During replacement, handling precautions shall be
taken to prevent an electrostatic discharge(protection
by a short pin).
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.
1. Safety Precautions for those who Service this Unit.