Yamaha-RXV-771-Service-Manual电路原理图.pdf
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1、P.O.Box 1, Hamamatsu, Japan 101 2 1 5 SERVICE MANUAL IMPORTANT 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 specifi cally YAMAHA Products, are already
2、known and understood by the users, and have therefore not 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 specifi ed. For these
3、 reasons, we advise all YAMAHA product owners that any service 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 fi rm does not constitute authorization, certifi cation or rec
4、ognition of any applicable technical capabilities, or establish 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 impr
5、ove YAMAHA products. Modifications are, therefore, inevitable and specifi cations are subject to change without notice or obligation to retrofi t. Should any discrepancy appear to exist, please contact the distributors Service Division. WARNING: Static discharges can destroy expensive components. Di
6、scharge any static electricity your body may have accumulated by 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. CONTENTS TO SE
7、RVICE PERSONNEL .2 FRONT PANEL .3 REAR PANELS .35 REMOTE CONTROL PANELS .6 SPECIFICATIONS / 参考仕様 .712 INTERNAL VIEW .13 SERVICE PRECAUTIONS / 時注意事項 .13 DISASSEMBLY PROCEDURES / 分解手順 .1416 UPDATING FIRMWARE / .1718 SELF-DIAGNOSTIC FUNCTION / (自己診断機能) .1961 POWER AMPLIFIER ADJUSTMENT / 調整 .62 DISPLAY
8、DATA .6364 IC DATA .6577 PIN CONNECTION DIAGRAMS .7880 BLOCK DIAGRAMS .8185 PRINTED CIRCUIT BOARDS .86105 SCHEMATIC DIAGRAMS .107121 REPLACEMENT PARTS LIST .123143 REMOTE CONTROL .144146 CONFIGURING THE SYSTEM SETTINGS .147 設定変更 .148 AV RECEIVER 11.06 Note: When the DIGITAL P.C.B. or IC83 on DIGITAL
9、 P.C.B. is replaced, the network function of this unit will not operate properly without additional setting. In such a case, report the serial number of this unit to the following e-mail address. Yamaha Corporation will reply providing the setting procedure to make the network function of this unit
10、operate properly. 注意: DIGITAL P.C.B. DIGITAL P.C.B. IC83 交換本機機能正常動作、正常 動作追加設定必要。 場合本機下記 E 連絡。 折返、機能正常動作追加設定方法連絡。 E-mail: ycav- RX-V771 RX-V771 Copyright 2011 All rights reserved. This manual is copyrighted by YAMAHA and may not be copied or redistributed either in print or electronically without per
11、mission. This product contains chemicals known to the State of California to cause cancer, or birth defects or other reproductive harm. DO NOT PLACE SOLDER, ELECTRICAL/ELECTRONIC OR PLASTIC COMPONENTS IN YOUR MOUTH FOR ANY REASON WHATSOEVER! Avoid prolonged, unprotected contact between solder and yo
12、ur skin! When soldering, do not inhale solder fumes or expose eyes to solder/flux vapor! If you come in contact with solder or components located inside the enclosure of this product, wash your hands before handling food. 1. Critical Components Information Components having special characteristics a
13、re marked and must be replaced with parts having specifications equal to those originally installed. 2. Leakage Current Measurement (For 120V Models Only) When service has been completed, it is imperative to verify that all exposed conductive surfaces are properly insulated from supply circuits. Met
14、er impedance should be equivalent to 1500 ohms shunted by 0.15 F. TO SERVICE PERSONNEL Leakage current must not exceed 0.5mA. Be sure to test for leakage with the AC plug in both polarities. WARNING: CHEMICAL CONTENT NOTICE! WALL OUTLET EQUIPMENT UNDER TEST AC LEAKAGE TESTER OR EQUIVALENT INSULATING
15、 TABLE 本機搭載基板付 接合部無鉛付。 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 30 40程度高、 合 使用。 All of the P.C.B.s installed in this unit and solder joints are soldered using the lead free solder. Among some types of lead free solder currently available, it is recommen
16、ded 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: 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 t
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