Yamaha-RXV650-avr-sm 维修电路原理图.pdf

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Yamaha-RXV650-avr-sm 维修电路原理图.pdf

SERVICE MANUALThis 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, 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 these reasons,we advise all YAMAHA product owners that any service required should be performed by an authorized YAMAHARetailer 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 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 servicedepartments of YAMAHA are continually striving to improve YAMAHA products. Modifications are, therefore, inevitable andspecifications are subject to change without notice or obligation to retrofit. Should any discrepancy appear to exist, please contact thedistributors Service Division.WARNING:Static discharges can destroy expensive components. Discharge any static electricity your body may haveaccumulated 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.IMPORTANT NOTICE100885SERVICE MANUALRX-V750/DSP-AX750/DSP-AX750SERX-V650/HTR-5760AV RECEIVER/AV AMPLIFIERAMP CHECK / . . . . . . . . . . . . . . . . . . . .47DISPLAY DATA . . . . . . . . . . . . . . . . . . . . . . . . . . 4849IC DATA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5060BLOCK DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . 6162PRINTED CIRCUIT BOARD . . . . . . . . . . . . . . . . 6377PIN CONNECTION DIAGRAM . . . . . . . . . . . . . . . . . 78SCHEMATIC DIAGRAM . . . . . . . . . . . . . . . . . . . 7988PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89125REMOTE CONTROL RAV270, RAV271 . . . . 126127REMOTE CONTROL RAV248, RAV249 . . . . . . . . 128I CONTENTSTO SERVICE PERSONNEL . . . . . . . . . . . . . . . . . . . . 2IMPEDANCE SELECTOR . . . . . . . . . . . . . . . . . . . . . . 3FRONT PANELS . . . . . . . . . . . . . . . . . . . . . . . . . . . 45REMOTE CONTROL PANELS . . . . . . . . . . . . . . . . . . 6REAR PANELS . . . . . . . . . . . . . . . . . . . . . . . . . . . 713SPECIFICATIONS / 参考仕様 . . . . . . . . . . . . . . . . .1418INTERNAL VIEW . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19DISASSEMBLY PROCEDURES / 分解手順 . . . . .2024SELF DIAGNOSIS FUNCTION (DIAG) /自己診断機能（） . . . . . . . . . . . . . . . . . . . . 2546RX-V750/DSP-AX750/DSP-AX750SERX-V650/HTR-5760RadioFans.CN 收音机爱好者资料库RX-V750/DSP-AX750/DSP-AX750SERX-V650/HTR-57602RX-V750/DSP-AX750/DSP-AX750SERX-V650/HTR-5760I TO SERVICE PERSONNEL1. Critical Components InformationComponents having special characteristics are marked Zand must be replaced with parts having specifications equalto those 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 ohm shuntedby 0.15F.AC LEAKAGETESTER OREQUIVALENTEQUIPMENTUNDER TESTINSULATINGTABLEWALLOUTLETGLeakage current must not exceed 0.5mA.GBe sure to test for