Yamaha-RXA720-avr-sm(1) 维修电路原理图.pdf

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1、P.O.Box 1, Hamamatsu, Japan101 2 3 7SERVICE 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 PANELS .34REAR PANELS .58REMOTE CONTROL PANEL .9SPECIFICATIONS .1015INTERNAL VIEW .1617SERVICE PRECAUTIONS .17DISASSEMBLY PROCEDURES .1823UPDATING FIRMWARE .2425SELF-DIAGNOSTIC FUNCTION .2664POWER AMPLIFIER ADJUSTMENT .65DISPLAY DATA .6669IC DATA .7089PIN CONNECTION DIAGRAMS .9091BLOCK

8、DIAGRAMS .9295PRINTED CIRCUIT BOARDS .96128SCHEMATIC DIAGRAMS .129148REPLACEMENT PARTS LIST .149171REMOTE CONTROL . 172174ADVANCED SETUP . 175176FIRMWARE UPDATING PROCEDURE .177188AV RECEIVERRX-V673/HTR-6065/RX-A720Copyright 2012 All rights reserved.This manual is copyrighted by YAMAHA and may not b

9、e copied orredistributed either in print or electronically without permission.12.05RX-V673/HTR-6065/RX-A720Note: When the DIGITAL P.C.B. or IC82 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 se

10、rial number of this unit to the following e-mail address.Yamaha Corporation will reply providing the setting procedure to make this unit operate properly.E-mail: ycav-RadioFans.CN 收音机爱 好者资料库This product contains chemicals known to the State of California to cause cancer, or birth defects or other re

11、productive 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 to solder/flux vapor!If you come in contact with solde

12、r 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 to those originally installed.2. Leakage Current Measu

13、rement (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. TO SERVICE PERSONNEL Leakage current must not exceed 0.5mA.

14、Be sure to test for leakage with the AC plug in both polarities.WARNING: CHEMICAL CONTENT NOTICE!For U model“CAUTION”“F3702: FOR CONTINUED PROTECTION AGAINST RISK OF FIRE, REPLACE ONLY WITH SAME TYPE 8A, 125V FUSE.”For C modelCAUTIONF3702: REPLACE WITH SAME TYPE 8A, 125V FUSE.ATTENTIONF3702: UTILISE

15、R UN FUSIBLE DE RECHANGE DE MME TYPE DE 8A, 125V.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 + Cu (tin +

16、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 lead free solderWALLOUTLETEQ

17、UIPMENTUNDER TESTAC LEAKAGETESTER OREQUIVALENTINSULATINGTABLE2RX-V673/HTR-6065/RX-A720RX-V673/HTR-6065/RX-A720RadioFans.CN 收音机爱 好者资料库 FRONT PANELSRX-V673 (U, C, R, T, K, A, B, G, F, L, S, H models)HTR-6065 (A, F models)3RX-V673/HTR-6065/RX-A720RX-V673/HTR-6065/RX-A720RX-A720 (U, C, A models)4RX-V673

18、/HTR-6065/RX-A720RX-V673/HTR-6065/RX-A720 REAR PANELSRX-V673 (U, C models)RX-V673 (R, S models)RX-V673 (T model)5RX-V673/HTR-6065/RX-A720RX-V673/HTR-6065/RX-A720RX-V673 (K model)RX-V673 (A model)RX-V673 (B, G, F models)6RX-V673/HTR-6065/RX-A720RX-V673/HTR-6065/RX-A720HTR-6065 (A model)RX-V673 (L, H

19、models)HTR-6065 (F model)H model7RX-V673/HTR-6065/RX-A720RX-V673/HTR-6065/RX-A720RX-A720 (A model)RX-A720 (U, C models)8RX-V673/HTR-6065/RX-A720RX-V673/HTR-6065/RX-A720 REMOTE CONTROL PANELRAV472Remote control sheet(T model)9RX-V673/HTR-6065/RX-A720RX-V673/HTR-6065/RX-A720 Audio SectionRated Output

20、Power (Power Amp. Section)(1 kHz, 0.9 % THD) 1 channel driven U, C, R, T, K, A, B, G, F, L, S, H models (8 ohms)FRONT L/R .125 W/chCENTER .125 WSURROUND L/R .125 W/chSURROUND BACK L/R .125 W/chB, G, F models (4 ohms)FRONT L/R .150 W/ch 2 channels driven simultaneously U, C, R, T, K, A, B, G, F, L, S

