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File name CRT3176 DEH-1650 DEH-1650B .pdf

ORDER NO. CRT3176 DEH-1650/XU/ES HIGH POWER CD PLAYER WITH FM/AM TUNER DEH-1650 DEH-1650B XU/ES Model No. CX-3110 XU/ES, XU/CN This service manual should be used together with the following manual(s): Order No. CRT3178 Mech.Module S10.1 Remarks CD Mech. Module : Circuit Description, Mech. Description, Disassembly For details, refer to "Important symbols for good services". PIONEER CORPORATION 4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan PIONEER ELECTRONICS (USA) 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 PIONEER CORPORATION 2003 K-ZZA. OCT. 2003 printed in Japan 1 2 3 4 SAFETY INFORMATION A 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. B - CD Section Precaution 1. Before disassembling the unit, be sure to turn off the power. Unplugging and plugging the connectors during power-on mode may damage the ICs inside the unit. 2. To protect the pickup unit from electrostatic discharge during servicing, take an appropriate treatment (shorting-solder) by referring to "the DISASSEMBLY" on page 47. 3. After replacing the pickup unit, be sure to check the grating. (See p.44.) 4. In this product, because the memory capacity of the microcomputer is insufficient, the test mode is not installed. However grating of the pickup unit can be confirmed. C D E F 2 1 2 DEH-1650/XU/ES 3 4 5 6 7 8 [ Important symbols for good services ] In this manual, the symbols shown-below indicate that adjustments, settings or cleaning should be made securely. When you find the procedures bearing any of the symbols, be sure to fulfill them: A 1. Product safety You should conform to the regulations governing the product (safety, radio and noise, and other regulations), and should keep the safety during servicing by following the safety instructions described in this manual. 2. Adjustments To keep the original performances of the product, optimum adjustments or specification confirmation is indispensable. In accordance with the procedures or instructions described in this manual, adjustments should be performed. 3. Cleaning For optical pickups, tape-deck heads, lenses and mirrors used in projection monitors, and other parts requiring cleaning, proper cleaning should be performed to restore their performances. B 4. Shipping mode and shipping screws To pro