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Service KEH-P4830R/X1M/EW Manual ORDER NO. CRT2258 MULTI-CD CONTROL HIGH POWER CASSETTE PLAYER WITH RDS TUNER KEH-P4830R X1M/EW KEH-P4800R X1M/EW NOTE: - See the separate manual CX-631(CRT1640) for the cassette mechanism description. - The cassette mechanism assy employed in this model is one of 2L series. - This service manual does not describe the CD test mode. For the operations in the CD test mode, refer to the CD player's Service Manual. CONTENTS 1. SAFETY INFORMATION...2 7. GENERAL INFORMATION...38 2. EXPLODED VIEWS AND PARTS LIST ...2 7.1 PARTS ...38 3. SCHEMATIC DIAGRAM...8 7.1.1 IC ...38 4. PCB CONNECTION DIAGRAM...20 7.1.2 DISPLAY ...42 5. ELECTRICAL PARTS LIST...30 7.2 DISASSEMBLY ...43 6. ADJUSTMENT ...36 7.3 BLOCK DIAGRAM ...44 8. OPERATIONS AND SPECIFICATIONS ...45 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. 501 Orchard Road, #10-00, Wheelock Place, Singapore 238880 C PIONEER ELECTRONIC CORPORATION 1998 K-ZZU. OCT. 1998 Printed in Japan KEH-P4830R,P4800R 1. SAFETY INFORMATION 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 performed repairs can adversely affect the safety and reliability of the product and may vo