Yamaha-AXV765-avr-sm(1) 维修电路原理图.pdf

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1、AV RECEIVER/AV AMPLIFIER1 0 11 4 1animate 09.05P.O.Box 1, Hamamatsu, JapanCopyright 2009 All rights reserved.This manual is copyrighted by YAMAHA and may not be copied orredistributed either in print or electronically without permission.SERVICE MANUALRX-V765/HTR-6270/AX-V765RX-V765/HTR-6270/AX-V765I

2、MPORTANT 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 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 specifi ed. For these reasons, we advise all YAMAHA product owners that any se

4、rvice 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 of any applicable technical capabilities, or esta

5、blish 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, inevitab

6、le 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 any static electricity your body may have accumulate

7、d 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 PERSONNEL .2FRONT PANELS .34REAR PANELS .58REMOTE CONTRO

8、L PANEL .9SPECIFICATIONS / 参考仕様 .1016INTERNAL VIEW .17SERVICE PRECAUTIONS / 時注意事項 .17DISASSEMBLY PROCEDURES / 分解手順 .1820UPDATING FIRMWARE / 書込 .2131SELF-DIAGNOSTIC FUNCTION / （自己診断機能） .3264CONFIRMATION OF IDLING CURRENT OF AMP UNIT / 電流確認 .65DISPLAY DATA .6667IC DATA .6886PIN CONNECTION DIAGRAMS .87

9、89BLOCK DIAGRAMS .9093PRINTED CIRCUIT BOARDS .94111SCHEMATIC DIAGRAMS . 113124REPLACEMENT PARTS LIST .125147REMOTE CONTROL .148150ADVANCED SETUP .151152本機基本設定 / 初期化行 .153154RadioFans.CN 收音机爱 好者资料库2RX-V765/HTR-6270/AX-V765RX-V765/HTR-6270/AX-V765This product contains chemicals known to the State of C

10、alifornia 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 not inhale solder fumes or expose eyes

11、 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 with parts having specifications equal

12、 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 equivalent to 1500 ohms shunted by 0.15 F.For U

13、model“CAUTION”“F3701: FOR CONTINUED PROTECTION AGAINST RISK OF FIRE, REPLACE ONLY WITH SAME TYPE 10A, 125V FUSE.”For C modelCAUTIONF3701: REPLACE WITH SAME TYPE 10A, 125V FUSE.ATTENTIONF3701: UTILISER UN FUSIBLE DE RECHANGE DE MME TYPE DE 10A, 125V.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）

14、 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 repair work. Sn + Ag

15、 + 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. TO SERVICE PERSONNEL

16、 Leakage current must not exceed 0.5mA. Be sure to test for leakage with the AC plug in both polarities.WALLOUTLETEQUIPMENTUNDER TESTAC LEAKAGETESTER OREQUIVALENTINSULATINGTABLEWARNING: CHEMICAL CONTENT NOTICE!About lead free solder / 無鉛RadioFans.CN 收音机爱 好者资料库3RX-V765/HTR-6270/AX-V765RX-V765/HTR-627

17、0/AX-V765U modelC, R, T, K, A, B, G, E, F, L modelsJ modelTop viewFront view FRONT PANELSRX-V765 (U model)RX-V765 (C, R, K, A, B, G, E, F, L models)4RX-V765/HTR-6270/AX-V765RX-V765/HTR-6270/AX-V765AX-V765 (J model)HTR-6270 (C, F models)RX-V765 (T model)5RX-V765/HTR-6270/AX-V765RX-V765/HTR-6270/AX-V7

18、65RX-V765 (U model)RX-V765 (C model)RX-V765 (R model) REAR PANELS6RX-V765/HTR-6270/AX-V765RX-V765/HTR-6270/AX-V765RX-V765 (T model)RX-V765 (K model)RX-V765 (A model)7RX-V765/HTR-6270/AX-V765RX-V765/HTR-6270/AX-V765RX-V765 (B, G, E, F models)RX-V765 (L model)HTR-6270 (C model)8RX-V765/HTR-6270/AX-V76

19、5RX-V765/HTR-6270/AX-V765HTR-6270 (F model)AX-V765 (J model)9RX-V765/HTR-6270/AX-V765RX-V765/HTR-6270/AX-V765 REMOTE CONTROL PANELSRAV290(U model)RAV291(C model)RAV292(R, A, L models)RAV295(T, K, B, G, E, F models)RAV289(J model)10RX-V765/HTR-6270/AX-V765RX-V765/HTR-6270/AX-V765 Audio Section / 部Min

