Yamaha-DSPAX2500-avr-sm 维修电路原理图.pdf

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1、SERVICE MANUAL100922IMPORTANT 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.P.O.Box 1, Hamamatsu, JapanI CONTENTSTO SERVICE PERSONNEL . 2FRONT PANELS.

7、 34REAR PANELS . 47REMOTE CONTROL. 7SPECIFICATIONS / 参考仕様 . 810INTERNAL VIEW . 11DISASSEMBLY PROCEDURES / 分解手順. 1215UPDATING FIRMWARE /書込. 1617SELF DIAGNOSIS FUNCTION (DIAG) /自己診断機能（）. 1842AMP ADJUSTMENT / 部調整 . 43DISPLAY DATA . 44IC DATA . 4548BLOCK DIAGRAM. 4950PIN CONNECTION DIAGRAM . 51PRINTED C

8、IRCUIT BOARD . 5269SCHEMATIC DIAGRAM . 7181PARTS LIST. 83119REMOTE CONTROL. 120AV RECEIVER/AV AMPLIFIERRX-V2500/DSP-AX2500RX-V2500/DSP-AX2500 04.11RadioFans.CN 收音机爱 好者资料库RX-V2500/DSP-AX25002RX-V2500/DSP-AX2500WALLOUTLETEQUIPMENTUNDER TESTAC LEAKAGETESTER OREQUIVALENTINSULATINGTABLEWARNING: CHEMICAL

9、CONTENT NOTICE!The 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

10、/or birth defects 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 y

11、ou come in contact 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 t

12、hose originally 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 ohmsshunted by 0.15F.“CAUTION”“F2: F

13、OR CONTINUED PROTECTION AGAINST RISK OF FIRE, REPLACE ONLY WITH SAME TYPE 10A,125V FUSE.”CAUTIONF2: REPLACE WITH SAME TYPE 10A, 125V FUSE.ATTENTIONF2: UTILISER UN FUSIBLE DE RECHANGE DE MEME TYPE DE 10A, 125V.GLeakage current must not exceed 0.5mA.GBe sure to test for leakage with the AC plug in bot

14、h polarities.About lead-free solder / 無鉛The P.C.B.s installed in this unit are soldered using thefollowing solder.本機搭載基板付使用下記通。Side ASide BSMT REFLOW ProcessMI FLOW ProcessSolder Dip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

15、態付。Among some types of lead free solder currently available,it is recommended to use one of the 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 solderis abo

16、ut 30C to 40C (50F to 70F) higher than that ofthe lead solder, be sure to use a soldering iron suitableto each solder.2. If lead solder must be used, be sure to remove lead freesolder from each terminal section of the parts to bereplaced and from the area around it completely beforesoldering, or mak

17、e sure that the lead-free solder andlead solder melt together fully.DSP P.C.B.FUNCTION P.C.B.OPERATION P.C.B.MAIN P.C.B.POWER PC.B.INPUT P.C.B.CONTROL P.C.B.Side A / A 面Lead Solder / 鉛入Lead Solder / 鉛入Lead Solder / 鉛入Lead Solder / 鉛入Side B / B 面Lead Free Solder / 無鉛Lead Free Solder / 無鉛Lead Free Sol

18、der / 無鉛Lead Free Solder / 無鉛Lead Free Solder / 無鉛Lead Free Solder / 無鉛Lead Free Solder / 無鉛RadioFans.CN 收音机爱 好者资料库RX-V2500/DSP-AX25003RX-V2500/DSP-AX2500I FRONT PANELSRX-V2500 (U, C, A models)RX-V2500 (R, T, K, L models)RX-V2500 (B, G models)RX-V2500/DSP-AX25004RX-V2500/DSP-AX2500 REAR PANELSRX-V25

19、00 (U, C models)DSP-AX2500 (J model)RX-V2500 (R model)RX-V2500/DSP-AX25005RX-V2500/DSP-AX2500RX-V2500 (K model)RX-V2500 (A model)RX-V2500 (T model)RX-V2500/DSP-AX25006RX-V2500/DSP-AX2500RX-V2500 (B model)RX-V2500 (G model)RX-V2500 (L model)RX-V2500/DSP-AX25007RX-V2500/DSP-AX2500DSP-AX2500 (J model)I

20、 REMOTE CONTROLRX-V2500 (U, C, R, T, K, A, L models)DSP-AX2500 (J model)RX-V2500 (B, G models)RX-V2500/DSP-AX25008RX-V2500/DSP-AX2500I SPECIFICATIONS / 参考仕様I Audio Section / 部Minimum RMS Output Power (Power Amp. Section) / 定格出力 (部) (20 Hz to 20 kHz)FRONT L/RU, C, R, T, K, A, B, G, L models (0.04% TH

