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Service DEH-P900R/UC Manual ORDER NO. CRT2324 MULTI-CD/DAB CONTROL DSP HIGH POWER CD PLAYER WITH RDS TUNER DEH-P900R MULTI-CD CONTROL DSP HIGH POWER CD PLAYER WITH FM/AM TUNER UC DEH-P9050 ES - See the separate manual CX-916(CRT2300) for the CD mechanism description, disassembly and circuit description. - The CD mechanism employed in this model is one of S8 series. SERVICE PRECAUTION In the first production, the following parts had been mounted temporarily to support the microcomputer IC601 (PD5483A): R591 (RS1/16S473J), R592 (RS1/16S102J), and IC591 (Non spare part). When replacing IC601 PD5483A, use PD5483B as IC601, and then remove the 3 parts listed above. IC601 (PD5484A): R591 (RS1/16S473J), R592 (RS1/16S102J), and IC591 (Non spare part). When replacing IC601 PD5484A, use PD5484B as IC601, and then remove the 3 parts listed above. CONTENTS 1. SAFETY INFORMATION ...2 7. GENERAL INFORMATION ...58 2. EXPLODED VIEWS AND PARTS LIST ...3 7.1 DIAGNOSIS ...58 3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ...10 7.1.1 TEST MODE ...58 4. PCB CONNECTION DIAGRAM ...32 7.1.2 DISASSEMBLY ...62 5. ELECTRICAL PARTS LIST ...44 7.2 IC ...67 6. ADJUSTMENT...54 8. OPERATIONS AND SPECIFICATIONS...83 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-ZZB. APR. 1999 Printed in Japan DEH-P900R,P9050 - CD Player Service Precautions 1. For pickup unit(CXX1285) handling, please refer 2. During disassembly