Pioneer kehp 8850 service manual
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Page 1
Pioneer
Service
Manual
MULTl-CD/MD/DAB CONTROL HIGH POWER CASSETTE PLAYER WITH RDS TUNER
KEH-PBBOOR .w
KEH-PBBOOR-W ew
MULTI-CD CONTROL HIGH POWER CASSETTE PLAYER WITH FM/AM TUNER
KEH-PBBSO es
. See the separate manual CX-631ICRT1640) for the cassette mechanism description.
. The cassette mechanism assy employed in this model is one of 2L series.
KEH-P8800R/EW
ORDER NO.
CRT2341
O Dolby noise reduction manufactured under license from Dolby Laboratories Licensing Corporation.
"Dolby" and the double-D symbol are trademarks of Dolby Laboratories Licensing Corporation.
0 This service manual does not describe the CD test mode.
For the operations in the CD test mode, refer to the CD player's Service manual.
SERVICE PRECAUTION : (KEH-P8850/ES only)
In the first production, the following parts had been mounted temporarily to support the microcomputer
ICGO1 (PD5496A): R631 (RS1/1OS102J), R632 (RS1/1OS473J), and IC631 (Non spare part).
When replacing IC601 PD5496A, use P054968 as IC601, and then remove the 3 parts listed above.
CONTENTS
1. SAFETY INFORMATION ........................ ..2 6. ADJUSTMENT ....................
2. EXPLODED VIEWS AND PARTS LIST... ..2 7. GENERAL INFORMATION.
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ...12 7.1 DISASSEMBLY..
4. PCB CONNECTION DIAGRAM ................................ 30 7.2 IC ....................... ..
5. ELECTRICAL PARTS LIST ........................................ 40 8. OPERATIONS AND SPECIFICATIONS ..................... 61
PIONEER ELECTRONIC CORPORATION 4-1,MegurO1-Chome, Meguro-ku, Tokyo 153-8654, Japan
PIONEER ELECTRONICS SERVICE INC. P.O.BO>< 1760, Long Beach, CA 90801-1760 U.S.A.
PIONEER ELECTRONIC [EUROPE] N.V. Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 253 Alexandra Road, #0401, Singapore 159936
© PIONEER ELECTRONIC CORPORATION 1999 K_ZZB_ APR 1999 Primed in Japan
Page 2
KEH-PBBOOR.P8800R-W.P8850
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.
2. EXPLODED VIEWS AND PARTS LIST
2.1 PACKING
o KEH-P8800R/EW, KEH-P8800R-W/EW