Yamaha-DSPAX457-avr-sm 维修电路原理图.pdf

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1、SERVICE MANUAL100941IMPORTANT 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 specifically YAMAHA Products, are alreadyknown and understood by the users, an

2、d 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 these reasons,we advise all YAMAHA product own

3、ers that any service required should be performed by an authorizedYAMAHA Retailer or the appointed service representative.IMPORTANT:The presentation or sale of this manual to any individual or firm does not constitute authorization, certification orrecognition of any applicable technical capabilitie

4、s, 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, andservice departments of YAMAHA are continually striving to improve YAMAHA products. Modifications are, therefore,

5、 inevitableand specifications are subject to change without notice or obligation to retrofit. Should any discrepancy appear to exist, pleasecontact the distributors Service Division.WARNING:Static discharges can destroy expensive components. Discharge any static electricity your body may haveaccumul

6、ated 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.I CONTENTSTO SERVICE PERSONNEL . 2FRONT PANELS. 36REAR PANELS . 615SPECIFI

7、CATIONS / 参考仕様 . 1618INTERNAL VIEW . 1819REMOTE CONTROL PANELS. 19DISASSEMBLY PROCEDURES / 分解手順 . 2023SELF DIAGNOSIS FUNCTION (DIAG) /自己診断機能（）. 2444AMP ADJUSTMENT / 部調整 . 45IC DATA . 4651BLOCK DIAGRAM. 5255DISPLAY DATA . 56PRINTED CIRCUIT BOARD . 5779PIN CONNECTION DIAGRAM . 80SCHEMATIC DIAGRAM . 81

8、93PARTS LIST. 95129REMOTE CONTROL. 130131AV RECEIVER/AV AMPLIFIERRX-V557/HTR-5850/DSP-AX557RX-V457/HTR-5840/DSP-AX457RX-V557/HTR-5850/DSP-AX557RX-V457/HTR-5840/DSP-AX457P.O.Box 1, Hamamatsu, Japan 05.02RadioFans.CN 收音机爱 好者资料库Copyright 2005 YAMAHA CORPORATIONThis manual is copyrighted by YAMAHA and m

9、ay not be copied or redistributed either in print or electronically without permission.RX-V557/HTR-5850/DSP-AX557RX-V457/HTR-5840/DSP-AX4572RX-V557/HTR-5850/DSP-AX557RX-V457/HTR-5840/DSP-AX457WALLOUTLETEQUIPMENTUNDER TESTAC LEAKAGETESTER OREQUIVALENTINSULATINGTABLEWARNING: CHEMICAL CONTENT NOTICE!Th

10、e solder used in the production of this product contains LEAD. In addition, other electrical/electronic and/or plastic (whereapplicable) components may also contain traces of chemicals found by the California Health and Welfare Agency (andpossibly other entities) to cause cancer and/or birth defects

11、 or other reproductive harm.DO NOT PLACE SOLDER, ELECTRICAL/ELECTRONIC OR PLASTIC COMPONENTS IN YOUR MOUTH FOR ANY REA-SON WHATSOEVER!Avoid prolonged, unprotected contact between solder and your skin! When soldering, do not inhale solder fumes or exposeeyes to solder/flux vapor!If you come in contac

12、t with solder or components located inside the enclosure of this product, wash your hands beforehandling food.I TO SERVICE PERSONNEL1. Critical Components InformationComponents having special characteristics are marked sand must be replaced with parts having specifications equalto those originally i

13、nstalled.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 ohmsshunted by 0.15F.GLeakage current must not exceed

14、 0.5mA.GBe sure to test for leakage with the AC plug in both polarities.“CAUTION”“F1, 2: FOR CONTINUED PROTECTION AGAINST RISK OF FIRE, REPLACE ONLY WITH SAME TYPE 8A, 125V FUSE.”CAUTIONF1, 2: REPLACE WITH SAME TYPE 8A, 125V FUSE.ATTENTIONF1, 2: UTILISER UN FUSIBLE DE RECHANGE DE MEME TYPE DE 8A, 12

15、5V.本機搭載基板付使用下記通。The P.C.B.s installed in this unit are soldered using thefollowing solder.About Lead Free Solder / 無鉛Component Side / 部品面Foil Side / 面DSP P.C.B.Lead Solder / 鉛入Lead Free Solder / 無鉛FUNCTION P.C.B.Lead Free Solder / 無鉛OPERATION P.C.B.Lead Free Solder / 無鉛MAIN P.C.B.Lead Free Solder /

