Yamaha-HTR5280-avr-sm 维修电路原理图.pdf
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1、SERVICE MANUALAV RECEIVERRX-V800/RX-V800RDS/HTR-5280100727I CONTENTSTO SERVICE PERSONNEL . 1IMPEDANCE SELECTOR . 1SPECIFICATIONS. 2REMOTE CONTROL TRANSMITTER . 3FRONT PANELS. 4REAR PANELS . 56INTERNAL VIEW . 7DISASSEMBLY PROCEDURES . 8SELF DIAGNOSIS FUNCTION (DIAG) . 923AMP ADJUSTMENT . 23DISPLAY DA
2、TA . 24IC DATA . 2531BLOCK DIAGRAM. 3235PRINTED CIRCUIT BOARD . 3659PIN CONNECTION DIAGRAM . 6061SCHEMATIC DIAGRAM . 6268PARTS LIST. 6987REMOTE CONTROL TRANSMITTER . 8889IMPORTANT NOTICEThis manual has been provided for the use of authorized YAMAHA Retailers and their service personnel.It has been a
3、ssumed 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 perso
4、nalinjury, 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 authorizedYAMAHA Retailer or the appointed service representative.IMPORTANT:The presentation o
5、r 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
6、 cover. The research, engineering, andservice departments of YAMAHA are continually striving to improve YAMAHA products. Modifications are, therefore, inevitableand specifications are subject to change without notice or obligation to retrofit. Should any discrepancy appear to exist, pleasecontact th
7、e distributors 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 disassembl
8、y and part replacement. Recheck all work before you apply power to the unit.RX-V800/RX-V800RDS/HTR-5280P.O.Box 1, Hamamatsu, JapanRadioFans.CN 收音机爱 好者资料库RX-V800/RX-V800RDS/HTR-52801WALLOUTLETEQUIPMENTUNDER TESTAC LEAKAGETESTER OREQUIVALENTINSULATINGTABLEWARNING: CHEMICAL CONTENT NOTICE!The solder us
9、ed in the production of this product contains LEAD. In addition, other electrical/electronic and /or plastic(where applicable) components may also contain traces of chemicals found by the California Health and Welfare Agency(and possibly other entities) to cause cancer and/or birth defects or other
10、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 contact with sol
11、der 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 installed.2
12、. 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 exceed 0.5mA.GBe
13、sure to test for leakage with the AC plug in both polarities.I IMPEDANCE SELECTORTO REDUCE THE RISKOF FIRE OR ELECTRIC SHOCK,DO NOT EXPOSE THIS APPLIANCETO RAIN OR MOISTURE.RISQUE DE CHOCELECTRIQUE NE PAS OUVRIR.WARNINGATTENTIONAC OUTLETSSWITCHEDI20V 60HzI00W MAX. TOTALTHIS DEVICE COMPLIES WITH PART
14、 15 OFTHE FCC RULES. OPERATIONIS SUBJECT TOTHE CONDITION THAT THIS DEVICE DOESNOT CAUSE HARMFUL INTERFERENCE.USCAUTIONRISK OF ELECTRIC SHOCKDO NOT OPENIMPEDANCE SELECTORSET BEFORE POWER ONMAIN A OR BBACENTERREARSPEAKERMIN.4SPEAKERMIN.6SPEAKERMIN.6SPEAKERMIN.8MANUFACTURED UNDER LICENSE FROM DIGITAL T
15、HEATER SYSTEMS, INC. US PAT.NO.5,45I,942 AND OTHER WORLD-WIDE PATENTS ISSUED AND PENDING. DTS,DTS DIGITAL SURROUND, ARE TRADEMARKS OF DIGITALTHEATER SYSTEMS, INC.COPYRIGHT 1998 DIGITAL THEATER SYATEMS, INC, ALL RIGHTS RESERVED.MAIN A OR BBACENTERREARSPEAKERMIN.8SPEAKERMIN.8SPEAKERMIN.8SPEAKERMIN.I6I
16、MPEDANCE SELECTORWARNING:Do not change the IMPEDANCE SELECTOR switch setting while the power to this unit is on, otherwise this unit may be damaged.RadioFans.CN 收音机爱 好者资料库RX-V800/RX-V800RDS/HTR-5280I SPECIFICATIONSI Audio SectionMinimum RMS Output Power (Power Amp. Section)(20 Hz to 20 kHz, 0.04% TH
17、D, 8 ohms)MAIN .100W + 100WCENTER. 100WREAR .100W + 100WMaximum Power (EIAJ)(1 kHz, 10% THD, 8 ohms)MAIN .140W + 140WCENTER. 140WREAR .140W + 140WDynamic Power Per Channel (IHF)MAIN L/R (8/6/4/2 ohms)U model . 135/170/205/245 WC, A, B, G, L, R, T models . 125/160/195/230 WDIN Standard Output Power P
18、er Channel(1 kHz, 0.7% THD, 4 ohms)G model. 140 WDynamic Headroom8 ohmsU model . 1.3 dBC model . 1.0 dBIEC PowerMAIN L/R (1 kHz, 0.04% THD, 8 ohms)G model.105W + 105WDamping FactorMAIN L/R (20 Hz to 20 kHz, 8 ohms) . 80 or moreInput Sensitivity / Input ImpedancePHONO MM . 2.5 mV / 47 k-ohmsCD, etc.
