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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.
CRT2318
MULTI-COMPACT DISC PLAYER
CDX-P1250
X1N/UC
Service
Manual
CONTENTS
1. SAFETY INFORMATION ............................................3
2. EXPLODED VIEWS AND PARTS LIST .......................4
3. SCHEMATIC DIAGRAM ...........................................12
4. PCB CONNECTION DIAGRAM ................................20
5. ELECTRICAL PARTS LIST ........................................26
6. ADJUSTMENT..........................................................29
7. GENERAL INFORMATION .......................................35
7.1 IC .........................................................................35
7.2 DIAGNOSIS ........................................................40
7.2.1 DISASSEMBLY .........................................40
7.2.2 TEST MODE ..............................................42
7.3 BLOCK DIAGRAM ..............................................48
8. OPERATIONS AND SPECIFICATIONS.....................50
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See the separate manual CX-938(CRT2357) for the CD mechanism description, disassembly and circuit
description.
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The CD mechanism employed in this model is one of C8 series.
CDX-P1250/X1N/UC
CDX-P1250
X1N/EW
CDX-P1250
X1N/ES
Summary of Contents for CDX-P1250
Page 6: ...6 CDX P1250 2 2 EXTERIOR ...
Page 8: ...8 CDX P1250 2 3 CD MECHANISM MODULE ...
Page 14: ...14 CDX P1250 1 2 3 4 1 2 3 4 D C B A A2 2 A 1 2 SYSTEM CONTROLLER EWmodel UC ESmodel ...
Page 22: ...22 CDX P1250 1 2 3 4 1 2 3 4 D C B A SIDE A B POWER UNIT B CN701 A CORD 4 2 POWER UNIT IP BUS ...
Page 23: ...23 CDX P1250 D C B A 1 2 3 4 1 2 3 4 B POWER UNIT B SIDE B ...
Page 25: ...25 CDX P1250 D C B A 1 2 3 4 1 2 3 4 E 4 5 MOTOR PCB MOTOR PCB E C ...
Page 30: ...30 CDX P1250 Grating waveform 45 0 75 60 30 90 Echt Xch 20mV div AC Fcht Ych 20mV div AC ...
Page 48: ...48 CDX P1250 7 3 BLOCK DIAGRAM A C D E ...
Page 49: ...49 CDX P1250 B ...