Pioneer keh 1850 service manual

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pioneer keh 1850 service manual

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Page 1

Pioneer

Service
Manual

HIGH POWER CASSETTE PLAYER WITH FM/AM TUNER

KEH-1 BOO

KEH-1850 x1M/Es

NOTE:
. See the separate manual CX-644(CRT1800) for the cassette mechanism description.

KEH-1800/X1M/UC

ORDER NO.

CRT2266

. The cassette mechanism assy employed in this model is one of 2M series.

CONTENTS
1. SAFETY INFORMATION ........................ 7. GENERAL INFORMATION
2. EXPLODED VIEWS AND PARTS LIST .. 7.1 PARTS .........................
3. SCHEMATIC DIAGRAM .............. 7.1.1 IC .............
4. PCB CONNECTION DIAGRAM... 7.1.2 DISPLAY.
5. ELECTRICAL PARTS LIST 7.2 DISASSEMBLY ........
6. ADJUSTMENT ................. 7.3 BLOCK DIAGRAM

8. OPERATIONS AND SPECIFICATIONS .................... 41

PIONEER ELECTRONIC CORPORATION 4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan
PIONEER ELECTRONICS SERVICE INC. P.O.Box 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 1998 K-ZZB.DEC.1998 Primed in Japan

Page 2

KEH-1800.1850

1. SAFETY INFORMATION
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

2. EXPLODED VIEWS AND PARTS LIST
2.1 PACKING

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