20、imum RMS Output Power (Power Amp. Section) / 定格出力（部） RX-V765(20 Hz to 20 kHz, 0.08 % THD, 8 ohms)FRONT L/R .95 W + 95 WCENTER .95 WSURROUND L/R .95 W + 95 WSURROUND BACK L/R .95 W + 95 WHTR-6270 (1 kHz, 0.7 % THD, 8 ohms)FRONT L/R .110 W + 110 WCENTER .110 WSURROUND L/R .110 W + 110 WSURROUND BACK L

21、/R .110 W + 110 WAX-V765 (20 Hz to 20 kHz, 0.09 % THD, 6 ohms)FRONT L/R .95 W + 95 WCENTER .95 WSURROUND L/R .95 W + 95 WSURROUND BACK L/R .95 W + 95 WMaximum Power / 実用最大出力 (JEITA) (1 kHz, 10 % THD)R, T, K, L, J modelsFRONT L/RR, T, K, L models (8 ohms) .135 W + 135 WJ model (6 ohms) .135 W + 135 W

22、CENTERR, T, K, L models (8 ohms) .135 WJ model (6 ohms) .135 WSURROUND L/RR, T, K, L models (8 ohms) .135 W + 135 WJ model (6 ohms) .135 W + 135 WSURROUND BACK L/RR, T, K, L models (8 ohms) .135 W + 135 WJ model (6 ohms) .135 W + 135 WMAX. Power Per Channel (1 kHz, 0.7 % THD, 4 ohms) B, G, E, F, L m

23、odels FRONT L/R .145 W + 145 WCENTER .145 WSURROUND L/R .145 W + 145 WSURROUND BACK L/R .145 W + 145 WIEC Power (1 kHz, 0.08 % THD, 8 ohms) B, G, E, F, L models FRONT L/R .105 W + 105 WDynamic Power Per Channel / (IHF) FRONT L/R driveU, C, R, T, K, A, B, G, E, F, L models (8 / 6 / 4 / 2 ohms) .130 /

24、 165 / 195 / 240 WJ model (6 / 4 / 2 ohms) .135 / 165 / 210 WDynamic Headroom U, C models 8 ohms .1.4 dBDamping Factor / (20 Hz to 20 kHz, 8 ohms, SPEAKER-A)FRONT L/R .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-oh

25、msMULTI CH INPUTFRONT L/R, CENTER, SURROUND L/R, SURROUND BACK L/R, SUBWOOFER . 200 mV / 47 k-ohmsMaximum Input Signal / 最大許容入力 (1 kHz)PHONO (MM) (0.1 % THD) .60 mV or moreAV5 etc. (Effect ON) (0.5 % THD) .2.3 V or more SPECIFICATIONS / 参考仕様Output Level/Output Impedance / 出力電圧出力 REC OUT . 200 mV/1.2

26、 k-ohmsPRE OUT . 1 V/1.2 k-ohmsSUBWOOFER (2 ch stereo and FRONT SP: small) . 1 V/1.2 k-ohmsZONE2 OUTU, C, R, T, K, A, B, G, E, F, L models . 200 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/470 ohmsFrequency Response / 再生周波数帯域 AV5 et

27、c., 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 PHONO (MM) to REC OUT (20 Hz to 20 kHz, 1 V) .0.02 % or lessAV5 etc. (PURE DIRECT) to FRONT SP OUT (20 Hz to 20 kHz, 50 W) U, C models (8 ohms) .0.08 % or lessR, A, B,

28、G, E, F, L models (6 ohms) .0.08 % or lessSignal to Noise Ratio / 信号対雑音比 (IHF-A network) PHONO (MM) to REC OUT (Input shorted 5 mV) U, C, R, T models . 86 dB or moreK, A, B, G, E, F, L models . 81 dB or morePHONO (MM) to REC OUT (Input shorted 2.5 mV) J model . 80 dB or moreAV5, etc. (PURE DIRECT) t

29、o SP OUT (Input shorted 250 mV) . 100 dB or moreResidual Noise / 残留 (IHF-A Network)FRONT L/R to SP OUT .150 V or lessChannel Separation / (1 kHz / 10 kHz)PHONO (Input shorted) . 60 dB or more / 55 dB or moreAV5, etc. (Input 5.1 k-ohms shorted) . 60 dB or more / 45 dB or moreVolume Control / 可変範囲 .MU

