Pioneer CDXP25, CDXP656 free download

File name Pioneer-CDXP656_P25 car cdchang.pdf

CDX-P656/X1N/UC Service Manual MULTI-CD COMPACT DISC PLAYER ORDER NO. CRT2317 CDX-P656 CDX-P25 description. - The CD mechanism employed in this model is one of C7 series. X1N/UC X1N/EW - See the separate manual CX-892(CRT2356) for the CD mechanism description, disassembly and circuit CONTENTS 1. 2. 3. 4. 5. 6. SAFETY INFORMATION ...3 EXPLODED VIEWS AND PARTS LIST ...4 SCHEMATIC DIAGRAM ...12 PCB CONNECTION DIAGRAM ...20 ELECTRICAL PARTS LIST ...26 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 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 CDX-P656,P25 - CD Player Service Precautions 1. For pickup unit(CXX1285) handling, please refer to"Disassembly"(See page 40). During replacement, handling precautions shall be taken to prevent an electrostatic discharge(protection by a short pin). 2. During disassembly, be sure to turn the power off since an internal IC might be destroyed when a connector is plugged or unplugged. 3. Please checking the grating after changing the pickup unit(see page 29) since these screws protects the mechanism during transport, be sure to affix it when it is transported for repair, etc. Transportation of multi-CD Player Seal After removing the transport screw, cover the hole with the supplied seal. Transport screw Attach to the original position before transporting the set. A transport screw has been attached to the set in order to protect it during transportation. After removing the transport screw, cover the hole with the supplied seal. Be sure to remove the transport screw before mounting the set. The removed transport screw should be retained in the accessory bag for use the next time the set is transported. 2 CDX-P656,P25 1. SAFETY INFORMATION 1.1 CDX-P656/X1N/UC 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