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, #04-01, Singapore 159936
C
PIONEER ELECTRONIC CORPORATION 1999
K-ZZU. MAR. 1999 Printed in Japan
ORDER NO.
CRT2333
MULTI-CD CONTROL HIGH POWER CASSETTE PLAYER WITH FM/AM/SW TUNER
KEH-P4850J
ES
Service
Manual
CONTENTS
1. SAFETY INFORMATION............................................2
2. EXPLODED VIEWS AND PARTS LIST ......................2
3. SCHEMATIC DIAGRAM.............................................8
4. PCB CONNECTION DIAGRAM................................20
5. ELECTRICAL PARTS LIST........................................30
6. ADJUSTMENT .........................................................36
7. GENERAL INFORMATION.......................................38
7.1 PARTS ................................................................38
7.1.1 IC ...............................................................38
7.1.2 DISPLAY ...................................................42
7.2 DISASSEMBLY ...................................................43
7.3 BLOCK DIAGRAM ..............................................44
8. OPERATIONS AND SPECIFICATIONS ....................45
NOTE:
-
See the separate manual CX-631(CRT1640) for the cassette mechanism description.
-
The cassette mechanism assy employed in this model is one of 2L series.
-
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.
Summary of Contents for KEH-P4850J
Page 4: ...4 KEH P4850J 2 2 EXTERIOR ...
Page 6: ...6 KEH P4850J 2 3 CASSETTE MECHANISM MODULE ...
Page 14: ...14 KEH P4850J A 1 2 3 4 B C D 1 2 3 4 3 2 TUNER UNIT B PA4023B B A ...
Page 15: ...15 KEH P4850J 5 6 7 8 A B C D 5 6 7 8 B ...
Page 16: ...16 KEH P4850J A 1 2 3 4 B C D 1 2 3 4 CAW1543 3 3 KEYBOARD UNIT C ...
Page 21: ...21 KEH P4850J 5 6 7 8 A B C D 5 6 7 8 A SIDE A B CN251 D IP BUS ...
Page 22: ...22 KEH P4850J A 1 2 3 4 B C D 1 2 3 4 A A TUNER AMP UNIT ...
Page 23: ...23 KEH P4850J 5 6 7 8 A B C D 5 6 7 8 A SIDE B ...
Page 24: ...A B 24 KEH P4850J A 1 2 3 4 B C D 1 2 3 4 4 2 TUNER UNIT B SIDE A B TUNER UNIT L5 T231 L2 L52 ...
Page 25: ...25 KEH P4850J 1 2 3 4 A B C D 1 2 3 4 B SIDE B B TUNER UNIT ...
Page 26: ...KEH P4850J A 1 2 3 4 B C D 1 2 3 4 LCD1901 4 3 KEYBOARD UNIT C C KEYBOARD UNIT 26 SIDE A ...
Page 27: ...27 KEH P4850J 1 2 3 4 A B C D 1 2 3 4 C C KEYBOARD UNIT CN601 A SIDE B ...
Page 38: ...38 KEH P4850J 7 GENERAL INFORMATION 7 1 PARTS 7 1 1 IC CXA2559Q ...
Page 42: ...42 KEH P4850J 7 1 2 DISPLAY CAW1543 COMMON SEGMENT ...
