Yamaha-RXV620-avr-sm 维修电路原理图.pdf

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1、AV RECEIVER100760I CONTENTSTO SERVICE PERSONNEL . 1FRONT PANELS . 2REAR PANELS .3 4SPECIFICATIONS .5 7INTERNAL VIEW . 7DISASSEMBLY PROCEDURES .8 10SELF DIAGNOSIS FUNCTION.11 29AMP CHECK . 30IC DATA .31 38DISPLAY DATA .39 40PIN CONNECTION DIAGRAM . 41BLOCK DIAGRAM .42 45PRINTED CIRCUIT BOARD .46 69SC

2、HEMATIC DIAGRAM .70 75PARTS LIST .76 94REMOTE CONTROL TRANSMITTER.95 97This 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 specifically YAMAHA Products, are alreadykn

3、own 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 personalinjury, destruction of expensive components, and failure of the product to perform as specified. For thesereason

4、s, we advise all YAMAHA product owners that any service required should be performed by anauthorized YAMAHA Retailer or the appointed service representative.IMPORTANT:The presentation or sale of this manual to any individual or firm does not constitute authorization, certificationor recognition of a

5、ny applicable technical capabilities, or establish a principle-agent relationship of anyform.The data provided is believed to be accurate and applicable to the unit(s) indicated on the cover. The research, engineering, andservice departments of YAMAHA are continually striving to improve YAMAHA produ

6、cts. Modifications are, therefore,inevitable and specifications are subject to change without notice or obligation to retrofit. Should any discrepancy appear to exist,please contact the distributors Service Division.WARNING:Static discharges can destroy expensive components. Discharge any static ele

7、ctricity your body may haveaccumulated by grounding yourself to the ground buss in the unit (heavy gauge black wires connect to thisbuss).IMPORTANT:Turn the unit OFF during disassembly and part replacement. Recheck all work before you apply power to theunit.IMPORTANT NOTICERX-V620/HTR-5460RX-V620RDS

8、SERVICE MANUALRX-V620/HTR-5460RX-V620RDSRadioFans.CN 收音机爱 好者资料库RX-V620/HTR-5460/RX-V620RDSRX-V620/HTR-5460RX-V620RDSI TO SERVICE PERSONNEL1. Critical Components InformationComponents having special characteristics are marked Zand must be replaced with parts having specifications equalto those origin

9、ally installed.2. Leakage Current Measurement (For 120V Models Only)When service has been completed, it is imperative to verifythat all exposed conductive surfaces are properly insulatedfrom supply circuits.GMeter impedance should be equivalent to 1500 ohm shuntedby 0.15F.GLeakage current must not e

10、xceed 0.5mA.AC LEAKAGETESTER OREQUIVALENTEQUIPMENTUNDER TESTINSULATINGTABLEWALLOUTLET1WARNING: CHEMICALCONTENT NOTICE!The solder used in the production of this productcontains LEAD. In addition, other electrical/electronic and/or plastic (where applicable)components may also contain traces of chemic

11、alsfound by the California Health and WelfareAgency (and possibly other entities) to causecancer and/or birth defects or other reproductiveharm.DO NOT PLACE SOLDER, ELECTRICAL/ELECTRONIC OR PLASTIC COMPONENTS INYOUR MOUTH FOR ANY REASONWHATSOEVER!Avoid prolonged, unprotected contact betweensolder an

12、d your skin! When soldering, do notinhale solder fumes or expose eyes to solder/fluxvapor!If you come in contact with solder or componentslocated inside the enclosure of this product, washyour hands before handling food.IMPEDANCE SELECTORWARNINGDo not change the IMPEDANCE SELECTORswitch setting whil

13、e the power to this unit ison, otherwise this unit may be damaged.GBe sure to test for leakage with the AC plug in bothpolarities.“CAUTION”“F741 : FOR CONTINUED PROTECTION AGAINST RISK OF FIRE, REPLACE ONLY WITH SAME TYPE 2A, 125V FUSE.”“F742 : FOR CONTINUED PROTECTION AGAINST RISK OF FIRE, REPLACE

14、ONLY WITH SAME TYPE 8A, 125V FUSE.”CAUTIONF741 : REPLACE WITH SAME TYPE 2A, 125V FUSE.F742 : REPLACE WITH SAME TYPE 8A, 125V FUSE.ATTENTIONF741 : UTILISER UN FUSIBLE DE RECHANGE DE MEME TYPE DE 2A, 125V.F742 : UTILISER UN FUSIBLE DE RECHANGE DE MEME TYPE DE 8A, 125V.A VRadioFans.CN 收音机爱 好者资料库RX-V620