16、無鉛POWER P.C.B.Lead Free Solder / 無鉛SUBTRANS P.C.B.Lead Free Solder / 無鉛CONVERSION P.C.B.Lead Solder / 鉛入Lead Free Solder / 無鉛VIDEO P.C.B.Lead Free Solder / 無鉛XM P.C.B.Lead Solder / 鉛入Lead Free Solder / 無鉛Side ASide BSMT REFLOW ProcessMI FLOW ProcessSolder DipRadioFans.CN 收音机爱 好者资料库RX-V557/HTR-5850/D

17、SP-AX557RX-V457/HTR-5840/DSP-AX4573RX-V557/HTR-5850/DSP-AX557RX-V457/HTR-5840/DSP-AX457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3040程度高、合使用。 鉛入使得場合、交換部品端子部周辺部無鉛取除、無鉛鉛入十分溶状態付。Among some types of lead free solder currently available,it is recommended to use one of the

18、 following types for therepair work. Sn + Ag + Cu (tin + silver + copper) Sn + Cu (tin + copper) Sn + Zn + Bi (tin + zinc + bismuth)Caution:1. As the melting point temperature of the lead free solder isabout 30C to 40C (50F to 70F) higher than that of the leadsolder, be sure to use a soldering iron

19、suitable to each solder.2. If lead solder must be used, be sure to remove lead free solderfrom each terminal section of the parts to be replaced andfrom the area around it completely before soldering, or makesure that the lead free solder and lead solder melt togetherfully.I FRONT PANELSRX-V557 (U,

20、C models)RX-V557 (R, T, K, A, B, G, E, L models)A, B, G, E modelsRX-V557/HTR-5850/DSP-AX557RX-V457/HTR-5840/DSP-AX4574RX-V557/HTR-5850/DSP-AX557RX-V457/HTR-5840/DSP-AX457HTR-5850 (T, K, A models)DSP-AX557 (J model)HTR-5850 (U, C models)RX-V557/HTR-5850/DSP-AX557RX-V457/HTR-5840/DSP-AX4575RX-V557/HTR

21、-5850/DSP-AX557RX-V457/HTR-5840/DSP-AX457RX-V457 (U, C models)HTR-5840 (U, C models)RX-V457 (R, T, K, A, B, G, E, L models)B, G, E modelsRX-V557/HTR-5850/DSP-AX557RX-V457/HTR-5840/DSP-AX4576RX-V557/HTR-5850/DSP-AX557RX-V457/HTR-5840/DSP-AX457HTR-5840 (T, K, A, B, G, E models)DSP-AX457 (J model)RX-V5

22、57 (U, C models)I REAR PANELSB, G, E modelsRX-V557/HTR-5850/DSP-AX557RX-V457/HTR-5840/DSP-AX4577RX-V557/HTR-5850/DSP-AX557RX-V457/HTR-5840/DSP-AX457RX-V557 (R model)RX-V557 (T model)RX-V557 (K model)RX-V557/HTR-5850/DSP-AX557RX-V457/HTR-5840/DSP-AX4578RX-V557/HTR-5850/DSP-AX557RX-V457/HTR-5840/DSP-A

23、X457RX-V557 (A model)RX-V557 (B model)RX-V557 (G, E models)RX-V557/HTR-5850/DSP-AX557RX-V457/HTR-5840/DSP-AX4579RX-V557/HTR-5850/DSP-AX557RX-V457/HTR-5840/DSP-AX457RX-V557 (L model)HTR-5850 (U, C models)HTR-5850 (T model)RX-V557/HTR-5850/DSP-AX557RX-V457/HTR-5840/DSP-AX45710RX-V557/HTR-5850/DSP-AX55

24、7RX-V457/HTR-5840/DSP-AX457HTR-5850 (K model)HTR-5850 (A model)DSP-AX557 (J model)RX-V557/HTR-5850/DSP-AX557RX-V457/HTR-5840/DSP-AX45711RX-V557/HTR-5850/DSP-AX557RX-V457/HTR-5840/DSP-AX457RX-V457 (U, C models)RX-V457 (R model)RX-V457 (T model)RX-V557/HTR-5850/DSP-AX557RX-V457/HTR-5840/DSP-AX45712RX-