30、TE / -80 dB to +16.5 dB / 0.5 dB stepTone Control Characteristics / 特性 FRONT L/R BassBoost/Cut . 10 dB/2 dB, step 50 HzTurnover frequency .350 HzTrebleBoost/Cut .10 dB/2 dB, step 20 kHzTurnover frequency .3.5 kHzFilter Characteristics / 特性 FRONT, CENTER, SURROUND, SURROUND BACK small (H.P.F.) .fc=40

31、/60/80/90/100/110/120/160/200 Hz, 12 dB/oct.SUBWOOFER small (L.P.F.) .fc=40/60/80/90/100/110/120/160/200 Hz, 24 dB/oct. Video Section / 部Video Signal Type (Gray back) / 信号方式（） U, C, R, K, J models .NTSCT, A, B, G, E, F, L models .PALComposite Video Signal Level / 信号 .1 Vp-p / 75 ohmsS-Video Signal L

32、evel B, G, E, F models Y .1 Vp-p / 75 ohmsC .0.286 Vp-p / 75 ohms11RX-V765/HTR-6270/AX-V765RX-V765/HTR-6270/AX-V765Neural Surround name and related logos are trademarks owned by Neural Audio Corporation.U .U.S.A. modelC .Canadian modelR .General modelT .Chinese modelK .Korean modelA .Australian mode

33、lB .British modelG .European modelE .South European modelF . Russian modelL .Singapore modelJ .Japanese modelComponent Video Signal Level / 信号 Y .1 Vp-p / 75 ohmsCb/Cr .0.7 Vp-p / 75 ohmsD4 Video Signal / D4 信号 J model Y .1 Vp-p / 75 ohmsCb/Cr .0.7 Vp-p / 75 ohmsVideo Maximum Input Level / 最大許容入力 VI

34、DEO CONVERSION OFF .1.5 Vp-p or moreVideo Signal to Noise Ratio / 信号対雑音比 . 50 dB or moreMonitor Out Frequency Response / 出力周波数帯域(VIDEO CONVERSION OFF)Component video signal level .5 Hz to 60 MHz, -3 dBD4 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 U, C

35、 models .87.5 to 107.9 MHzR, L models .87.5 to 108.0 MHz / 87.50 to 108.00 MHzT, K, A, B, G, E, F models .87.50 to 108.00 MHzJ model .76.0 to 90.0 MHz50 dB Quieting Sensitivity (IHF) (1 kHz, 100 % MOD.)Mono/Stereo .3 V (20.8 dBf)Signal to Noise Ratio / 信号対雑音比 (IHF) Mono .74 dBStereo .70 dBHarmonic D

36、istortion / 歪率 (1 kHz) Mono .0.3 %Stereo .0.3 %Antenna Input / 入力 . 75 ohms unbalanced AM Section / AM 部Tuning Range / 受信周波数範囲U, C models .530 to 1,710 kHzR, L models .530 to 1,710 kHz / 531 to 1,611 kHzT, K, A, B, G, E, F, J models .531 to 1,611 kHzAntenna / .Loop antenna General / 総合Power Supply /

37、 電源電圧 U, C models .AC 120 V, 60 HzR model . AC 110/120/220/230240 V, 50/60 HzT model .AC 220 V, 50 HzK model .AC 220 V, 60 HzA model .AC 240 V, 50 HzB, G, E, F models .AC 230 V, 50 HzL model . AC 220/230240 V, 50/60 HzJ model .AC 100 V, 50/60 HzPower Consumption / 消費電力 U, C models .400 W / 500 VAR,

38、T, K, A, B, G, E, F, L models .400 WJ model .240 WStandby Power Consumption (reference data) / 待機時消費電力 ( 参考値 ) HDMI control: OFF / Standby through: OFF .0.2 W or lessHDMI control: ON / Standby through: ON .1.2 W or lessHDMI control: ON / Standby through: ON / Repeat .3.0 W or lessMaximum Power Consu

39、mption R, L models .590 WManufactured under license from Dolby Laboratories.Dolby, Pro Logic and the double-D symbol are trademarks of Dolby Laboratories.実施権基製造。 、PRO LOGIC 、Surround EX D 記号 、 商標。DTS is a registered trademark and the DTS logos, Symbol, DTS-HD and DTSHD Master Audio are trademark of

