Yamaha-YPC-1-Service-Manual电路原理图.pdf
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1、100877 P.O.Box 1, Hamamatsu, Japan I CONTENTS FRONT PANEL . 3 REAR PANEL . 3 SPECIFICATIONS. 3 INTERNAL VIEW . 4 DISASSEMBLY PROCEDURES / 分解手順. 57 BLOCK DIAGRAM. 7 PRINTED CIRCUIT BOARD . 8 SCHEMATIC DIAGRAM . 9 EXPLODED VIEW. 10 MECHANICAL PARTS . 11 SERVICE MANUAL PASSIVE CONTROLLER YPC-1 YPC-1 IM
2、PORTANT NOTICE This manual has been provided for the use of authorized YAMAHA Retailers and their service personnel. It has been assumed that basic service procedures inherent to the industry, and more specifically YAMAHA Products, are already known and understood by the users, and have therefore no
3、t been restated. WARNING:Failure to follow appropriate service and safety procedures when servicing this product may result in personal injury, destruction of expensive components, and failure of the product to perform as specified. For these reasons, we advise all YAMAHA product owners that any ser
4、vice required should be performed by an authorized YAMAHA Retailer or the appointed service representative. IMPORTANT:The presentation or sale of this manual to any individual or firm does not constitute authorization, certification or recognition of any applicable technical capabilities, or establi
5、sh a principle-agent relationship of any form. The data provided is believed to be accurate and applicable to the unit(s) indicated on the cover. The research, engineering, and service departments of YAMAHA are continually striving to improve YAMAHA products. Modifications are, therefore, inevitable
6、 and specifications are subject to change without notice or obligation to retrofit. Should any discrepancy appear to exist, please contact the distributors Service Division. WARNING:Static discharges can destroy expensive components. Discharge any static electricity your body may have accumulated by
7、 grounding yourself to the ground buss in the unit (heavy gauge black wires connect to this buss). IMPORTANT:Turn the unit OFF during disassembly and part replacement. Recheck all work before you apply power to the unit. 2 YPC-1 YPC-1 I REAR PANEL I FRONT PANEL 製品使用基板付 側 (14箇所) 配線付、Sn+Ag+Cu (錫+銀+銅)
8、合金無鉛使用。 無鉛種類、修理時下記 無鉛使用推奨。 Sn+Ag+Cu (錫+銀+銅) Sn+Cu (錫+銅) Sn+Zn+Bi (錫+亜鉛+) 注意: 無鉛融点温度通常鉛入比3040 程度高、合 使用。 鉛入使得場合、交換 部品端子部周辺部無鉛取除、 無鉛鉛入十分溶状態 付。 The foil side of all P.C.B.s used for this product and the wire on the positive (+) side of the pin jack (at 14 points) are soldered with lead-free soldering ma
9、terial which is an alloy of Sn+Ag+Cu (tin + silver + copper). Among some types of lead-free solder currently available, it is recommended to use one of the following types for the repair work. Sn + Ag + Cu (tin + silver + copper) Sn + Cu (tin + copper) Sn + Zn + Bi (tin + zinc + bismuth) Caution: 1.
10、 As the melting point temperature of the lead-free solder is about 30C to 40C (50F to 70F) higher than that of the lead solder, be sure to use a soldering iron suitable to each solder. 2. If lead solder must be used, be sure to remove lead- free solder from each terminal section of the parts to be r
11、eplaced and from the area around it completely before soldering, or make sure that the lead-free solder and lead solder melt together fully. About lead-free solder / 無鉛 3 YPC-1 YPC-1 239.5 (9-7/16) 60 (2-3/8) 12.5 (1/2) 17 (11/16) 15 (9/16) 269 (10-9/16)75 (2-15/16) 240 (9-7/16) Unit : mm (inch) 単位:
12、 mm() Input Connectors / 入力端子 . Five stereo pairs (RCA pin jacks) Output Connectors / 出力端子 . Two stereo pairs (RCA pin jacks) Input Impedance / 入力 . 10 k-ohms Maximum Input Signal Level / 最大許容入力 . 30V Output Impedance / 出力 .10 k-ohms or less Volume Maximum Attenuation / 最大減衰量 . 120 dB Volume LR Trac
13、king Tolerance / 連動誤差 . 1 dB (-100 dB to 0 dB) Dimensions / 寸法 (W x H x D) . 240 x 75 x 269 mm (9-7/16 x 2-15/16 x 10-9/16) Weight / 重量 . 3.4 kg (7 lbs. 8 oz.) *Specifications are subject to change without notice due to product improvements. 参考仕様外観予告変更。 I SPECIFICATIONS / 参考仕様 I INTERNAL VIEW DIMENS
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