25、V557/HTR-5850/DSP-AX557RX-V457/HTR-5840/DSP-AX457RX-V457 (K model)RX-V457 (A model)RX-V457 (B model)RX-V557/HTR-5850/DSP-AX557RX-V457/HTR-5840/DSP-AX45713RX-V557/HTR-5850/DSP-AX557RX-V457/HTR-5840/DSP-AX457RX-V457 (G, E models)RX-V457 (L model)HTR-5840 (U, C models)RX-V557/HTR-5850/DSP-AX557RX-V457/

26、HTR-5840/DSP-AX45714RX-V557/HTR-5850/DSP-AX557RX-V457/HTR-5840/DSP-AX457HTR-5840 (T model)HTR-5840 (K model)HTR-5840 (A model)RX-V557/HTR-5850/DSP-AX557RX-V457/HTR-5840/DSP-AX45715RX-V557/HTR-5850/DSP-AX557RX-V457/HTR-5840/DSP-AX457HTR-5840 (B model)HTR-5840 (G, E models)DSP-AX457 (J model)RX-V557/H

27、TR-5850/DSP-AX557RX-V457/HTR-5840/DSP-AX45716RX-V557/HTR-5850/DSP-AX557RX-V457/HTR-5840/DSP-AX457I SPECIFICATIONS / 参考仕様I Audio Section / 部Minimum RMS Output Power (Power Amp. Section) / 定格出力 (部)RX-V557(20 Hz to 20 kHz, 0.09% THD, 8 ohms)FRONT L/R.90 W + 90 WCENTER . 90 WSURROUND L/R .90 W + 90 WSUR

28、ROUND BACK . 90 WHTR-5850(1 kHz, 0.7% THD, 8 ohms)FRONT L/R. 105 W + 105 WCENTER . 105 WSURROUND L/R . 105 W + 105 WSURROUND BACK . 105 WDSP-AX557 (J model)(20 Hz to 20 kHz, 0.09% THD, 6 ohms)FRONT L/R.90 W + 90 WCENTER . 90 WSURROUND L/R .90 W + 90 WSURROUND BACK . 90 WRX-V457(20 Hz to 20 kHz, 0.09

29、% THD, 8 ohms)FRONT L/R.85 W + 85 WCENTER . 85 WSURROUND L/R .85 W + 85 WSURROUND BACK . 85 WHTR-5840(1 kHz, 0.7% THD, 8 ohms)FRONT L/R. 100 W + 100 WCENTER . 100 WSURROUND L/R . 100 W + 100 WSURROUND BACK . 100 WDSP-AX457 (J model)(20 Hz to 20 kHz, 0.09% THD, 6 ohms)FRONT L/R.85 W + 85 WCENTER, REA

30、R CENTER. 85 WSURROUND L/R .85 W + 85 WSURROUND BACK . 85 WMaximum Power / 実用最大出力 (EIAJ) (1 kHz, 10% THD)RX-V557/HTR-5850 (R, T, K, L models)FRONT L/R (8 ohms) . 130 W + 130 WCENTER, REAR CENTER (8 ohms) . 130 WSURROUND L/R (8 ohms).130 W + 130 WSURROUND BACK (8 ohms) . 130 WDSP-AX557 (J model)FRONT

31、 L/R (6 ohms) . 130 W + 130 WCENTER, REAR CENTER (6 ohms) . 130 WSURROUND L/R (6 ohms).130 W + 130 WSURROUND BACK (6 ohms) . 130 WRX-V457/HTR-5840 (R, T, K, L models)FRONT L/R (8 ohms) . 125 W + 125 WCENTER, REAR CENTER (8 ohms) . 125 WSURROUND L/R (8 ohms).125 W + 125 WSURROUND BACK (8 ohms) . 125

32、WDSP-AX457 (J model)FRONT L/R (6 ohms) . 125 W + 125 WCENTER, REAR CENTER (6 ohms) . 125 WSURROUND L/R (6 ohms).125 W + 125 WSURROUND BACK (6 ohms) . 125 WDIN Standard Output Power Per Channel / DIN (1 kHz, 0.7%THD, 4 ohms)RX-V557/HTR-5850 (B, G, E models)FRONT L/R. 135 W + 135 WCENTER . 135 WSURROU