40、DTS, Inc. 1996-2007 DTS, Inc. All Rights Reserved.DTS DTS 社登録商標。、DTS 、記号、 DTS-HD、DTS-HD Master Audio DTS 社商標。著作権 1996-2007 年 DTS 社。不許複製。“iPod” is a trademark of Apple Inc., registered in the U.S. and other countries.iPod 、米国他国登録 Apple Inc. 商標登録商標。Dimensions (W x H x D) / 寸法（幅 高 奥行） .435 x 171 x 365

41、mm (17-1/8 x 6-3/4 x 14-3/8)Weight / 質量 .11.0 kg (24.3 lbs.)Finish / 仕上 RX-V765Gold color . T modelBlack color .U, C, R, T, A, B, G, E, F, L modelsTitanium color .K, G, E, F, L modelsHTR-6270Black color .C, F modelsAX-V765Black color .J modelAccessories / 付属品Remote control .x 1Battery (R03, AAA, UM-

42、4) .x 2Indoor FM antenna (1.4 m) .x 1AM loop antenna (1.0 m) .x 1Optimizer microphone (6.0 m) .x 1Power cable (2 m) (J model) .x 1* Specifications are subject to change without notice due to product improvements. 参考仕様外観予告変更。12RX-V765/HTR-6270/AX-V765RX-V765/HTR-6270/AX-V765Front viewTop view395 (15-

43、1/2)435 (17-1/8)252 (9-7/8) 323 (12-3/4)23(7/8)19(3/4)365 (14-3/8)150 (5-7/8)21(3/4)171 (6-3/4)SIRIUS, XM and all related marks and logos are trademarks of Sirius XM Radio Inc. and its subsidiaries. All rights reserved. Service not available in Alaska and Hawaii.Bluetooth is a registered trademark o

44、f Bluetooth SIG and is used by Yamaha in accordance with a license agreement.Bluetooth 、Bluetooth SIG 登録商標基使用。“HDMI,” the “HDMI” logo and “High-Definition Multimedia Interface” are trademarks, or registered trademarks of HDMI Licensing LLC.HDMI、HDMI 、 High-Definition Multimedia Interface 、HDMI Licen

45、sing, LLC 商標登録商標。“x.v.Color” is a trademark of Sony Corporation.x.v.Color、株式会社商標。“SILENT CINEMA” is a trademark of Yamaha Corporation.SILENT CINEMA 株式会社登録商標。AAC 商標。 DIMENSIONSUnit: mm (inch)単位 ： mm（）NameBD/DVDTVCDRADIOINPUTHDMI1AV-1(Component / Optical)AV-3(Video / Coaxial)TUNERSound field modeSTRAI

46、GHTSTRAIGHTSTRAIGHTMUSIC ENHANCER7ch EnhancerIR code outputDVD PlayNoneCD Power On / PlayNone SCENE TEMPLATE13RX-V765/HTR-6270/AX-V765RX-V765/HTR-6270/AX-V765*1 Decode Type : The parameter to be used varies between when there is one surround pack and when there are two. On the display, the parameter

47、 value varies accordingly while the same parameter name appears. / 数 1 場合 2 場合使用変 名同表示値切換表 : Setting is possible only when Pro Logic II x Music (Pro Logic II Music) is selected using decode type. / Decode Type Pro Logic II x Music（Pro Logic II Music）選択時設定可 : Setting is possible only when Neo:6 Music

48、 is selected using decode type. / Decode Type Neo:6 Music 選択時設定可 : Setting is possible only when CS II Cinema/Music is selected using decode type. / Decode Type CS II Cinema/Music 選択時選択可*2 Decode TypePL II when Surround Back is None. / Surround Back None 場合 PL IIPL II when Surround Back is None. / S

49、urround Back None 場合 PL IIPL II when Surround Back is None. / Surround Back None 場合 PL II(U model)PL II when Surround Back is None. / Surround Back None 場合 PL IIDecode TypePro LogicPL II x MoviePL II x MusicPL II x GamePro Logic II zNeo:6 CinemaNeo:6 MusicNeural Sur.Decode TypePL II x MovieNeo:6 Cin

50、emaParameterCategoryProgramDecode Type3D DSP: ON/OFFDSP Level: -6dB to +3dBInit. Delay: 1 to 99msRoom Size: 0.1 to 2.0Liveness: 0 to 10Sur. Init. Delay: 1 to 49msSur. Room Size: 0.1 to 2.0Sur. Liveness: 0 to 10SB. Init. Delay: 1 to 49msSB. Room Size: 0.1 to 2.0SB. Liveness: 0 to 10Rev. Time: 1.0 to