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-ZZY. FEB. 1999 Printed in Japan
ORDER NO.
CRT2316
UNIVERSAL MULTI-CD SYSTEM
CDX-FM657
X1N/UC
Service
Manual
CONTENTS
1. SAFETY INFORMATION ............................................3
2. EXPLODED VIEWS AND PARTS LIST .......................4
3. SCHEMATIC DIAGRAM ...........................................14
4. PCB CONNECTION DIAGRAM ................................26
5. ELECTRICAL PARTS LIST ........................................34
6. ADJUSTMENT..........................................................38
7. GENERAL INFORMATION .......................................45
7.1 PARTS .................................................................45
7.1.1 IC................................................................45
7.1.2 DISPLAY ....................................................51
7.2 DIAGNOSIS ........................................................52
7.2.1 DISASSEMBLY .........................................52
7.2.2 TEST MODE ..............................................54
7.3 BLOCK DIAGRAM ..............................................60
8. OPERATIONS AND SPECIFICATIONS.....................62
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See the separate manual CX-892(CRT2356) for the CD mechanism description, disassembly and circuit
description.
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The CD mechanism employed in this model is one of C7 series.
CDX-FM657/X1N/UC
CDX-FM657
X1N/EW
CDX-FM657
X1N/ES
Summary of Contents for CDX-FM657
Page 7: ...7 CDX FM657 2 2 EXTERIOR ...
Page 10: ...10 CDX FM657 2 3 CD MECHANISM MODULE ...
Page 16: ...16 CDX FM657 1 2 3 4 1 2 3 4 D C B A A 1 2 SYSTEM CONTROLLER LOUT AAGND ROUT GND VD A 2 2 ...
Page 17: ...17 CDX FM657 5 6 7 8 5 6 7 8 D C B A GGC1257 SRM2B256SLTMX70 B CN201 SRAM IP BUS DRIVER A2 2 ...
Page 21: ...21 CDX FM657 ...
Page 24: ...24 CDX FM657 1 2 3 4 1 2 3 4 D C B A 1 2 3 4 1 2 3 3 3 ANTENNA SELECT UNIT F 4 A CN401 F B ...
Page 29: ...29 CDX FM657 D C B A B EXTENSION UNIT B SIDE B 1 2 3 4 1 2 3 4 ...
Page 40: ...40 CDX FM657 Grating waveform 45 0 75 60 30 90 Echt Xch 20mV div AC Fcht Ych 20mV div AC ...
Page 51: ...51 CDX FM657 7 1 2 DISPLAY CAW1514 COMMON SEGMENT ...
Page 60: ...60 CDX FM657 7 3 BLOCK DIAGRAM A C D E B ...
Page 61: ...61 CDX FM657 F G ...