33、ND L/R . 135 W + 135 WSURROUND BACK . 135 WRX-V457/HTR-5840 (B, G, E models)FRONT L/R. 130 W + 130 WCENTER . 130 WSURROUND L/R . 130 W + 130 WSURROUND BACK . 130 WIEC Power / IEC (1 kHz, 0.06% THD, 8 ohms)RX-V557/HTR-5850 (B, G, E, L models)FRONT L/R. 100 W + 100 WRX-V457/HTR-5840 (B, G, E, L models

34、)FRONT L/R.95 W + 95 WDynamic Power Per Channel / (IHF) (8/6/4/2ohms)RX-V557/HTR-5850FRONT L/R. 120/155/190/235 WDSP-AX557 (J model)FRONT L/R. /130/160/205 WRX-V457/HTR-5840FRONT L/R. 115/150/185/230 WDSP-AX457 (J model)FRONT L/R. /125/155/200 WDynamic Headroom / (8 ohms)RX-V557/HTR-5850 (U, C model

35、s). 1.25 dBRX-V457/HTR-5840 (U, C models). 1.31 dBDamping Factor / 20 Hz to 20 kHz, SPEAKER-A . 120 or moreInput Sensitivity / Input Impedance (入力感度/入力)CD, etc. 200 mV / 47 k-ohmsMULTI CH INFRONT L/R, CENTER, SURROUND L/R, SUB WOOFER. 200 mV / 47 k-ohmsMaximum Input Signal Level / 最大許容入力 (1 kHz, 0.5

36、% THD)CD, etc. (Effect On) .2.2 V or moreOutput Level / Output Impedance (出力電圧/出力)REC OUT. 200 mV / 1.2 k-ohms20 Hz SUB WOOFER . 4 V / 1.2 k-ohmsRX-V557 (U, C, A, B, G, E models)ZONE2 OUT . 200 mV / 1.2 k-ohmsHeadphone Jack Rated Output / Impedance (出力/出力)CD, etc. (1 kHz, 50 mV, 8 ohms) . 150 mV / 1

37、00 ohmsFrequency Response / 周波数特性CD, etc. to FRONT L/R (10 Hz to 100 kHz) . +0/-3.0 dBTotal Harmonic Distortion / 全高調波歪率(20 Hz to 20 kHz, 40 W, 8 ohms)CD, etc. (Effect Off) to FRONT L/R SP OUT.0.06 % or lessSignal to Noise Ratio / 信号対雑音比 (IHF-A Network)CD, etc. (Input shorted) SP OUT250 mV.100 dB or

38、 moreResidual Noise / 残留 (IHF-A Network)FRONT L/R SP OUT . 150 V or lessChannel Separation / CD, etc. (Input 5.1 k-ohms shorted, 1 kHz/10 kHz)60 dB or more/45 dB or moreTone Control Characteristics / 特性BASSBoost/Cut . 10 dB (60 Hz)TREBLEBoost/Cut . 10 dB (20 kHz)Filter Characteristics / 特性FRONT L/R,

39、 CENTER, SURROUND L/R, SURROUND BACK SPSmall (H.P.F.)fc= 40/60/80/90/100/110/120/160/200 Hz / 12 dB/ oct.SUBWOOFER (L.P.F.)fc= 40/60/80/90/100/110/120/160/200 Hz / 24 dB/ oct.I Video Section / 部Video Signal Type / 信号方式U, C, R, K, J models. NTSCT, A, B, G, E, L models . PALVideo Signal Type (Video Co

40、nversion) / 信号方式（）RX-V557/HTR-5850/DSP-AX557U, C, R, K, A, B, G, E, L, J models . NTSCR, T, A, B, G, E, L models. PALComposite Video Signal Level / 信号1 Vp-p / 75 ohmsS-Video Signal Level / S信号Y. 1 Vp-p / 75 ohmsC .0.286 Vp-p / 75 ohmsComponent Signal Level (U, C, R, T, K, A, B, G, E, L models)Y. 1 V

41、p-p / 75 ohmsCb/Cr . 0.7 Vp-p / 75 ohms17RX-V557/HTR-5850/DSP-AX557RX-V457/HTR-5840/DSP-AX457D4-Video Signal Level / D4端子信号 (J model)Y. 1 Vp-p / 75 ohmsCb/Cr . 0.7 Vp-p / 75 ohmsMaximum Input Level / 最大許容入力 . 1.5 Vp-p or moreSignal to Noise Ratio / 信号対雑音比 .50 dB or moreMonitor Out Frequency Response