15、/HTR-5460/RX-V620RDSRX-V620/HTR-5460RX-V620RDS2M RX-V620/HTR-5460M RX-V620RDSSILENTVIDEO AUXPHONESS VIDEOVIDEOL AUDIO ROPTICAL6CH INPUTINPUT MODEINPUTVOLUMEPRESET/TUNINGEDITMEMORYEFFECTMANL/AUTO FMTUNINGMODEAUTO/MANL MONOFM/AMDSPPROGRAMBASSTREBLESPEAKERSABOFFONOFFONSTANDBY/OND I G I T A LBASSEXTENSI

16、ON+SURROUNDD I G I TA LI FRONT PANELSSILENTVIDEO AUXPHONESS VIDEOVIDEOL AUDIO ROPTICAL6CH INPUTINPUT MODEINPUTVOLUMERDS MODE/FREQEONPTY SEEKMODESTARTPRESET/TUNINGEDITMEMORYEFFECTMANL/AUTO FMTUNINGMODEAUTO/MANL MONOFM/AMDSPPROGRAMBASSTREBLESPEAKERSABOFFONOFFONSTANDBY/OND I G I T A LBASSEXTENSION+SURR

17、OUNDD I G I TA LA/B/C/D/ERX-V620/HTR-5460/RX-V620RDSRX-V620/HTR-5460RX-V620RDSM RX-V620 L model3M RX-V620/HTR-5460 U modelI REAR PANELSM RX-V620/HTR-5460 C modelM RX-V620 R model, RX-V620/HTR-5460 T model240V50RX-V620/HTR-5460/RX-V620RDSRX-V620/HTR-5460RX-V620RDS4M RX-V620/HTR-5460 A modelM RX-V620R

18、DS G modelM RX-V620RDS B modelRX-V620/HTR-5460/RX-V620RDSRX-V620/HTR-5460RX-V620RDSI FM SECTIONTuning RangeU, C models . . . . . . . . . . . . . . . . . . . . . . .87.5 to 107.9MHzA, B, G, L models . . . . . . . . . . . . . . . .87.50 to 108.00MHzR, T models . . . . . . . . . 87.5 to 108.0/87.50 to

19、108.00MHz50dB Quieting Sensitivity (IHF, 75 )Mono (1kHz, 100% Mod.) . . . . . . . . . . . . . 2.0V (17.3dBf)Stereo (1kHz, 100% Mod.) . . . . . . . . . . . . . 25V (39.2dBf)Usable Sensitivity (IHF)Mono . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.0V (11.2dBf)Selectivity400kHz . . . . .

20、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70dBSignal-to-Noise Ratio (IHF)Mono . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76dBStereo . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70dBHarmonic DistortionMono (1kHz) . .

21、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.2%Stereo (1kHz) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.3%Stereo Separation1kHz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45dBFrequency Response20Hz to 15kHz . . . . . . . . . .

22、 . . . . . . . . . . . . . . . . . +0.5/-2dBAntenna Input . . . . . . . . . . . . . . . . . . . . . . . 75 unbalancedI AM SECTIONTuning RangeU, C models . . . . . . . . . . . . . . . . . . . . . . . .530 to 1,710kHzA, B, G, L models . . . . . . . . . . . . . . . . . . .531 to 1,611kHzR, T models . .

23、 . . . . . . . . . . . 530 to 1,710/531 to 1,611kHzUsable Sensitivity . . . . . . . . . . . . . . . . . . . . . . . . . . 300V/mAntenna . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Loop antenna5I AUDIO SECTIONMinimum RMS Output Power per ChannelMAIN, 20Hz to 20kHz, 0.06% THD, 8U, C

24、models . . . . . . . . . . . . . . . . . . . . . . . . 100W+100WR, T, A, B, G, L models . . . . . . . . . . . . . . . . . 90W+90WCENTER, 20Hz to 20kHz, 0.06% THD, 8U, C models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100WR, T, A, B, G, L models . . . . . . . . . . . . . . . . . .

25、. . . . 90WREAR, 20Hz to 20kHz, 0.06% THD, 8U, C models . . . . . . . . . . . . . . . . . . . . . . . . 100W+100WR, T, A, B, G, L models . . . . . . . . . . . . . . . . . 90W+90WMinimum RMS Output Power per ChannelMAIN, 1kHz, 8U, C models (0.09% THD) . . . . . . . . . . . . 110W+110WR, T, A, B, G, L

26、 models (0.06% THD) . . . 100W+100WCENTER, 1kHz, 8U, C models (0.09% THD) . . . . . . . . . . . . . . . . . . 110WR, T, A, B, G, L models (0.06% THD) . . . . . . . . . 100WREAR, 1kHz, 8U, C models (0.09% THD) . . . . . . . . . . . . 110W+110WR, T, A, B, G, L models (0.06% THD) . . . 100W+100WMaximum

