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Service KEH-1900R/X1M/EW Manual ORDER NO. CRT2267 HIGH POWER CASSETTE PLAYER WITH RDS TUNER KEH-1900R X1M/EW KEH-1930R X1M/EW NOTE: - See the separate manual CX-644(CRT1800) for the cassette mechanism description. - The cassette mechanism assy employed in this model is one of 2M series. CONTENTS 1. SAFETY INFORMATION...2 7. GENERAL INFORMATION...33 2. EXPLODED VIEWS AND PARTS LIST ...2 7.1 PARTS ...33 3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ...9 7.1.1 IC ...33 4. PCB CONNECTION DIAGRAM...18 7.1.2 DISPLAY ...36 5. ELECTRICAL PARTS LIST...26 7.2 DISASSEMBLY ...37 6. ADJUSTMENT ...31 8. OPERATIONS AND SPECIFICATIONS ...38 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. MAR. 1999 Printed in Japan KEH-1900R,1930R 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 performed repairs can adversely affect the safety and reliability of the product and may void the warranty. If you are not qualified to perform the repair of this product properly and safely; you should not risk trying to do so and refer the repair to a qualified service technician. 2. EXPLODED VIEWS AND PARTS LIST 2.1 PACKING 17