leakage with the AC plug in bothpolarities.WARNING: CHEMICAL CONTENT NOTICE!The solder used in the production of this product contains LEAD. In addition, other electrical/electronic and/orplastic (where applicable) components may also contain traces of chemicals found by the California Health andWelfare Agency (and possibly other entities) to cause cancer and/or birth defects or other reproductive harm.DO NOT PLACE SOLDER, ELECTRICAL/ELECTRONIC OR PLASTIC COMPONENTS IN YOUR MOUTH FORANY REASON WHATSOEVER!Avoid prolonged, unprotected contact between solder and your skin! When soldering, do not inhale solder fumesor expose eyes to solder/flux vapor!If you come in contact with solder or components located inside the enclosure of this product, wash your handsbefore handling food.About Lead Free Solder / 無鉛The P.C.B.s installed in this unit are soldered using the fol-lowing solder.本機搭載基板付使用下記通。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+）Among some types of lead free solder currently available, itis 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”“F1, F2 : FOR CONTINUED PROTECTION AGAINST RISK OF FIRE, REPLACE ONLY WITH SAME TYPE 10A, 125V FUSE.”CAUTIONF1, F2 : REPLACE WITH SAME TYPE 10A, 125V FUSE.ATTENTIONF1, F2 : UTILISER UN FUSIBLE DE RECHANGE DE MEME TYPE DE 10A, 125V.A VComponent Si de / 部品面Foi l Si de / 面DSP P. C. B.Lead Solder / 鉛入Lead Free Solder / 無鉛FUNCTI ON P. C. B.Lead Free Solder / 無鉛OPERATI ON P. C. B.Lead Free Solder / 無鉛MAI N P. C. B.Lead Free Solder / 無鉛POWER P. C. B.Lead Free Solder / 無鉛SUB TRANS P. C. B.Lead Free Solder / 無鉛CONVERSI ON P. C. B.Lead Solder / 鉛入Lead Free Solder / 無鉛RadioFans.CN 收音机爱好者资料库RX-V750/DSP-AX750/DSP-AX750SERX-V650/HTR-5760RX-V750/DSP-AX750/DSP-AX750SERX-V650/HTR-57603Caution:1. As the melting point temperature of the lead free solder isabout 30C to 40C (50F to 70F) higher than that of thelead solder, be sure to use a soldering iron suitable toeach solder.2. If lead solder must be used, be sure to remove lead-freesolder from each terminal section of the parts to be re-placed and from the area around it completely before sol-dering, or make sure that the lead free solder and leadsolder melt together fully.注意：1. 無鉛融点温度通常鉛入比3040 程度高、合使用。2. 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。I IMPEDANCE SELECTORWARNING:Do not change the setting of the IMPEDANCE SELECTORswitch when the unit power is switched on, as doing so maydamage the unit.IMPEDANCE SELECTOR switchRX-V750/DSP-AX750/DSP-AX750SERX-V650/HTR-57604RX-V750/DSP-AX750/DSP-AX750SERX-V650/HTR-5760M DSP-AX750SE (B model)M RX-V750 (U, C, R, T, K, A, G, L models)I FRONT PANELSM DSP-AX750 (J model)RX-V750/DSP-AX750/DSP-AX750SERX-V650/HTR-5760RX-V750/DSP-AX750/DSP-AX750SERX-V650/HTR-57605M RX-V650 (U, C, R, T, K, A, B, G, L, E