Yamaha-RXA-3020-Service-Manual-Part-1电路原理图.pdf
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1、P.O.Box 1, Hamamatsu, Japan 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 known and
2、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 reasons,
3、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 recognition o
4、f 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 improve YAMAHA
5、 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. Discharge an
6、y 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 SERVICE PERS
7、ONNEL .2 FRONT PANELS .3 REAR PANELS .47 REMOTE CONTROL PANEL .8 SPECIFICATIONS / 参考仕様 .916 INTERNAL VIEW .17 SERVICE PRECAUTIONS / 時注意事項 .17 DISASSEMBLY PROCEDURES / 分解手順 .1821 UPDATING FIRMWARE / .2224 SELF-DIAGNOSTIC FUNCTION / (自己診断機能) .2579 POWER AMPLIFIER ADJUSTMENT / 調整 .8081 DISPLAY DATA .82
8、84 IC DATA .85105 BLOCK DIAGRAMS . 106109 PRINTED CIRCUIT BOARDS .110137 PIN CONNECTION DIAGRAMS .138 SCHEMATIC DIAGRAMS .139158 REPLACEMENT PARTS LIST .159190 REMOTE CONTROL .191193 CONFIGURING THE SYSTEM SETTINGS .194 設定変更 .195196 FIRMWARE UPDATING PROCEDURE .197208 更新手順 .209214 AV RECEIVER Note:
9、When the DIGITAL P.C.B. or IC78 on DIGITAL P.C.B. is replaced, this unit will display “Internal Error” and will not operate at all 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 pr
10、ocedure to make this unit operate properly. 注意: DIGITAL P.C.B. DIGITAL P.C.B. IC78 交換 “Internal Error” 表示本機正常動作 、本機正常動作追加設定必要。 場合本機下記 E 連絡。 折返、本機正常動作追加設定方法連絡。 E-mail: ycav- RX-A3020/RX-V3073 101 2 4 5 Copyright 2012 All rights reserved. This manual is copyrighted by YAMAHA and may not be copied or r
11、edistributed either in print or electronically without permission. 12.09 RX-A3020/RX-V3073 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
12、 ANY REASON WHATSOEVER! Avoid prolonged, unprotected contact between solder and your 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 fo
13、od. 1. Critical Components Information Components having special characteristics are 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 tha
14、t all exposed conductive surfaces are properly insulated from supply circuits. Meter 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 N
15、OTICE! WALL OUTLET EQUIPMENT UNDER TEST AC LEAKAGE TESTER OR EQUIVALENT INSULATING 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 fre
16、e solder. 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: As the melting point temperature of the lead free sold
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- Yamaha RXA 3020 Service Manual Part 电路 原理图