Service Manuals, User Guides, Schematic Diagrams or docs for : Pioneer Car Audio FX-MG8527ZT hfe_pioneer_fx-mg8527zt_mg8727zt_service_en
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ORDER NO.
CRT2901
GX470
AUDIO SYSTEM
HEAD UNIT
PRODUCED PIONEER MODEL
VEHICLE DESTINATION TOYOTA PARTS No. ID No.
AFTER No.
LEXUS GX470 U.S.A., CANADA November 2002 86120-60490 P6822 FX-MG8527ZT/UC
LEXUS GX470 U.S.A., CANADA November 2002 86120-60490 P6822 FX-MG8527ZT-91/UC
LEXUS GX470 U.S.A., CANADA November 2002 86120-60480 P6821 FX-MG8727ZT/UC
LEXUS GX470 U.S.A., CANADA November 2002 86120-60480 P6821 FX-MG8727ZT-91/UC
Manufactured for TOYOTA
by PIONEER CORPORATION PUB.NO.CRT2901
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For details, refer to "Important symbols for good services".
FX-MG8527ZT/UC (P6822) FX-MG8727ZT/UC (P6821)
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This service manual should be used together with the following manual(s):
Model No. Order No. Mech.Module Remarks
CX-951 CRT2872 G2 CD Mech. module: Circuit Description, Mech. Description, Disassembly
CX-1011 CRT2406 3L Cassette Mech. module: Mech. Description, Disassembly
D
-Dolby noise reduction manufactured under license from Dolby Laboratories Licensing Corporation.
"Dolby" and the double-D symbol are trademarks of Dolby Laboratories Licensing Corporation.
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SAFETY INFORMATION
- CD section precaution A
1. Before disassembling the unit, be sure to turn off the 2. To protect the pickup unit from electrostatic dis-
power. Unplugging and plugging the connectors dur- charge during servicing, take an appropriate treat-
ing power-on mode may damage the ICs inside the ment (shorting-solder) by referring to "the DISAS-
unit. SEMBLY" on page 82.
3. After replacing the pickup unit, be sure to check the
grating. (See page 72)
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
B
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-MG8527ZT/UC 3
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[ Important symbols for good services ]
In this manual, the symbols shown-below indicate that adjustments, settings or cleaning should be made securely.
When you find the procedures bearing any of the symbols, be sure to fulfill them:
A
1. Product safety
You should conform to the regulations governing the product (safety, radio and noise, and other regulations), and
should keep the safety during servicing by following the safety instructions described in this manual.
2. Adjustments
To keep the original performances of the product, optimum adjustments or specification confirmation is indispensable.
In accordance with the procedures or instructions described in this manual, adjustments should be performed.
3. Cleaning
B For optical pickups, tape-deck heads, lenses and mirrors used in projection monitors, and other parts requiring cleaning,
proper cleaning should be performed to restore their performances.
4. Shipping mode and shipping screws
To protect the product from damages or failures that may be caused during transit, the shipping mode should be set or
the shipping screws should be installed before shipping out in accordance with this manual, if necessary.
5. Lubricants, glues, and replacement parts
Appropriately applying grease or glue can maintain the product performances. But improper lubrication or applying
glue may lead to failures or troubles in the product. By following the instructions in this manual, be sure to apply the
prescribed grease or glue to proper portions by the appropriate amount.For replacement parts or tools, the prescribed
ones should be used.
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4 FX-MG8527ZT/UC
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CONTENTS
SAFETY INFORMATION......................................................................................................................................3
1. SPECIFICATIONS .............................................................................................................................................6
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2. EXPLODED VIEWS AND PARTS LIST.............................................................................................................7
2.1 PACKING(FX-MG8527ZT-91/UC,MG8727ZT-91/UC).................................................................................7
2.2 EXTERIOR .................................................................................................................................................8
2.3 CD MECHANISM UNIT(1)........................................................................................................................10
2.4 CD MECHANISM UNIT(2)........................................................................................................................12
2.5 CASSETTE MECHANISM MODULE .......................................................................................................14
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ..........................................................................................17
3.1 BLOCK DIAGRAM(1) ...............................................................................................................................17
3.2 BLOCK DIAGRAM(2) ...............................................................................................................................18
3.3 OVERALL CONNECTION DIAGRAM(GUIDE PAGE) ..............................................................................20
3.4 KEYBOARD UNIT ....................................................................................................................................26
3.5 CD MECHANISM MODULE(GUIDE PAGE) .............................................................................................28
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3.6 CASSETTE MECHANISM MODULE .......................................................................................................38
4. PCB CONNECTION DIAGRAM ......................................................................................................................40
4.1 MAIN UNIT ...............................................................................................................................................40
4.2 KEYBOARD UNIT ....................................................................................................................................44
4.3 CD MECHANISM MODULE .....................................................................................................................46
4.4 CASSETTE MECHANISM MODULE .......................................................................................................52
5. ELECTRICAL PARTS LIST .............................................................................................................................54
6. ADJUSTMENT ................................................................................................................................................64
6.1 CONNECTION DIAGRAM........................................................................................................................64
6.2 AUDIO, TUNER ADJUSTMENT ...............................................................................................................67
6.3 TEST MODE .............................................................................................................................................69
6.4 CD ADJUSTMENT ...................................................................................................................................70
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6.5 CHECKING THE GRATING AFTER CHANGING THE PICKUP UNIT.....................................................72
6.6 TEST MODE(CD) .....................................................................................................................................74
6.7 AVC-LAN DIAGNOSIS MODE..................................................................................................................78
7. GENERAL INFORMATION .............................................................................................................................82
7.1 DIAGNOSIS..............................................................................................................................................82
7.1.1 DISASSEMBLY......................................................................................................................................82
7.1.2 PCB LOCATIONS ..................................................................................................................................87
7.1.3 CONNECTOR FUNCTION DESCRIPTION ..........................................................................................88
7.2 PARTS ......................................................................................................................................................89
7.2.1 IC ...........................................................................................................................................................89
7.2.2 DISPLAY ................................................................................................................................................96
7.3 EXPLANATION .........................................................................................................................................97 D
7.3.1 SYSTEM BLOCK DIAGRAM .................................................................................................................97
7.3.2 OPERATIONAL FLOW CHART .............................................................................................................98
7.4 NOTES ON SERVICING ..........................................................................................................................99
7.4.1 CLEANING ............................................................................................................................................99
7.4.2 FACTORY SETTINGS ...........................................................................................................................99
8. OPERATIONS ...............................................................................................................................................100
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FX-MG8527ZT/UC 5
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1. SPECIFICATIONS
General
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