models)M HTR-5760 (U, C, T, K, A models)RX-V750/DSP-AX750/DSP-AX750SERX-V650/HTR-57606RX-V750/DSP-AX750/DSP-AX750SERX-V650/HTR-5760I REMOTE CONTROL PANELSTRANSMITRE-NAMEINPUT MODESTANDBYSYSTEMPOWERABPHONOCDMD/CD-RTUNERV-AUXDVDAMPPOWERPOWERRECAUDIOMUTEMENUTITLECHCHVOLDISC SKIPSET MENULEVELA/B/C/D/ETV INPUTTV VOLPRESETTESTON SCREENSTRAIGHTROCKJAZZHALLSTEREO432181070965ENTERMOVIETV THTRMUSICENTERTAINEX/ESNIGHTV/DTSPURE DIRECTEFFECTCHP/INDEXDISPLAYRETURNPRESETTV MUTESELECTTV VOLAVTVSELECTVCR 1DTV/CBLDVR/VCR2MULTI CH INSLEEPCLEARLEARNRAV270WC63290 USTRANSMITRE-NAMEINPUT MODESTANDBYSYSTEMPOWERABPHONOCDMD/CD-RTUNERV-AUXDVDAMPPOWERPOWERRECAUDIOMUTEMENUTITLECHCHVOLDISC SKIPFREQ/RDSEONSTARTSET MENULEVELA/B/C/D/ETV INPUTMODEPTY SEEKTV VOLPRESETTESTON SCREENSTRAIGHTROCKJAZZHALLSTEREO432181070965ENTERMOVIETV THTRMUSICENTERTAINEX/ESNIGHTV/DTSPURE DIRECTEFFECTDISPLAYRETURNPRESETTV MUTESELECTTV VOLAVTVSELECTVCR 1DTV/CBLDVR/VCR2MULTI CH INSLEEPCLEARLEARNRAV271WC63300 EURX-V750 (U, C, R, T, K, A, L models)DSP-AX750 (J model)RX-V750 (G model)DSP-AX750SE (B model)M RAV270M RAV271TRANSMITCODE SETSTANDBYSYSTEMPOWERCDMD/CD-RTUNERV-AUXDVDAMPPOWERPOWERRECAUDIOMUTEMENUTITLEVOLUMEDISC SKIPSET MENULEVELA/B/C/D/ETESTON SCREENSTRAIGHTROCKJAZZHALLSTEREO432181070965ENTERMOVIETV THTRMUSICENTERTAINEX/ESNIGHTV/DTSEFFECTDISPLAYRETURNTV MUTETV INPUTTV VOLTV CHAVTVSELECTVCR 1DVR/VCR2DTV/CBLMULTI CH INSLEEPPRESET/CHRAV248WC55260 USTRANSMITCODE SETSTANDBYSYSTEMPOWERCDMD/CD-RTUNERV-AUXDVDAMPPOWERPOWERRECAUDIOMUTEMENUTITLEVOLUMEDISC SKIPFREQ/RDSEONSTARTSET MENULEVELA/B/C/D/EMODEPTY SEEKTESTON SCREENSTRAIGHTROCKJAZZHALLSTEREO432181070965ENTERMOVIETV THTRMUSICENTERTAINEX/ESNIGHTV/DTSEFFECTDISPLAYRETURNTV MUTETV INPUTTV VOLTV CHAVTVSELECTVCR 1DVR/VCR2DTV/CBLMULTI CH INSLEEPPRESET/CHRAV249WC55270 EURX-V650 (U, C, R, T, K, A, L models)HTR-5760 (U, C, R, T, K, A models)RX-V650 (B, G, E models)M RAV248M RAV249RX-V750/DSP-AX750/DSP-AX750SERX-V650/HTR-5760RX-V750/DSP-AX750/DSP-AX750SERX-V650/HTR-57607I REAR PANELSM RX-V750 (U, C models)M RX-V750 (R model)M RX-V750 (T model)RX-V750/DSP-AX750/DSP-AX750SERX-V650/HTR-57608RX-V750/DSP-AX750/DSP-AX750SERX-V650/HTR-5760M RX-V750 (K model)M RX-V750 (A model)M RX-V750 (G model)RX-V750/DSP-AX750/DSP-AX750SERX-V650/HTR-5760RX-V750/DSP-AX750/DSP-AX750SERX-V650/HTR-57609M RX-V750 (L model)M DSP-AX750 (J model)M DSP-AX750SE (B model)RX-V750/DSP-AX750/DSP-AX750SERX-V650/HTR-576010RX-V750/DSP-AX750/DSP-AX750SERX-V650/HTR-5760M RX-V650 (U, C models)M RX-V650 (R model)M RX-V650 (T model)RX-V750/DSP-AX750/DSP-AX750SERX-V650/HTR-5760RX-V750/DSP-AX750/DSP-AX750SERX-V650/HTR-576011M RX-V650 (K model)M RX-V650 (A model)M RX-V650 (B model)RX-V750/DSP-AX750/DSP-AX750SERX-V650/HTR-576012RX-V750/DSP-AX750/DSP-AX750SERX-V650/HTR-5760M RX-V650 (G, E models)M RX-V650 (L model)M HTR-5760 (U, C models)RX-V750/DSP-AX750/DSP-AX750SERX-V650/HTR-5760RX-V750/DSP-AX750/DSP-AX750SERX-V650/HTR-576013M HTR-5760 (T model)M HTR-5760 (K model)M HTR-5760 (A model)RX-V750/DSP-AX750/DSP-AX750SERX-V650/HTR-576014RX-V750/DSP-AX750/DSP-AX750SERX-V650/HTR-5760I SPECIFICATIONS / 参考仕様AUDIO SECTION / 部Minimum RMS Output Power (Power Amp. Section) / 定格出力RX-V750/DSP-AX750/DSP-AX750SE(20 Hz to 20 kHz)FRONT L/RU, C, R, T, K, A, B, G, L models (0.06% THD, 8 ohms) . . .100 W + 100 WJ model (0.09% THD, 6 ohms) . . . . . . . . . . . .100 W + 100 WCENTERU, C, R, T, K, A, B, G, L models (0.06% THD, 8 ohms) . . . . . . . . .100 WJ model (0.09% THD, 6 ohms) . . . . . . . . . . . . . . . . . . .100 WSURROUND L/RU, C, R, T, K, A, B, G, L models (0.06% THD, 8 ohms) . . .100 W + 100 WJ model (0.09% THD, 6 ohms) . . . . . . . . . . . .100 W + 100 WSURROUND BACK L/RU, C, R, T, K, A, B, G, L models (0.06% THD, 8 ohms) . . .100 W + 100 WJ model (0.09% THD, 6 ohms) . . . . . . . . . . . .100 W + 100 W(1 kHz)FRONT L/RU, C, R, T, K, A, B, G, L models (0.7% THD, 8 ohms) . . . .115 W + 115 WCENTERU, C, R, T, K, A, B, G, L models (0.7% THD, 8 ohms) . . . . . . . . . .115 WSURROUND L/RU, C, R, T, K, A, B, G, L models (0.7% THD, 8 ohms) . . . .115 W + 115 WSURROUND BACK L/RU, C, R, T, K, A, B, G, L models (0.7% THD, 8 ohms) . . . .115 W + 115 WRX-V650/HTR-5760(20 Hz to 20 kHz)FRONT L/RU, C, R, T, K, A, B, G, L, E models (0.06% THD, 8 ohms) . . .95 W + 95 WCENTERU, C, R, T, K, A, B, G, L, E models (0.06% THD, 8 ohms) . . . . . . . .95 WSURROUND L/RU, C, R, T, K, A, B, G, L, E models (0.06% THD, 8 ohms) . . .95 W + 95 WSURROUND BACK L/RU, C, R, T, K, A, B, G, L, E models (0.06% THD, 8 ohms) . . .95 W + 95 W(1 kHz)FRONT L/RU, C, R, T, K, A, B, G, L, E models (0.7% THD, 8 ohms) . .110 W + 110 WCENTERU, C, R, T, K, A, B, G, L, E models (0.7% THD, 8 ohms) . . . . . . . .110 WSURROUND L/RU, C, R, T, K, A, B, G, L, E models (0.7% THD, 8 ohms) . .110 W + 110 WSURROUND BACK L/RU, C, R, T, K, A, B, G, L, E models (0.7% THD, 8 ohms) . .110 W + 110 WMaximum Power (EIAJ) / 実用最大出力RX-V750/DSP-AX750/DSP-AX750SEFRONT L/R (1 kHz, 10 % THD)R, T, K models (8 ohms) . . . . . . . . . . . . . . . . . . . . . . . .140 WJ model (6 ohms) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .140 WCENTER (1 kHz, 10 % THD)R, T, K models (8 ohms) . . . . . . . . . . . . . . . . . . . . . . . .140 WJ model (6 ohms) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .140 WSURROUND L/R (1 kHz, 10 % THD)R, T, K models (8 ohms) . . . . . . . . . . . . . . . . . . . . . . . .140 WJ model (6 ohms) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .140 WSURROUND BACK L/R (1 kHz, 10 % THD)R, T, K models (8 ohms) . . . . . . . . . . . . . . . . . . . . . . . .140 