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Service
AVIC-90DVD/UC
Manual ORDER NO.
CRT2890
DVD NAVIGATION UNIT
AVIC-90DVD UC
AVIC-9DVD-- EW
- This service manual should be used together with the following manual(s):
Model No. Order No. Mech. Module Remarks
CX-954 CRT2670 MS2 DVD Mech. Module:Circuit Description, Mech.Description, Disassembly
- Manufactured under license from Dolby Laboratories. "Dolby" and the double-D symbol are trade-
marks of Dolby Laboratories.
- This product has the unit part numbers as below.
Unit Part No. Description
CPN1803 Main Assy (AVIC-90DVD/UC)
CPN1801 Main Assy (AVIC-9DVD--/EW)
*) The unit part numbers listed above are not for the service components.
- For your inspection, the following extention cords are supplied. Use them if necessary.
Part to use Part No.
Main PCB (CN3251) <--> DVD Core Unit V (CN1701) GGD1284
Main PCB (CN3254) <--> CC Unit (CN302) GGD1264
Main PCB (CN3901) <--> Interface PCB (CN5004) GGD1171
Main PCB (CN552) <--> GPS Unit (CN461) GGD1265
CC Unit (CN2) <--> DVD Core Unit V (CN1401) GGD1268
For details, refer to "Important symbols for good services".
PIONEER CORPORATION 4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan
PIONEER ELECTRONICS (USA) INC. P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A.
PIONEER EUROPE NV Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 253 Alexandra Road, #04-01, Singapore 159936
C PIONEER CORPORATION 2002 K-ZZY. MAY 2002 Printed in Japan
AVIC-90DVD,9DVD--
CONTENTS
1. SAFETY INFORMATION ............................................2 7. GENERAL INFORMATION .....................................173
2. EXPLODED VIEWS AND PARTS LIST .......................6 7.1 DIAGNOSIS ......................................................173
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ...18 7.1.1 DISASSEMBLY .......................................173
4. PCB CONNECTION DIAGRAM ................................94 7.1.2 CONNECTOR FUNCTION DESCRIPTION .....176
5. ELECTRICAL PARTS LIST ......................................110 7.2 IC ......................................................................178
6. ADJUSTMENT........................................................128 7.3 EXPLANATION .................................................190
7.3.1 CIRCUIT DESCRIPTIONS .......................190
7.3.2 OPERATIONAL FLOW CHART ...............191
7.4 CLEANING ........................................................192
8. OPERATIONS AND SPECIFICATIONS...................193
1. SAFETY INFORMATION
- AVIC-90DVD/UC
CAUTION
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.
WARNING
This product contains lead in solder and certain electrical parts contain chemicals which are known to the state of
California to cause cancer, birth defects or other reproductive harm.
Health & Safety Code Section 25249.6 - Proposition 65
- AVIC-9DVD--/EW
CAUTION
Danger of explosion if battery is incorrectly replaced.
Replaced only with the same or equivalent type recommended by the manufacture.
Discord used batteries according to the manufacture's instructions.
1. Safety Precautions for those who Service this Unit.