21、D, 8 ohms).130W + 130WJ model (0.06% THD, 6 ohms) .130W + 130WCENTERU, C, R, T, K, A, B, G, L models (0.04% THD, 8 ohms).130WJ model (0.06% THD, 6 ohms) . 130WSURROUND L/RU, C, R, T, K, A, B, G, L models (0.04% THD, 8 ohms).130W + 130WJ model (0.06% THD, 6 ohms) .130W + 130WSURROUND BACK L/RU, C, R,

22、 T, K, A, B, G, L models (0.04% THD, 8 ohms).130W + 130WJ model (0.06% THD, 6 ohms) .130W + 130WMaximum Power / 実用最大出力 (EIAJ, 1kHz, 10% THD)FRONT L/RR, T, K, L models (8 ohms).180W + 180WJ model (6 ohms) .180W + 180WCENTERR, T, K, L models (8 ohms). 180WJ model (6 ohms) . 180WSURROUND L/RR, T, K, L

23、models (8 ohms).180W + 180WJ model (6 ohms) .180W + 180WSURROUND BACK L/RR, T, K, L models (8 ohms).180W + 180WJ model (6 ohms) .180W + 180WDynamic Power Per Channel / (IHF)U, C, R, T, K, A, L models (8/6/4/2 ohms) . 165/205/260/340WDIN Standard Output Power Per Channel / DIN B, G models(1 kHz, 0.7%

24、 THD, 4 ohms)FRONT L/R .190W + 190WCENTER. 190WSURROUND L/R .190W + 190WSURROUND BACK L/R .190W + 190WDynamic Headroom / U, C, R, T, K, A, L models (8 ohms). 1.03dBIEC Power / IEC B, G models (1 kHz, 0.04% THD, 8 ohms)FRONT L/R .140W + 140WDamping Factor / 20 Hz to 20 kHz, SPEAKER-A, 8 ohms . 140 or

25、 moreInput Sensitivity / Input Impedance (入力感度/入力)PHONO (MM). 3.5 mV / 47 k-ohmsCD, etc. . 200 mV / 47 k-ohmsMULTI CH INPUTFRONT L/R, CENTER, SURROUND L/R, SUB WOOFER. 200 mV / 47 k-ohmsMaximum Input Signal Level / 最大許容入力PHONO (MM) (1 kHz, 0.1% THD).100mV or moreCD, etc. (1 kHz, 0.5% THD) .2.4V or m

26、oreOutput Level / Output Impedance (出力電圧/出力)REC OUT . 200 mV / 1.2 k-ohmsPRE OUT (FRONT L/R, CENTER, SURROUND L/R,SURROUND BACK L/R). 1.0 V / 500 ohmsSUB WOOFER. 2.0 V / 500 ohms U, C, A, B, G modelsZONE 2 OUT. 1.0 V / 1.2 k-ohmsZONE 3 OUT. 1.0 V / 1.2 k-ohmsHeadphone Jack Rated Output / Impedance (

27、出力/出力)CD, etc. (1 kHz, 40 mV, 8 ohms). 150 mV / 100 ohmsFrequency Response / 周波数特性CD, etc. to FRONT L/R (10 Hz to 100 kHz) . +0/-3.0dBRIAA Equalization Deviation / RIAA偏差20 Hz to 20 kHz, PHONO (MM) . 00.5dBTotal Harmonic Distortion / 全高調波歪率 (20Hz to 20kHz)PHONO (MM) to REC OUT (1V) .0.02% or lessCD,

28、 etc. (STEREO) to FRONT L/R SP OUT (65W, 8 ohms) .0.04% or lessSignal to Noise Ratio / 信号対雑音比 (IHF-A network)PHONO (MM) (Input shorted) to SP OUT U, C, R, T, K, L models (5mV).86dB or more A, B, G models (5mV) .81dB or more J model (2.5mV).80dB or moreCD, etc. (Input shorted, STEREO) to SP OUT 200mV

29、 .98dB or more 250mV .100dB or moreResidual Noise / 残留 (IHF-A network)FRONT L/R SP OUT. 150V or lessChannel Separation / (STEREO)PHONO (Input shorted, 1 kHz/10 kHz) . 60dB or more/55dB or moreCD, etc. (Input 5.1 k-ohms shorted, 1 kHz/10 kHz) . 60dB or more/45dB or moreTone Control Characteristics /

