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Service Manual FH-P4000/X1N/UC ENT DISP CLOCK D F LOUD SOURCE / OFF ORDER NO. A 1 2 3 4 5 6 CRT2674 MULTI-CD CONTROL DSP HIGH POWER CD CASSETTE PLAYER WITH FM/AM TUNER FH-P4000 FH-P4000R Model No. CX-977 CX-1011 Order No. CRT2624 CRT2406 X1N/UC,X1N/ES MULTI-CD CONTROL DSP HIGH POWER CD CASSETTE PLAYER WITH RDS TUNER X1N/EW - This service manual should be used together with the following manual(s): Mech. Module Remarks S9 CD Mech. Module:Circuit Description, Mech.Description, Disassembly 3L Cassette Mech. Module:Mech.Description, Disassembly, Adjustment - Dolby noise reduction manufactured under license from Dolby Laboratories Licensing Corporation. "Dolby" and the double-D symbol are trademarks of Dolby Laboratories Licensing Corporation. CONTENTS 1. 2. 3. 4. 5. 6. SAFETY INFORMATION ...3 EXPLODED VIEWS AND PARTS LIST ...4 BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ...16 PCB CONNECTION DIAGRAM ...40 ELECTRICAL PARTS LIST ...50 ADJUSTMENT...67 7. GENERAL INFORMATION ...72 7.1 DIAGNOSIS ...72 7.1.1 TEST MODE ...72 7.1.2 DISASSEMBLY ...76 7.1.3 CONNECTOR FUNCTION DESCRIPTION ...80 7.2 PARTS ...81 7.2.1 IC...81 7.2.2 DISPLAY ...96 7.3 OPERATIONAL FLOW CHART ...97 8. OPERATIONS AND SPECIFICATIONS...98 PIONEER 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 EUROPE NV Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 253 Alexandra Road, #04-01, Singapore 159936 C PIONEER CORPORATION 2001 K-ZZA. MAR. 2001 Printed in Japan FH-P4000,P4000R - CD Player Service Precautions 1. For pickup unit(CXX1480) handling, please refer to"Disassembly"(see page 76). During replacement, handling precautions shall be taken to prevent an electrostatic discharge(protection by a jumper-solder). 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 service pickup unit(see page 70). 2 FH-P4000,P4000R 1. SAFETY INFORMATION 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 complex products such as those covered by this manual. Improperly