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Service Manual KEH-3830R/X1M/EW ORDER NO. CRT2257 HIGH POWER CASSETTE PLAYER WITH RDS TUNER KEH-3830R KEH-3800R KEH-3820R 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. X1M/EW X1M/EW X1M/GR CONTENTS 1. 2. 3. 4. 5. 6. SAFETY INFORMATION...2 EXPLODED VIEWS AND PARTS LIST ...2 SCHEMATIC DIAGRAM...8 PCB CONNECTION DIAGRAM...22 ELECTRICAL PARTS LIST...32 ADJUSTMENT ...39 7. GENERAL INFORMATION...41 7.1 PARTS ...41 7.1.1 IC ...41 7.1.2 DISPLAY ...45 7.2 DISASSEMBLY ...46 7.3 BLOCK DIAGRAM ...47 8. OPERATIONS AND SPECIFICATIONS ...48 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-3830R,3800R,3820R 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 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 12 3 5 4 2 8 6 10 1 13 11 7 9 2 KEH-3830R,3800R,3820R NOTE: - Parts marked by "*" are generally unavailable because they are not in our Master Spare Parts List. - Screws adjacent to mark on the product are used for disassembly. (1) PACKING SECTION PARTS LIST Mark No. Description 1 2 3 4 5 * 6 7 8 9 10 Cord Assy Accessory Assy Screw Handle Bush Polyethylene Bag Polyethylene Bag Carton Contain Box Protector Part No. CDE5797 CEA1917 CBA1304 CNC5395 CNV3930 E36-615 CEG-162 See Contrast table(2) See Contrast table(2) Mark No. Description 11 12-1 12-2 12-3 12-4 Protector Owner's Manual Owner's Manual Installation Manual Passport Part No. CHP2101 See Contrast table(2) See Contrast table(2) See Co