30、特性BASSBoost/Cut . 6dB (50Hz)Turnover Frequency . 350HzTREBLEBoost/Cut . 6dB (20kHz)Turnover Frequency . 3.5kHzFilter Characteristics / 特性FRONT, CENTER, SURROUND, SURROUND BACK SP Small(H.P.F.) . fc=40/60/80/90/100/110/120/160/200Hz / 12dB oct.SUBWOOFER (L.P.F.) . fc=40/60/80/90/100/110/120/160/200Hz

31、 /24dB oct.I Video Section / 部Video Signal Type / 信号方式Wall Paper U, C, R, K, J models . NTSC T, A, B, G, L models . PALVideo Conversion U, C, R, T, K, A, B, G, L, J models . NTSC R, T, A, B, G, L models. PALComposite Video Signal Level / 信号. 1 Vp-p / 75 ohmsS-Video Signal Level / S信号Y . 1 Vp-p / 75

32、ohmsC .0.286 Vp-p / 75 ohmsComponent Video Signal Level / 信号Y . 1 Vp-p / 75 ohmsPb/Pr . 0.7 Vp-p / 75 ohmsVideo Maximum Input Level / 最大許容入力. 1.5 Vp-p or moreVideo Signal to Noise Ratio / 信号対雑音比.60 dB or moreMonitor Out Frequency Response / 周波数帯域Composite Video Signal, S-Video Signal . 5 Hz to 10 MH

33、z, -3 dBComponent Video Signal, D4-Video Signal (J model). 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 models . 87.50 to 108.00 MHzJ model . 76.0 to 90.0 MHz50dB Quieting Sensitivity / 50dB

34、 SN感度 (IHF)(1kHz, 100% MOD.)Mono . 2.0 V (17.3 dBf)Stereo . 25 V (39.2 dBf)Usable Sensitivity / 実用感度 (IHF)Mono . 1.0 V (11.2 dBf)Selectivity / 選択度at 400 kHz . 70 dBSignal to Noise Ratio / 信号対雑音比 (IHF)Mono / Stereo .76 dB / 70 dBRX-V2500/DSP-AX25009Main Menu Sub MenuParameterSetting value ( Initial v

35、alue) / 設定値 （ 初期値）THXCinemaDecode TypePro LogicPro Logic IIPro Logic II xNeo : 6SURROUNDStandardDecode TypePro LogicPL II MoviePL II MusicPL II GamePL II x MoviePL II x MusicPL II x GameNeo : 6 CinemaNeo : 6 MusicPanarameOFF / ONDimension-3 / +3 / 1 STDCenter Width0 / 7 / 1 3Center Image0.0 / 1.0 /

36、0.1 0.3InitializeNO / YESParameterDecode TypeDSP LevelSur. Init. DeleySur. Room SizeSur. LivenessSB Init. DeleySB Room SizeSB Liveness Dialogue LiftInitialize-6 / +3 / 1 dB 1 / 49 / 1 ms 0.1 / 2.0 / 0.11 / 5 / 11 / 49 / 1 ms 0.1 / 2.0 / 0.11 / 5 / 10 / 5 / 1NO / YESEnhancedPro Logic0201.03(15)(1.0)(

37、5)(0)NOPro Logic II0191.03(15)(1.0)(5)(0)NOPro Logic II x0191.03151.05(0)NONeo 60191.03151.05(0)NOSTRAIGHT171 (6-3/4)150 (5-7/8)393 (15-1/2)21 (13/16)18.5 (3/4)22(7/8)433.5 (17-1/16)435 (17-1/8)Unit : mm (inch)単位: mm（）Harmonic Distortion / 歪率(1 kHz)Mono/Stereo. 0.2 / 0.3 %Stereo Separation / 1 kHz .

38、 42 dBFrequency Response / 周波数特性20 Hz 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, J models . 531 to 1,611 kHzUsable Sensitivity / 実用感度. 300 V/mAntenna /

39、入力. Loop AntennaI General / 総合Power 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 models .AC 230 V, 50 HzL model. AC 220/230-240 V, 50/60 HzJ model . AC 100V, 50/60 HzPower Consumption

40、/ 消費電力U, C models . 500 W / 630 VAR, T, K, A, B, G, L models . 500 WJ model . 400 WStandby Power Consumption (reference data) / 待機時消費電力(参考値)U, C, J models . 0.2 W or lessR model (AC 240, 50 Hz). 0.33 W or lessT, K, A, B, G, L models . 0.15 W or lessMaximum Power Consumption / 最大消費電力(6ch Drive, 10% T

