Yamaha-RXV-771-Service-Manual电路原理图.pdf

《Yamaha-RXV-771-Service-Manual电路原理图.pdf》由会员分享，可在线阅读，更多相关《Yamaha-RXV-771-Service-Manual电路原理图.pdf（148页珍藏版）》请在收音机爱好者资料库上搜索。

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

17、o use a soldering iron suitable to each solder. About lead free solder / 無鉛 2 RX-V771 RX-V771 FRONT PANEL R, T, K, A, B, G, F, L, H, J models J model R, T, K, A, B, G, F, L, H models REAR PANELS R model 3 RX-V771 RX-V771 K model A model T model 4 RX-V771 RX-V771 B, G, F models L, H models J model H

18、model 5 RX-V771 RX-V771 REMOTE CONTROL PANELS RAV442 (R, A, L, H, J models) RAV443 (T, K, B, G, F models) 6 RX-V771 RX-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/ch CENTER .13

19、0 W SURROUND L/R .130 W/ch SURROUND BACK L/R .130 W/ch B, G, F models (4 ohms) FRONT L/R .160 W/ch J model (6 ohms) FRONT L/R .130 W/ch CENTER .130 W SURROUND L/R .130 W/ch SURROUND 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 W

20、CENTER .110 W SURROUND L/R .110 W + 110 W SURROUND BACK L/R .110 W + 110 W J model (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 W J model (6 ohms) FRONT L/R .95 W + 95 W Maximum Effectiv

21、e Output Power / 実用最大出力 (JEITA) (1 channel driven / 1 kHz, 10 % THD) R, T, L, H, J models R, T, L, H models (8 ohms) FRONT L/R .160 W/ch CENTER .160 W SURROUND L/R .160 W/ch SURROUND BACK L/R .160 W/ch J model (6 ohms) FRONT L/R .160 W/ch CENTER .160 W SURROUND L/R .160 W/ch SURROUND BACK L/R .160 W

22、/ch Dynamic Power Per Channel / (IHF) FRONT L/R (1 channel driven) R, T, K, A, B, G, F, L, H models (8 / 6 / 4 / 2 ohms) .140 / 180 / 210 / 250 W J model (6 / 4 / 2 ohms) .150 / 180 / 220 W Damping Factor / (20 Hz to 20 kHz, 8 ohms) FRONT L/R to SPEAKER-A .100 or more Input Sensitivity/Input Impedan

23、ce / 入力感度入力 (1 kHz, 100 W/8 ohms) PHONO (MM) . 3.5 mV / 47 k-ohms AV5 etc. . 200 mV / 47 k-ohms Maximum Input Signal / 最大許容入力 (1 kHz) PHONO (MM) (0.1 % THD) .60 mV AV5 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-ohms SUBW

24、OOFER (2 channel stereo and FRONT SP: small) . 1 V / 1.2 k-ohms R, T, K, A, B, G, F, L, H models ZONE2 OUT . 200 mV / 1.2 k-ohms Headphone Jack Rated Output/Output Impedance / 出力出力 AV5 etc. input (1 kHz, 50 mV, 8 ohms) . 100 mV / 560 ohms Frequency Response / 再生周波数帯域 AV5 etc., FRONT (10 Hz to 100 kH

25、z) .0 / -3 dB RIAA Equalization Deviation / RIAA 偏差 PHONO (MM) . 0 0.5 dB Total Harmonic Distortion / 全高調波歪率 (20 Hz to 20 kHz) PHONO (MM) to REC OUT (1 V) .0.02 % or less AV5 etc. (PURE DIRECT) to FRONT SP OUT (50 W) R, T, K, A, B, G, F, L, H models (8 ohms) .0.06 % or less J model (6 ohms) .0.06 %

26、or less Signal to Noise Ratio / 信号対雑音比 (IHF-A network) PHONO (MM) to REC OUT R, T, K, A, B, G, F, L, H models (Input shorted 5 mV) . 81 dB or more J model (Input shorted 2.5 mV) .80 % or less AV5, etc. (PURE DIRECT) to SP OUT (Input shorted 250 mV) . 100 dB or more Residual Noise / 残留 (IHF-A Network

27、) FRONT L/R to SP OUT .150 V or less Channel Separation / (1 kHz / 10 kHz) PHONO (Input shorted) . 60 dB or more / 55 dB or more AV5, etc. (Input 5.1 k-ohms shorted) . 60 dB or more / 45 dB or more Volume Control / 可変範囲 .MUTE / -80 dB to +16.5 dB / 0.5 dB step Tone Control Characteristics / 特性 Bass

28、Boost/Cut . 6 dB / 0.5 dB step, at 50 Hz Turnover frequency .350 Hz Treble Boost/Cut .6 dB / 0.5 dB step, at 20 kHz Turnover frequency .3.5 kHz Filter Characteristics / 特性 FRONT, CENTER, SURROUND, SURROUND BACK small (H.P.F.) .fc=40/60/80/90/100/110/120/160/200 Hz, 12 dB/oct. SUBWOOFER small (L.P.F.

29、) .fc=40/60/80/90/100/110/120/160/200 Hz, 24 dB/oct. Optical Jack, Coaxial Jack Support Fs / Optical 端子、Coaxial 端子 対応 Fs .32 kHz to 96 kHz 7 RX-V771 RX-V771 R .General model T.Chinese model K .Korean model A .Australian model B .British model G .European model F. Russian model L.Singapore model H .T

30、hai model J .Japanese model Video Section / 部 Video Signal Type / 信号方式 Monitor out (Wall paper) / （壁紙） R, J models .NTSC T, K, A, B, G, F, L, H models .PAL Video conversion / .NTSC/PAL Composite Video Signal Level / 信号 .1 Vp-p / 75 ohms S-Video Signal Level B, G, F models Y .1 Vp-p / 75 ohms C .0.28

31、6 Vp-p / 75 ohms Component Video Signal Level / 信号 Y .1 Vp-p / 75 ohms Pb/Pr .0.7 Vp-p / 75 ohms D4 Video Signal / D4 信号 J model Y .1 Vp-p / 75 ohms Pb/Pr .0.7 Vp-p / 75 ohms Video Maximum Input Level / 最大許容入力 (VIDEO Conversion Off) .1.5 Vp-p or more Video Signal to Noise Ratio / 信号対雑音比 . 50 dB or m

32、ore Monitor Out Frequency Response / 出力周波数帯域 (VIDEO Conversion Off) Component video signal level / 信号 .5 Hz to 60 MHz, -3 dB D4 video signal / D4 信号 J model .5 Hz to 60 MHz, -3 dB FM Section / FM 部 Tuning Range / 受信周波数範囲 R, L, H models .87.5 to 108.0 MHz / 87.50 to 108.00 MHz T, K, A, B, G, F models .87.50 to 108.00 MHz J model .76.0 to 90.0 MHz 50 dB Quieting Sensitivity / 50 dB SN 感度 (IHF) (1 kHz, 100 % MOD.) Mono .3 V (20.8 dBf) Signal to Noise Ratio / 信号対雑音比 (IHF) Mono .