21、, H models (8 ohms)FRONT L/R .105 W + 105 WCENTER .105 WSURROUND L/R .105 W + 105 WSURROUND BACK L/R .105 W + 105 W(20 Hz to 20 kHz, 0.09 % THD) 2 channels driven simultaneously U, C, R, T, K, A, B, G, F, L, S, H models (8 ohms)FRONT L/R .90 W + 90 WMaximum Effective Output Power (JEITA) R, T, K, L,

22、 S, H models(1 channel driven, 1 kHz, 10 % THD, 8 ohms)FRONT L/R .150 W/chCENTER .150 WSURROUND L/R .150 W/chSURROUND BACK L/R .150 W/chDynamic Power Per Channel (IHF) FRONT L/R (1 channel driven)(8 / 6 / 4 / 2 ohms) .130 / 170 / 200 / 240 WDamping Factor (20 Hz to 20 kHz, 8 ohms)FRONT L/R to SPEAKE

23、R-A .100 or moreInput Sensitivity/Input Impedance (1 kHz, 100 W/8 ohms)AV5 etc. . 200 mV / 47 k-ohmsMaximum Input Signal (1 kHz, 0.5 % THD)AV5 etc. (EFFECT ON) .2.3 VOutput Level/Output ImpedanceAUDIO OUT . 200 mV / 1.2 k-ohmsSUBWOOFER (2 ch stereo and FRONT SP: small) . 1 V / 1.2 k-ohmsZONE2 OUT .

24、200 mV / 1.2 k-ohmsHeadphone Jack Rated Output/Output Impedance(1 kHz, 50 mV, 8 ohms)AV5 etc. input . 100 mV / 560 ohmsFrequency Response (10 Hz to 100 kHz)AV5 etc., FRONT .0 / -3 dBTotal Harmonic Distortion (20 Hz to 20 kHz, 50 W/8 ohms)AV5 etc. (PURE DIRECT) to FRONT SP OUT .0.06 % or lessSignal t

25、o Noise Ratio (IHF-A Network) (Input shorted 250 mV)AV5 etc. (PURE DIRECT) to SP OUT . 100 dB or moreResidual Noise (IHF-A Network)FRONT L/R to SP OUT .150 V or lessChannel Separation (1 kHz / 10 kHz)AV5 etc. (Input 5.1 k-ohms shorted) . 60 dB or more / 45 dB or moreVolume Control/Step .MUTE / -80 d

26、B to +16.5 dB / 0.5 dB stepTone Control CharacteristicsBassBoost/Cut . 6 dB / 0.5 dB step, at 50 HzTurnover frequency .350 HzTrebleBoost/Cut .6 dB / 0.5 dB step, at 20 kHzTurnover frequency .3.5 kHzFilter CharacteristicsFRONT, CENTER, SURROUND, SURROUND BACK small (H.P.F.) .fc=40/60/80/90/100/110/12

27、0/160/200 Hz, 12 dB/oct.SUBWOOFER small (L.P.F.) .fc=40/60/80/90/100/110/120/160/200 Hz, 24 dB/oct.Optical Jack, Coaxial Jack Support Frequencies .32 kHz to 96 kHz Video SectionVideo Signal TypeMonitor out (Wall paper)U, C, R, K models .NTSCT, A, B, G, F, L, S, H models .PALVideo conversion .NTSC/PA

28、LComposite Video Signal Level .1 Vp-p / 75 ohmsComponent Video Signal LevelY .1 Vp-p / 75 ohmsPb/Pr .0.7 Vp-p / 75 ohmsVideo Maximum Input Level (VIDEO Conversion Off) .1.5 Vp-p or moreVideo Signal to Noise Ratio . 50 dB or moreMonitor Out Frequency Response (VIDEO Conversion Off) Component video si

29、gnal level .5 Hz to 60 MHz, -3 dB FM SectionTuning RangeU, C models .87.5 to 107.9 MHzR, L, S, H models .87.5 to 108.0 / 87.50 to 108.00 MHzT, K, A, B, G, F models .87.50 to 108.00 MHz50 dB Quieting Sensitivity (IHF) (1 kHz, 100 % MOD.)Mono .3 V (20.8 dBf)Signal to Noise Ratio (IHF)Mono .71 dBStereo