41、HD)R model . 1100 WAC Outlets / AC2 switched outlets U, C models .100 W max. total / 0.8A max. total R, L models . 50 W max. total T, G, J models. 100 W max. total1 switched outlet A, B models. 100W max. totalDimensions / 寸法 (W x H x D). 435 x 171 x 433.5 mm (17-1/8 x 6-3/4 x 17-1/16)Weight / 質量RX-V

42、2500. 15.5 kg (34 lbs. 3 oz.)DSP-AX2500 . 17.8 kg (39 lbs. 4 oz.)Finish / 仕上Gold color . R, T, K, L, J modelsBlack color. U, C, R, A, J modelsTitanium color . B, G, L modelsAccessories / 付属品Remote Control, Batteries, Power Cable, Indoor FM Antenna, AMLoop Antenna, Optimizer Microphone, Speaker Termi

43、nal Wrench,Antenna Adapter PAL (B model)* Specifications are subject to change without notice due to productimprovements. 参考仕様外観予告変更。U . U.S.A. modelC . Canadian modelR . General modelT. Chinese modelK . Korean modelA . Australian modelB . British modelG . European modelL. Singapore modelJ . Japanes

44、e modelManufactured under license from Dolby Laboratories.“Dolby”, “Pro Logic”, “Surround EX”, and the double-D symbol aretrademarks of Dolby Laboratories.実施権基製造。、PRO LOGIC、Surround EXD記号、商標。SILENT CINEMA is a trademark of YAMAHA CORPORATION./SILENT CINEMA 株式会社登録商標。“DTS”, “DTS-ES”, “Neo:6” and “DTS

45、96/24” are trademarks ofDigital Theater Systems, Inc.DTS、DTS-ES Extended Surround、Neo:6DTS 96/24登録商標。AAC商標。THX and the THX logo are registered trademarks of THX Ltd.Surround EX is a jointly developed technology of THX and DolbyLaboratories, Inc. and is a trademark of Dolby Laboratories, Inc.All righ

46、ts reserved. Used under authorization.THXTHXTHX登録商標。EXTHX共同開発技術、商標。不許複製。許可使用。 DIMENSIONS / 寸法図 SOUND/SURROUND SELECT MENUSound Serect Min./Max./Step 最小/最大/StepSurround Serect Min./Max./Step 最小/最大/StepMain Menu ParameterCenter LevelSurround L Level Surround R LevelSur. Back LevelPresence L Level Pres

47、ence R LevelInitialize0 / 100 / 1 % 0 / 100 / 1 % 0 / 100 / 1 % 0 / 100 / 1 % 0 / 100 / 1 % 0 / 100 / 1 %NO / YESSTEREO2ch Stereo-NO7ch Stereo10010010035(33)(33)NODecode TypeDSP LevelInit. Deley Room SsizeLivenessSur. Init. DeleySur. Room SizeSB Init. DeleySB Room SizeRev. TimeRev. Deley Rev. LevelD

48、ialogue LiftInitialize-6 / +3 / 1 dB 1 / 99 / 1 ms 0.1 / 2.0 / 0.10 / 10 / 11 / 49 / 1 ms 0.1 / 2.0 / 0.1 1 / 49 / 1 ms 0.1 / 2.0 / 0.11.0 / 5.0 /0.1 ms0 / 250 / 1 ms0 / 100 / 1 %0 / 5 / 1NO / YESMUSICMunich0301.05-(0)NOVienna0301.05-(0)NOFreiburg0951.03-4.013070(0)NOThe Bottom Line0301.05-(0)NOThe

49、Roxy Theater0151.05-1.61209(0)NOPop/Rock211.0-(0)NOClassical/Opera0281.0-(0)NOENTERTAINMENTTV Sports0101.0-301.0(15)(1.0)1.61004(0)NOMono Moive0691.03-(1.0)2.51602(0)NOGame0361.0-151.0(15)(1.0)-(0)NODisco026-5-2.71204(0)NOMOVIE THEATERSpectaclePro Logic0131.0-231.0(15)(1.0)-(0)NOPro Logic II0131.0-3

50、21.0(15)(1.0)-(0)NOPro Logic II x0131.0-321.0151.0-(0)NONeo : 60131.0-321.0151.0-(0)NOSci-FiPro Logic0161.0-201.0(15)(1.0)-(0)NOPro Logic II0161.0-21.0(15)(1.0)-(0)NOPro Logic II x0161.0-21.0151.0-(0)NONeo : 60161.0-21.0151.0-(0)NOAdventurePro Logic0151.0-201.0(15)(1.0)-(0)NOPro Logic II0151.0-301.0