Yamaha-RXA710-avr-sm(1) 维修电路原理图.pdf
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1、SERVICE MANUALIMPORTANT NOTICEThis manual has been provided for the use of authorized YAMAHA Retailers and their service personnelIt has been assumed that basic service procedures inherent to the industry, and more specifi cally YAMAHA Products, are already known and understood by the users, and hav
2、e therefore not been restatedWARNING: 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 reasons, we advise all YAMAHA product owners
3、 that any service required should be performed by an authorized YAMAHA Retailer or the appointed service representativeIMPORTANT: The presentation or sale of this manual to any individual or fi rm does not constitute authorization, certifi cation or recognition of any applicable technical capabiliti
4、es, or establish a principle-agent relationship of any formThe 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 YAMAHA products Modifications are, therefore,
5、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 DivisionWARNING: Static discharges can destroy expensive components Discharge any static electricity your body may have accum
6、ulated 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 PERSONNEL .2FRONT PANELS .34REAR PANELS .58REMOTE CONT
7、ROL PANELS .9SPECIFICATIONS .1015INTERNAL VIEW .16SERVICE PRECAUTIONS .17DISASSEMBLY PROCEDURES .1823UPDATING FIRMWARE .2425SELF-DIAGNOSTIC FUNCTION .2667CONFIRMATION OF IDLING CURRENT OF AMP UNIT .68DISPLAY DATA .6970IC DATA .7183PIN CONNECTION DIAGRAMS .8486BLOCK DIAGRAMS .8791PRINTED CIRCUIT BOAR
8、DS .92125SCHEMATIC DIAGRAMS .127146REPLACEMENT PARTS LIST .147167REMOTE CONTROL .168170ADVANCED SETUP .171172AV RECEIVER RX-V671/HTR-6064/RX-A710RX-V671/HTR-6064/RX-A710Note: When the DIGITAL P.C.B. or IC83 on DIGITAL P.C.B. is replaced, the network function of this unit will not operate properly wi
9、thout additional setting.In such a case, report the serial number of this unit to the following e-mail address.Yamaha Corporation will reply providing the setting procedure to make the network function of this unit operate properly.E-mail: ycav- RadioFans.CN 收音机爱 好者资料库This product contains chemicals
10、 known to the State of California to cause cancer, or birth defects or other reproductive 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 sol
11、der fumes or expose eyes to solder/flux vapor!If you come in contact with solder 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 hav
12、ing specifications equal to those originally installed.2. Leakage Current Measurement (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
13、shunted by 0.15 F. TO SERVICE PERSONNEL Leakage current must not exceed 0.5mA. 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
14、modelCAUTIONF3702: REPLACE WITH SAME TYPE 8A, 125V FUSE.ATTENTIONF3702: UTILISER UN FUSIBLE DE RECHANGE DE MME TYPE DE 8A, 125V.WALLOUTLETEQUIPMENTUNDER TESTAC LEAKAGETESTER OREQUIVALENTINSULATINGTABLEAll of the P.C.B.s installed in this unit and solder joints are soldered using the lead free solder
15、.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 + 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
16、 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 solder2RX-V671/HTR-6064/RX-A710RX-V671/HTR-6064/RX-A710RadioFans.CN 收音机爱 好者资料库 FRONT PANELSRX-V671 (U model)RX-V671 (C, R, T, A, B, G, F, L, S models)HTR-6064 (A, F m
17、odels)3RX-V671/HTR-6064/RX-A710RX-V671/HTR-6064/RX-A710RX-A710 (A model)RX-A710 (U, C models)4RX-V671/HTR-6064/RX-A710RX-V671/HTR-6064/RX-A710 REAR PANELSRX-V671 (U model)RX-V671 (C model)RX-V671 (R, S models)5RX-V671/HTR-6064/RX-A710RX-V671/HTR-6064/RX-A710RX-V671 (T model)RX-V671 (A model)RX-V671
18、(B, G, F models)6RX-V671/HTR-6064/RX-A710RX-V671/HTR-6064/RX-A710RX-V671 (L model)HTR-6064 (A model)HTR-6064 (B, G, F models)7RX-V671/HTR-6064/RX-A710RX-V671/HTR-6064/RX-A710RX-A710 (U model)RX-A710 (C model)RX-A710 (A model)8RX-V671/HTR-6064/RX-A710RX-V671/HTR-6064/RX-A710 REMOTE CONTROL PANELSRAV4
19、36(U model)RAV437(C model)RAV438(R, T, A, B, G, F, L, S models)9RX-V671/HTR-6064/RX-A710RX-V671/HTR-6064/RX-A710 Audio SectionRated Output Power (Power Amp. Section) 1 channel driven (1 kHz, 0.9 % THD)U, C, R, T, A, B, G, F, L, S models (8 ohms)FRONT L/R .125 W/chCENTER .125 WSURROUND L/R .125 W/chS
20、URROUND BACK L/R .125 W/chB, G, F models (4 ohms)FRONT L/R .150 W/ch 2 channel driven simultaneously (20 Hz to 20 kHz, 0.09 % THD, 8 ohms)FRONT L/R .90 W + 90 W(1 kHz, 0.9 % THD, 8 ohms)FRONT L/R .105 W + 105 WCENTER .105 WSURROUND L/R .105 W + 105 WSURROUND BACK L/R .105 W + 105 WMaximum Effective
21、Output Power (JEITA) R, T, L, S 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,
22、8 ohms)FRONT L/R to SPEAKER-A .100 or moreInput Sensitivity/Input Impedance (1 kHz, 100 W/8 ohms)U, C modelsAV5 etc. . 200 mV / 47 k-ohmsR, T, A, B, G, F, L, S modelsPHONO (MM) . 3.5 mV / 47 k-ohmsAV5 etc. . 200 mV / 47 k-ohmsMaximum Input Signal (1 kHz)U, C models (0.5 % THD)AV5 etc. (EFFECT ON) .2
23、.3 VR, T, A, B, G, F, L, S models (0.1 % THD)PHONO (MM) .60 mV(0.5 % THD)AV5 etc. (EFFECT ON) .2.3 VOutput Level/Output ImpedanceREC OUT . 200 mV / 1.2 k-ohmsSUBWOOFER (2 ch stereo and FRONT SP: small) . 1 V / 1.2 k-ohmsZONE2 OUT . 200 mV / 1.2 k-ohmsHeadphone Jack Rated Output/Output Impedance(1 kH
24、z, 50 mV, 8 ohms)AV5 etc. input . 100 mV / 560 ohmsFrequency Response (10 Hz to 100 kHz)AV5 etc., FRONT .0 / -3 dBRIAA Equalization Deviation R, T, A, B, G, F, L, S modelsPHONO (MM) . 0 0.5 dBTotal Harmonic Distortion (20 Hz to 20 kHz)U, C models (50 W/8 ohms)AV5 etc. (PURE DIRECT) to FRONT SP OUT .
25、2.3 VR, T, A, B, G, F, L, S models (1 V)PHONO (MM) to REC OUT .0.02 % or less(50 W/8 ohms)AV5 etc. (PURE DIRECT) to FRONT SP OUT .2.3 VSignal to Noise Ratio (IHF-A Network)U, C models (Input shorted 250 mV)AV5 etc. (PURE DIRECT) to SP OUT . 100 dB or moreR, T, A, B, G, F, L, S models (Input shorted
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