19、. 150 mV / 47 k-ohmsMaximum Input Signal LevelPHONO MM (1 kHz, 0.1% THD) . 100 mVCD, etc. (1 kHz, 0.5% THD, Effect On) . 2.2 VOutput Level / Output ImpedanceREC OUT . 150 mV / 0.9 k-ohmsPRE OUT . 2.57 V / 1.2 k-ohmsSUB WOOFERMAIN SP: Small . 4 V/1.2 k-ohmsHeadphone Jack Rated Output / Impedance1 kHz
20、, 40 mV, 8 ohms . 0.15 V / 100 ohmsFrequency ResponsePower Amp only (5 Hz to 100 kHz) . 0/-3 dBCD, etc. to MAIN SP OUT (10 Hz to 100 kHz). 0/-3 dBRIAA Equalization DeviationPHONO MM (20 Hz to 20 kHz) . 0 0.5 dBTotal Harmonic Distortion(20 Hz to 20 kHz)PHONO MM, to REC OUT (1V) .0.02% or lessCD, etc.
21、 to MAIN SP OUT (50 W / 8 ohms) .0.04% or lessSignal to Noise Ratio (IHF-A network)CD, etc. to MAIN SP OUT (Input shorted, Effect Off)150 mV .96 dB or more200 mV .98 dB or moreResidual Noise (IHF-A netwok)MAIN L/R SP OUT . 150 V or lessChannnel Separation(Vol -30 dB, Effect Off)PHONO (Input Shorted,
22、 1 kHz) .60 dB or morePHONO (Input Shorted, 10 kHz) .55 dB or moreCD, etc. (Input 5.1 k-ohms terminated, 1 kHz) .60 dB or moreCD, etc. (Input 5.1 k-ohms terminated, 10 kHz) .45 dB or moreTone Control CharacteristicsBass:Boost/Cut . 10 dB (50 Hz)Turnover Frequency . 350 HzTreble: Boost/Cut . 10 dB (2
23、0 kHz)Turnover Frequency . 3.5 kHzFilter CharacteristicsMAIN, Rear SP Small (H.P.F.) .90 Hz, 12 dB/oct.SUBWOOFER (L.P.F.) .90 Hz, 18 dB/oct.Bass Extension60 Hz . 6 dBI Video SectionVideo Signal TypeU, C, R, T models . NTSCA, B, G, L, models. PALVideo Sigal Level. 1 Vp-p / 75 ohms2S-Video Sigal Level
24、Y . 1 Vp-p / 75 ohmsC .0.286 Vp-p / 75 ohmsComponent Video Sigal LevelY . 1 Vp-p / 75 ohmsCb / Cr . 0.7 Vp-p / 75 ohmsMaximum Input Level. 1.5 Vp-pSigal to Noise Ratio.50 dB or moreMonitor Out Frequency ResponseS-Video Signal Level .5 Hz to 10 MHz, -3 dBComponent Signal Level. DC to 30 MHz, -3 dBI F
25、M SectionTuning RangeU, C models . 87.5 to 107.9 MHzR, T, A, B, G, L models. 87.5 to 108.0 MHz50 dB Quieting Sensitivity (IHF)(100% Mod)Mono . 2.0 V (17.3 dBf)Stereo . 25 V (39.2 dBf)Usable Sensitivity (IHF)Mono . 1.0 V (11.2 dBf)Selectivityat 400 kHz . 70 dBSignal to Noise Ratio (IHF)Mono / Stereo
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