Pioneer keh 1940 service manual

Page 1

Pioneer

Service
Manual

HIGH POWER CASSETTE PLAYER WITH FM/MW/LW TUNER

KE H -1 94

KEH-1960 X1M/EW

. This service manual should be used together with the following manual(s):

KEH-1940/X1M/EW

ORDER NO.

CRT2425

Model No. Order No. Mech. Module Remarks

CX»644 CRTIBOO 2M Cassette Mech. ModulezCircuit Description, Mech.Description, Disassembly

CONTENTS
1. SAFETY INFORMATION ....................... ..2 7. GENERAL INFORMATION.. ....34
2. EXPLODED VIEWS AND PARTS LIST. ..2 7.1 DISASSEMBLY .......... ....34
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ..10 7.2 PARTS ................................................................ 35
4. PCB CONNECTION DIAGRAM 7.2.l IC ............. ....35
5. ELECTRICAL PARTS LIST ....... 7.2.2 DISPLAY. ....38
6. ADJUSTMENT ......................................................... 32 8. OPERATIONS AND SPECIFICATIONS .................... 39

PIONEER 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 USA
PIONEER ELECTRONIC [EUROPE] N.V. Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 253 Alexandra Road, #0401, Singapore 159936

© PIONEER CORPORATION 1999 K-ZZY. NOV. 1999 Printed in Japan

Page 2

KEH-1940.1960

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

14
13

12