27、 Power per Channel (R, T models only)MAIN, 1kHz, 10% THD, 8, EIAJ . . . . . . . . . 115W+115WCENTER, 1kHz, 10% THD, 8, EIAJ . . . . . . . . . . . 115WREAR, 1kHz, 10% THD, 8, EIAJ . . . . . . . 115W+115WDynamic Power per ChannelMAIN, 8/6/4/2U, C models . . . . . . . . . . . . . . . . . . . 130/150/19

28、0/240WR, T, A, B, G, L models . . . . . . . . . . 120/140/175/210WDIN Standard Output Power per Channel ( G model only)MAIN, 1kHz, 0.7% THD, 4 . . . . . . . . . . . . 130W+130WCENTER, 1kHz, 0.7% THD, 4 . . . . . . . . . . . . . . . 130WREAR, 1kHz, 0.7% THD, 4 . . . . . . . . . . . . 130W+130WDynamic

29、 Headroom (U, C models only)8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.14dBIEC Power (G model only)MAIN, 1kHz, 0.06% THD, 8 . . . . . . . . . . . 100W+100WDamping FactorMAIN, 20Hz to 20kHz, 8 . . . . . . . . . . . . . . . . 80 or moreInput Sensitivity/ImpedancePHON

30、O MM . . . . . . . . . . . . . . . . . . . . . . . . . . 2.5mV/47kCD, etc . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150mV/47kEXT. DECODERMAIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150mV/47kCENTER . . . . . . . . . . . . . . . . . . . . . . . . . . . 150mV/47kREA

31、R . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150mV/47kSUBWOOFER . . . . . . . . . . . . . . . . . . . . . . 150mV/47kMaximum Input Signal LevelPHONO MM, 1kHz, 0.1% THD (Effect on) . . . . . . 100mVCD, etc, 1kHz, 0.5% THD (Effect on) . . . . . . . . . . . . 2.2VOutput Level/ImpedanceRE

32、C OUT . . . . . . . . . . . . . . . . . . . . . . . . . . . 150mV/1.2kPRE OUT (B, G models only) . . . . . . . . . . . . . 2.1V/1.2kSUBWOOFER (MAIN SP : SMALL) . . . . . . . . . . . .4.0V/1.2kHeadphone Jack Rated Output/ImpedanceCD, etc (1kHz, 150mV, 8) . . . . . . . . . . . . . . . 0.4V/560Frequenc

33、y ResponseCD, etc (10Hz to 100kHz, MAIN L/R) . . . . . . . . +0/-3.0dBRIAA Equalization DeviationPHONO MM (20Hz to 20kHz) . . . . . . . . . . . . . . . 00.5dBTotal Harmonic Distortion (20Hz to 20kHz)PHONO MM to REC OUT (1V) . . . . . . . . . . . . . . . . 0.02%CD, etc, to SP OUT L/R (45W/8) . . . .

34、. . . . . . . . . 0.06%I SPECIFICATIONSSignal-to-Noise Ratio (IHF-A-Network)PHONO MM to REC OUT, Input Shorted 5mVU, C, R, T models . . . . . . . . . . . . . . . . . . . . . . . . . . 86dBA, B, G, L models . . . . . . . . . . . . . . . . . . . . . . . . . . 81dBCD, etc, to SP OUTInput Shorted 250mV

35、(Effect off) . . . . . . . . . . . . . 100dBResidual Noise (IHF-A-Network)MAIN L/R, SP OUT . . . . . . . . . . . . . . . . . . . . . . . . . 150VChannel Separation (Vol. 30dB, Effect off)PHONO MM, Input Shorted, 1kHz/10kHz . . . . 60dB/55dBCD, etc, Input 5.1k Shorted, 1kHz/10kHz . . 60dB/45dBTone Co

36、ntrol CharacteristicsBASS :Boost/cut . . . . . . . . . . . . . . . . . . 10dB (50Hz)Turnover Frequency . . . . . . . . . . . . . . . . 350HzTREBLE : Boost/cut . . . . . . . . . . . . . . . . . .10dB (20kHz)Turnover Frequency . . . . . . . . . . . . . . . 3.5kHzFilter CharacteristicsMAIN, REAR SP SMA

37、LL (H.P.F.) . . fc = 90Hz, 12dB/oct.SUBWOOFER OUT (L.P.F.) . . . . . . fc = 90Hz, 18dB/oct.Bass Extension . . . . . . . . . . . . . . . . . . . . . . . . . .+6dB (60Hz)RX-V620/HTR-5460/RX-V620RDSRX-V620/HTR-5460RX-V620RDS6I GENERALPower SupplyU, C models . . . . . . . . . . . . . . . . . . . . . . .