42、 / 周波数帯域Composite Video Signal Level,S-Video Signal Level. 5 Hz to 10 MHz, -3 dBD4-Video Signal Level (J model) .5 Hz to 60 MHz, -3 dBRX-V557/HTR-5850/DSP-AX557Component Video Signal Level .5 Hz to 60 MHz, -3 dBRX-V457/HTR-5840/DSP-AX457Component Video Signal Level (U, C, R, T, K, A, B, G, E, L mode

43、ls)5 Hz to 60 MHz, -3 dBI FM Section / FM部Tuning Range / 受信周波数範囲U, C models . 87.5 to 107.9 MHzR, L models . 87.5 to 108.0 / 87.50 to 108.00 MHzT, K, A, B, G, E models . 87.50 to 108.00 MHzJ model . 76.0 to 90.0 MHz50 dB Quieting Sensitivity / 50 dB SN感度 (IHF) (1 kHz, 100% Mod.)Mono / Stereo . 2.0 V

44、 (17.3 dBf) / 25 V (39.2 dBf)Usable Sensitivity / 実用感度 (IHF)Mono . 1.0 V (11.2 dBf)Selectivity / 選択度 (400 kHz). 70 dBSignal to Noise Ratio / 信号対雑音比 (IHF)Mono / Stereo .76 dB / 70 dBHarmonic Distortion / 歪率 (1 kHz)Mono/Stereo . 0.2 / 0.3 %Stereo Separation / 1 kHz. 42 dBFrequency Response / 周波数特性20 H

45、z to 15 kHz .+0.5 / -2 dBAntenna Input / 入力 . 75 ohms unbalancedI 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 / 531 to 1,611 kHzT, K, A, B, G, E, J models . 531 to 1,611 kHzUsable Sensitivity / 実用感度. 300 V/mAntenna / 入力 . Loop AntennaI General / 総合P

46、ower Supply / 電源電圧U, C models .AC 120 V, 60 HzR model .AC 110/120/220/230-240 V, 50/60 HzT model.AC 220 V, 50 HzK model.AC 220 V, 60 HzA model.AC 240 V, 50 HzB, G, E models .AC 230 V, 50 HzL model . AC 220/230-240 V, 50/60 HzJ model . AC 100V, 50/60 HzPower Consumption / 消費電力U, C models . 350 W / 44

47、0 VAR, T, K, A, B, G, E, L models . 360 WJ model . 245 WStandby Power Consumption (reference data) / 待機時消費電力（参考値）AC240 V / 50 Hz. 0.1 WMaximum Power Consumption (R model)6ch Drive, 10% THD . 700 WAC Outlets / AC2 Switched OutletsU, C, T, J models. 100 W max. totalR, G, E, L models . 50 W max. total1

48、 Switched OutletA, B models . 100 W max.Dimensions / 寸法 (W x H x D)RX-V557/DSP-AX557435 x 171 x 420.3 mm (17-1/8 x 6-3/4 x 16-9/16)HTR-5850/RX-V457/HTR-5840/DSP-AX457435 x 161 x 419.3 mm (17-1/8 x 6-5/16 x 16-1/2)Weight / 質量 . 11.0 kg (24 lbs. 4 oz.)Finish / 仕上RX-V557Gold color .R, T, K modelsBlack

49、color . U, C, R, A, B, G, E modelsTitanium color . C, A, B, G, E, L modelsHTR-5850Gold color .T modelBlack color .U, C modelsSilver color.U, C, K, A modelsDSP-AX557Gold color . J modelRX-V457Gold color . R, T, K, L modelsBlack color . U, C, R, A, B, G, E modelsSilver color.R, K, L modelsTitanium col

50、or . C, A, B, G, E modelsHTR-5840Gold color .T modelBlack color . U, C, G, E modelsSilver color.U, C, K, A, B, G, E modelsDSP-AX457Gold color . J modelSilver color. J modelAccessories / 付属品Remote Control x 1, Batteries (Manganese Dry) x 4 (RAV254/RAV255), Batteries x 2 (RAV304), Indoor FM Antenna x