Yamaha-RXV771-avr-sm 维修电路原理图.pdf
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1、P.O.Box 1, Hamamatsu, Japan101 2 1 5SERVICE MANUALIMPORTANT NOTICEThis 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
2、 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 reaso
3、ns, 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 recognitio
4、n 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 improve YAMA
5、HA 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 a
6、ny 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. CONTENTSTO SERVICE PERSO
7、NNEL .2FRONT PANEL .3REAR PANELS .35REMOTE CONTROL PANELS .6SPECIFICATIONS / 参考仕様 .712INTERNAL VIEW .13SERVICE PRECAUTIONS / 時注意事項 .13DISASSEMBLY PROCEDURES / 分解手順 .1416UPDATING FIRMWARE / .1718SELF-DIAGNOSTIC FUNCTION / (自己診断機能) .1961POWER AMPLIFIER ADJUSTMENT /調整 .62DISPLAY DATA .6364IC DATA .6577
8、PIN CONNECTION DIAGRAMS .7880BLOCK DIAGRAMS .8185PRINTED CIRCUIT BOARDS .86105SCHEMATIC DIAGRAMS .107121REPLACEMENT PARTS LIST .123143REMOTE CONTROL .144146CONFIGURING THE SYSTEM SETTINGS .147設定変更 .148AV RECEIVER11.06Note: When the DIGITAL P.C.B. or IC83 on DIGITAL P.C.B. is replaced, the network fu
9、nction 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 operate properly.注意: DIGITAL P.C.B. D
10、IGITAL 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-V771RX-V771Copyright 2011 All rights reserved.This manual is copyrighted by YAMAHA and may not be copied orredistributed either in print or electronically without permission.RadioFans.CN 收音机爱 好者资料库This product con
11、tains 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 your skin! When soldering, do
12、 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 InformationComponents having special characteristics are marked and must be replaced
13、 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. Meter impedance should be equivalen
14、t 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!WALLOUTLETEQUIPMENTUNDER TESTAC LEAKAGETESTER OREQUIVALENTINSULATINGTABLE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+A
15、g+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 recommended to use one of the following types for the repai
16、r 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 to use a soldering iron suitable to each solder.About
17、lead free solder / 無鉛2RX-V771RX-V771RadioFans.CN 收音机爱 好者资料库 FRONT PANELR, T, K, A, B, G, F, L, H, J modelsJ modelR, T, K, A, B, G, F, L, H models REAR PANELSR model3RX-V771RX-V771K modelA modelT model4RX-V771RX-V771B, G, F modelsL, H modelsJ modelH model5RX-V771RX-V771 REMOTE CONTROL PANELSRAV442(R,
18、 A, L, H, J models)RAV443(T, K, B, G, F models)6RX-V771RX-V771 Audio Section / 部Rated Output Power (Power Amp. Section) / 定格出力(部) (1 kHz, 0.9 % THD) 1 channel driven R, T, K, A, B, G, F, L, H models (8 ohms)FRONT L/R .130 W/chCENTER .130 WSURROUND L/R .130 W/chSURROUND BACK L/R .130 W/chB, G, F mode
19、ls (4 ohms)FRONT L/R .160 W/chJ model (6 ohms)FRONT L/R .130 W/chCENTER .130 WSURROUND L/R .130 W/chSURROUND BACK L/R .130 W/ch 2 channel driven simultaneously R, T, K, A, B, G, F, L, H models (8 ohms)FRONT L/R .110 W + 110 WCENTER .110 WSURROUND L/R .110 W + 110 WSURROUND BACK L/R .110 W + 110 WJ m
20、odel (6 ohms)FRONT L/R .110 W + 110 W(20 Hz to 20 kHz, 0.09 % THD) 2 channel driven simultaneously R, T, K, A, B, G, F, L, H models (8 ohms)FRONT L/R .95 W + 95 WJ model (6 ohms)FRONT L/R .95 W + 95 WMaximum Effective Output Power / 実用最大出力 (JEITA)(1 channel driven / 1 kHz, 10 % THD) R, T, L, H, J mo
21、delsR, T, L, H models (8 ohms)FRONT L/R .160 W/chCENTER .160 WSURROUND L/R .160 W/chSURROUND BACK L/R .160 W/chJ model (6 ohms)FRONT L/R .160 W/chCENTER .160 WSURROUND L/R .160 W/chSURROUND BACK L/R .160 W/chDynamic Power Per Channel / (IHF) FRONT L/R (1 channel driven)R, T, K, A, B, G, F, L, H mode
22、ls (8 / 6 / 4 / 2 ohms) .140 / 180 / 210 / 250 WJ model (6 / 4 / 2 ohms) .150 / 180 / 220 WDamping Factor / (20 Hz to 20 kHz, 8 ohms)FRONT L/R to SPEAKER-A .100 or moreInput Sensitivity/Input Impedance / 入力感度入力(1 kHz, 100 W/8 ohms)PHONO (MM) . 3.5 mV / 47 k-ohmsAV5 etc. . 200 mV / 47 k-ohmsMaximum I
23、nput Signal / 最大許容入力 (1 kHz)PHONO (MM) (0.1 % THD) .60 mVAV5 etc. (Effect ON) (0.5 % THD) .230 mV SPECIFICATIONS / 参考仕様Output Level/Output Impedance / 出力電圧出力 REC OUT . 200 mV / 1.2 k-ohmsSUBWOOFER (2 channel stereo and FRONT SP: small) . 1 V / 1.2 k-ohmsR, T, K, A, B, G, F, L, H models ZONE2 OUT . 2
24、00 mV / 1.2 k-ohmsHeadphone Jack Rated Output/Output Impedance / 出力出力 AV5 etc. input (1 kHz, 50 mV, 8 ohms) . 100 mV / 560 ohmsFrequency Response / 再生周波数帯域 AV5 etc., FRONT (10 Hz to 100 kHz) .0 / -3 dBRIAA Equalization Deviation / RIAA 偏差 PHONO (MM) . 0 0.5 dBTotal Harmonic Distortion / 全高調波歪率 (20 H
25、z to 20 kHz)PHONO (MM) to REC OUT (1 V) .0.02 % or lessAV5 etc. (PURE DIRECT) to FRONT SP OUT (50 W)R, T, K, A, B, G, F, L, H models (8 ohms) .0.06 % or lessJ model (6 ohms) .0.06 % or lessSignal to Noise Ratio / 信号対雑音比 (IHF-A network) PHONO (MM) to REC OUTR, T, K, A, B, G, F, L, H models (Input sho
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