38、 AC 120V, 60HzA model . . . . . . . . . . . . . . . . . . . . . . . . . . . AC 240V, 50HzB, G, L models . . . . . . . . . . . . . . . . . . . . . AC 230V, 50HzR, T models . . . . . . . . . . . AC 110/120/220/240V, 50/60HzPower ConsumptionU model . . . . . . . . . . . . . . . . . . . . . . . . . . .

39、. . . . . . . . 260WC model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 330VA/260WR, T, A, B, G, L models . . . . . . . . . . . . . . . . . . . . . . 260WStandby Power ConsumptionU, C models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.8WA, B, G, L models . . . . .

40、 . . . . . . . . . . . . . . . . . . . . . . . 0.9WMaximum Power Consumption (R model only) . . . . . 610WAC OutletsU, L, G models, Switched x 2 . . . . . . . . 100W max (Total)R, T models, Switched x 2 . . . . . . . . . . . 50W max (Total)C model, Switched x 2 . . . . . 100W max/1.0A max (Total)A,

41、B models, Switched x 1 . . . . . . . . . . . . . . . . 100W maxDimensions (W x H x D) . . . . . . . . . . . . . 435 x 151 x 390mm(17-1/8” x 5-15/16” x 15-3/8”)Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.5 kg (23 lbs 2oz)FinishRX-V620 . . . . . . . . . . . Black color (U, C, R, T,

42、 A models)Gold color (R, T, L models)RX-V620RDS . . . . . . . . . . . . . . Black color (B, G models)Gold color (G model)Titanium color (G model)HTR-5460 . . . . . . . . . . . . .Black color (U, C, T, A models)Gold color (T models)Accessories . . . . . . . . . . . . . . . . . . . . . AM loop antenna

43、 x 1Indoor FM antenna x 1PAL 75/300 socket x 1(B only)Remote Control Transmitter x 1Battery (size AAA, R03) x 4* Specifications subject to change without notice.U . . . . . . . . . . USA modelC . . . . . .Canadian modelR . . . . . . . General modelT . . . . . . . . . China modelA . . . . . Australia

44、n modelB . . . . . . . . British modelG . . . . . European modelL . . . . . Singapore modelI VIDEO SECTIONVideo Signal TypeU, C models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . NTSCA, B, G, L models . . . . . . . . . . . . . . . . . . . . . . . . . . . . .PALR, T models . . . . .

45、 . . . . . . . . . . . . . . . . . . . . . . NTSC/PALComposite Video Signal Level . . . . . . . . . . . . . . 1Vp-p/75S-Video Signal LevelY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1Vp-p/75C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0.286Vp-p/75C

46、omponent Signal LevelY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1Vp-p/75Cb/Cr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0.7Vp-p/75Video Maximum Input Level . . . . . . . . . . . . . . . . . .1.5Vp-pVideo Signal-to-Noise Ratio . . . . . . . . . . .

47、. . . . . . . . . 50dBMonitor Output Frequency ResponseComposite Video Signal . . . . . . . . . . 5Hz 10MHz, 3dBS-Video Signal . . . . . . . . . . . . . . . . . 5Hz 10MHz, 3dBComponent Signal . . . . . . . . . . . . . . . DC 30MHz, 3dBG DIMENSIONS352.5 (137/8)390 (155/16)16(5/8)435 (171/8)21(13/16)2

48、1.5(13/16)130(51/8)151(515/16)Units : mm (inch)Manufactured under license from Dolby Laboratories.Dolby Digital, AC-3, Pro Logic, and the double-Dsymbol V are trademarks of Dolby Laboratories. 1992-1997 Dolby Laboratories. All rights reserved.Manufactured under license from Digital Theater Systems,I

49、nc. US Pat. No. 5,451,942 and other world-wide patentsissued and pending. DTS, DTS Digital Surround, aretrademarks of Digital Theater Systems, Inc. copyright1996 Digital Theater Systems, inc. All rights reserved.S: S video signalV: Composite video signalO: YESX: NO: NO CARECaution: Superimposing fun

50、ction is not usable for component signals.G SUPERIMPOSINGInput DVD, etc.OutputSuperimposingTerminalSignalMonitor connectionSOOO (On screen)VOXSOXXVOO (On screen)SOOO (On screen)VXXSOXXVXO (Blue back)SXXVOO (On screen)SXO (Blue back)VXO (Blue back)RX-V620/HTR-5460/RX-V620RDSRX-V620/HTR-5460RX-V620RDS