30、 .69 dBHarmonic Distortion (1 kHz)Mono .0.3 %Stereo .0.5 %Antenna Input . 75 ohms unbalanced SPECIFICATIONS10RX-V673/HTR-6065/RX-A720RX-V673/HTR-6065/RX-A720U .U.S.A. modelC .Canadian modelR .General modelT.Chinese modelK .Korean modelA .Australian modelB .British modelG .European modelF. Russian mo

31、delL.Singapore modelS .Brazirian modelH .Thai model AM SectionTuning RangeU, C models .530 to 1,710 kHzR, L, S, H models .530 to 1,710 / 531 to 1,611 kHzT, K, A, B, G, F models .531 to 1,611 kHzAntenna .Loop antenna GeneralPower SupplyU, C models .AC 120 V, 60 HzR, S models .AC 110120/220240 V, 50/6

32、0 HzT model .AC 220 V, 50 HzK model .AC 220 V, 60 HzA model .AC 240 V, 50 HzB, G, F models .AC 230 V, 50 HzL, H models . AC 220240 V, 50/60 HzPower ConsumptionU, C models .400 W / 500 VAR, L, S, H models .300 WT, K, A, B, G, F models .330 WStandby Power Consumption (reference data)HDMI control: OFF

33、/ Standby through: OFF .0.1 W (typical)HDMI control: ON / Standby through: ONINPUT: HDMI1 (HDMI no signal) .3.0 W (typical)Network standby: ON .2.0 W (typical)Maximum Power Consumption R, L, S, H models .590 WDimensions (W x H x D)RX-V673/HTR-6065 .435 x 171 x 364 mm (17-1/8 x 6-3/4 x 14-3/8)RX-A720

34、 .435 x 171 x 367 mm (17-1/8 x 6-3/4 x 14-1/2)WeightRX-V673/HTR-6065 .10.2 kg (22.5 lbs.)RX-A720 .10.7 kg (23.6 lbs.)FinishRX-V673T model .Gold colorU, C, R, T, K, A, B, G, F, L, S, H models . Black colorR, B, G, F, L, H models .Titanium colorHTR-6065A, F models . Black colorRX-A720U, C, A models .

35、Black colorAccessoriesRemote control .x 1Batteries (R03, AAA, UM-4) .x 2FM antenna (1.4 m) .x 1AM antenna (1.0 m) .x 1YPAO microphone (6.0 m) .x 1Remote control sheet (T model) .x 1Power cable (2.0 m) (RX-A720) .x 1* Specifications are subject to change without notice.Manufactured under license from

36、 Dolby Laboratories. Dolby, Pro Logic and the double-D symbol are trademarks of Dolby Laboratories.“x.v.Color” is a trademark of Sony Corporation.DTS-HD, the Symbol, & DTS-HD and the Symbol together are registered trademarks & DTS-HD Master Audio is a trademark of DTS, Inc.Product includes software.

37、 DTS, Inc. All Rights Reserved.AirPlay, the AirPlay logo, iPad, iPhone, iPod, iPod nano, and iPod touch are trademarks of Apple Inc., registered in the U.S. and other countries.MPEG Layer-3 audio coding technology licensed from Fraunhofer IIS and Thomson.“HDMI,” the “HDMI” logo and “High-Definition

38、Multimedia Interface” are trademarks, or registered trademarks of HDMI Licensing LLC.This receiver supports network connections.11RX-V673/HTR-6065/RX-A720RX-V673/HTR-6065/RX-A720 DIMENSIONSUnit: mm (inch)Unit: mm (inch)Windows XP, Windows Vista, Windows 7 , Windows Media Audio, Windows Media Connect

39、 and Windows Media Player are either registered trademarks or trademarks of Microsoft Corporation in the United States and/or other countries.DLNA and DLNA CERTIFIED are trademarks or registered trademarks of Digital Living Network Alliance. All rights reserved. Unauthorized use is strictly prohibit

40、ed.Windows is a registered trademark of Microsoft Corporation in the United States and other countries.RX-V673/HTR-6065RX-A720Front viewTop view435 (17-1/8)150 (5-7/8)21(7/8)171 (6-3/4)364 (14-3/8)324 (12-3/4)193 (7-5/8)59(2-1/4)72(2-7/8)22(7/8)18(3/4)335 (13-1/4) 6050(2)Front viewTop view435 (17-1/