WJ model (6 ohms) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .140 WRX-V650/HTR-5760FRONT L/R (1 kHz, 10 % THD)R, T, K models (8 ohms) . . . . . . . . . . . . . . . . . . . . . . . .135 WCENTER (1 kHz, 10 % THD)R, T, K models (8 ohms) . . . . . . . . . . . . . . . . . . . . . . . .135 WSURROUND L/R (1 kHz, 10 % THD)R, T, K models (8 ohms) . . . . . . . . . . . . . . . . . . . . . . . .135 WSURROUND BACK L/R (1 kHz, 10 % THD)R, T, K models (8 ohms) . . . . . . . . . . . . . . . . . . . . . . . .135 WDIN Standard Output Power Per Channel (B, G, L, E models)RX-V750/DSP-AX750/DSP-AX750SE(1 kHz, 0.7 % THD, 4 ohms)FRONT L/R . . . . . . . . . . . . . . . . . . . . . . . . . . . .150 W + 150 WCENTER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .150 WSURROUND L/R . . . . . . . . . . . . . . . . . . . . . . . .150 W + 150 WSURROUND BACK L/R . . . . . . . . . . . . . . . . . . .150 W + 150 WRX-V650/HTR-5760(1 kHz, 0.7 % THD, 4 ohms)FRONT L/R . . . . . . . . . . . . . . . . . . . . . . . . . . . .145 W + 145 WCENTER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .145 WSURROUND L/R . . . . . . . . . . . . . . . . . . . . . . . .145 W + 145 WSURROUND BACK L/R . . . . . . . . . . . . . . . . . . .145 W + 145 WIEC Power (B, G, L, E models)RX-V750/DSP-AX750/DSP-AX750SEFRONT L/R, 1 kHz, 0.06% THD, 8 ohms . . . . . .110 W + 110 WRX-V650/HTR-5760FRONT L/R, 1 kHz, 0.06% THD, 8 ohms . . . . . .105 W + 105 WDynamic Power Per Channel (IHF) / RX-V750/DSP-AX750/DSP-AX750SEFRONT L/RU, C, R, T, K, A, B, G, L models (8/6/4/2 ohms) . . .135/170/200/245 WJ model (6/4/2 ohms) . . . . . . . . . . . . . . . . . . .140/170/215 WRX-V650/DSP-AX750/DSP-AX750SEU, C, R, T, K, A, B, G, L, E models (8/6/4/2 ohms) . . .130/165/195/240 WDynamic Headroom (U, C models)RX-V750/DSP-AX750/DSP-AX750SE8 ohms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1.30 dBRX-V650/HTR-57608 ohms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1.36 dBDamping Factor / FRONT L/R, 20 Hz to 20 kHz, 8 ohms . . . . . . . . . .100 or moreInput Sensitivity/Impedance / 入力感度/ (1 kHz, 100W/8 ohms)PHONO MM RX-V750/DSP-AX750/DSP-AX750SE . . .2.5 mV/47 k-ohmsCD, etc. . . . . . . . . . . . . . . . . . . . . . . . . . . . .200 mV/47 k-ohmsEXT. DECODERFRONT L/R . . . . . . . . . . . . . . . . . . . . . . . .200 mV/47 k-ohmsCENTER . . . . . . . . . . . . . . . . . . . . . . . . . .200 mV/47 k-ohmsSURROUND L/R . . . . . . . . . . . . . . . . . . .200 mV/47 k-ohmsSURROUND BACK L/R . . . . . . . . . . . . . .200 mV/47 k-ohmsSUBWOOFER . . . . . . . . . . . . . . . . . . . . .200 mV/47 k-ohmsMaximum Input Signal / 最大許容入力PHONO MM RX-V750/DSP-AX750/DSP-AX750SE1kHz, 0.1 % THD . . . . . . . . . . . . . . . . . . . . .

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