41、8)150 (5-7/8)21(7/8)171 (6-3/4)367 (14-1/2)324 (12-3/4)193 (7-5/8)173 (6-3/4)222.5 (8-3/4)212.5 (8-3/8)59(2-1/4)72(2-7/8)22(7/8)21(7/8)335 (13-1/4) 60 48/1850(2)“SILENT CINEMA” is a trademark of Yamaha Corporation.12RX-V673/HTR-6065/RX-A720RX-V673/HTR-6065/RX-A720PanoramaCenter WidthDimensionCenter

42、ImageOff / On, Off0 to 7, 3-3 to +3, 00.0 to 1.0, 0.3 Pro Logic PL IIx Movie / PL II Movie PL IIx Music /Decode Type PL II Music PL IIx Game / PL II GameNeo:6 CinemaNeo:6 Music*1 Surround Decoder SELECT MENUSound field parametersMOVIE THEATERStandardSpectacleSci-FiAdventureDramaMono MovieENTERTAINME

43、NTSportsAction GameRoleplaying GameMusic VideoCLASSICALHall in MunichHall in ViennaChamberLIVE/CLUBCellar ClubThe Roxy TheatreThe Bottom LineSTEREO2ch Stereo7ch StereoSUR. DECODESURROUND DECODERSTRAIGHTCategoryProgramParameterDecode Type (*1)DSP Level: -6 to +3 dB, 0Initial Delay: 1 to 99 msSurround

44、 Initial Delay: 1 to 49 msSurround Back Initial Delay: 1 to 49 msRoom Size: 0.1 to 2.0Surround Room Size: 0.1 to 2.0Surround Back Room Size: 0.1 to 2.0Liveness: 0 to 10Surround Liveness: 0 to 10Surround Back Liveness: 0 to 10Reverb Time: 1.0 to 5.0 sReverb Delay: 0 to 250 msReverb Level: 0 to 100 %D

45、irect: Auto / Off, AutoLevel: -5 to +5, 0Front/Rear Balance: -5 to +5, 0Left/Right Balance: -5 to +5, 0Height Balance: 0 to 10, 5Monaural Mix: Off / On, OffReset13RX-V673/HTR-6065/RX-A720RX-V673/HTR-6065/RX-A720 SET MENU TABLEMAIN MENUSUB-MENUPARAMETERVALUE INITIAL VALUESpeakerAutoMeasureOptimizes t

46、he speaker configuration automatically using YPAO.SetupResultNot AvailableManualPower Amp AssignBasic / 7ch +1ZONE / 5ch BI-AMPConfigurationFrontLarge / Small* When “Subwoofer” is set to “None” , “Front” is disabled.CenterLarge / Small / NoneSurroundLarge / Small / NoneSurround BackLarge x1 / Large

47、x2 / Small x1 / Small x2 / NoneFront PresenceUse / NoneSubwooferUse / NoneNormal / ReverseExtra BassNot AvailableBass Cross Over40 / 60 / 80 / 90 / 100 / 110 / 120 / 160 / 200 HzDistanceMeter / FeetFront LFront RCenterSurround LSurround R0.30 to 24.00 m, 3.00 m, 0.05 m stepSurround Back L1.0 to 80.0

48、 ft, 10.0 ft, 0.2 ft stepSurround Back RFront Presence LFront Presence RSubwooferLevelFront LFront RCenterSurround LSurround R-10.0 to +10.0 dB, 0.0 dB, 0.5 dB stepSurround Back LSurround Back RFront Presence LFront Presence RSubwooferParametric EQManual / YPAO : Flat / YPAO : Front / YPAO : Natural

49、 / Through* Select “ENTER”Front LBand Band: #1 to #7Front R/ Gain Gain: -20.0 to +6.0 dB, 0.0 dB, 0.5 dB stepCenterSurround LFrequency Frequency: 31.3 Hz to 16.0 kHz, 62.5 HzSurround R/ Gain Gain: -20.0 to +6.0 dB, 0.0 dB, 0.5 dB stepSurround Back LSurround Back RQ Q: 0.500 to 10.080, 1.000Front Pre

50、sence L/ Gain Gain: -20.0 to +6.0 dB, 0.0 dB, 0.5 dB stepFront Presence RPEQ Data CopyFlat Manual / Front Manual / Natural Manual* Select “ENTER”PEQ Data ClearOK / CANCEL * Select “ENTER”Test ToneOff / OnSound Setup LipsyncDelay EnableHDMI1 / HDMI2 / HDMI3 / HDMI4 /HDMI5 / AV1 / AV2 / AV3 / AV4 / AV