Yamaha-HTR5440RDS-rec-sm 维修电路原理图.pdf
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1、SERVICE MANUALAV RECEIVERRX-V420/RX-V420RDS/HTR-5440/HTR-5440RDS100754IMPORTANT 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
2、, 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.
3、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 or sale of this manual to any individual or firm does not constitute authorization, certification orr
4、ecognition 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, andservice departments of YAMAHA are continually striving to impr
5、ove YAMAHA products. Modifications are, therefore, 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. Discharg
6、e 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.P.O.Box 1, Hamamatsu, Ja
7、panI CONTENTSTO SERVICE PERSONNEL . 1IMPEDANCE SELECTOR . 1FRONT PANELS. 23REMOTE CONTROL TRANSMITTER . 3REAR PANELS . 45SPECIFICATIONS. 6INTERNAL VIEW . 7DISASSEMBLY PROCEDURES . 8SELF DIAGNOSIS FUNCTION (DIAG) . 924AMP ADJUSTMENTS. 24DISPLAY DATA . 2526IC DATA . 2732BLOCK DIAGRAM. 3336PRINTED CIRC
8、UIT BOARD . 3752IC BLOCK DIAGRAM . 5354SCHEMATIC DIAGRAM . 5558PARTS LIST . 5972REMOTE CONTROL TRANSMITTER . 7376SURROUNDD I G I TA LSILENTVIDEO AUXPHONESVIDEOL AUDIO R6CH INPUTINPUT MODEINPUTVOLUMERDS MODE/FREQEONPTY SEEKMODESTARTTUNINGMODEPRESET/TUNINGFM/AMMEMORYEDITBASSBALANCESPEAKERSPROGRAMPRESE
9、T/TUNINGEFFECTA/B/C/D/EABOFFONSTANDBY/OND I G I T A L+LRTREBLE+MANL/AUTO FMAUTO/MANL MONORX-V420RDSRX-V420/RX-V420RDS/HTR-5440/HTR-5440RDSRadioFans.CN 收音机爱 好者资料库RX-V420/RX-V420RDS/HTR-5440/HTR-5440RDSRX-V420/RX-V420RDS/HTR-5440/HTR-5440RDS435 (17-1/8)Unit : mm (inch)151 (5-15/16)130 (5-1/8)352.5 (13
10、-7/8)21(13/16)16(5/8)21.3 (13/16)389.8 (15-3/8)1WALLOUTLETEQUIPMENTUNDER TESTAC LEAKAGETESTER OREQUIVALENTINSULATINGTABLEWARNING: CHEMICAL CONTENT NOTICE!The solder used in the production of this product contains LEAD. In addition, other electrical/electronic and /or plastic(where applicable) compon
11、ents 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 reproductive harm.DO NOT PLACE SOLDER, ELECTRICAL/ELECTRONIC OR PLASTIC COMPONENTS IN YOUR MOUTH FOR ANY REA-SON WHATSOEVER!Avoid pro
12、longed, 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 solder or components located inside the enclosure of this product, wash your hands beforehandling food.I TO SERVICE PERSONNEL1. Critical
13、 Components InformationComponents having special characteristics are marked sand 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 condu
14、ctive 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 sure to test for leakage with the AC plug in both polarities.I IMPEDANCE SELECTORIMPEDANCE SELECTORWARNING:Do not change the IMPEDANC
15、E SELECTOR switch setting while the power to this unit is on, otherwise this unit may be damaged. DIMENSIONSRadioFans.CN 收音机爱 好者资料库RX-V420/RX-V420RDS/HTR-5440/HTR-5440RDSRX-V420/RX-V420RDS/HTR-5440/HTR-5440RDS2I FRONT PANELSRX-V420 (U, C, A, R, T models)SURROUNDD I G I TA LSILENTVIDEO AUXPHONESVIDEO
16、L AUDIO R6CH INPUTINPUT MODEINPUTVOLUMETUNINGMODEPRESET/TUNINGFM/AMMEMORYEDITBASSBALANCESPEAKERSPROGRAMPRESET/TUNINGEFFECTA/B/C/D/EABOFFONSTANDBY/OND I G I T A L+LRTREBLE+MANL/AUTO FMAUTO/MANL MONORX-V420RX-V420RDS (B, G models)SURROUNDD I G I TA LSILENTVIDEO AUXPHONESVIDEOL AUDIO R6CH INPUTINPUT MO
17、DEINPUTVOLUMERDS MODE/FREQEONPTY SEEKMODESTARTTUNINGMODEPRESET/TUNINGFM/AMMEMORYEDITBASSBALANCESPEAKERSPROGRAMPRESET/TUNINGEFFECTA/B/C/D/EABOFFONSTANDBY/OND I G I T A L+LRTREBLE+MANL/AUTO FMAUTO/MANL MONORX-V420RDSHTR-5440 (U, C, A, R, T models)SURROUNDD I G I TA LSILENTVIDEO AUXPHONESVIDEOL AUDIO R
18、6CH INPUTINPUT MODEINPUTVOLUMETUNINGMODEPRESET/TUNINGFM/AMMEMORYEDITBASSBALANCESPEAKERSPROGRAMPRESET/TUNINGEFFECTA/B/C/D/EABOFFONSTANDBY/OND I G I T A L+LRTREBLE+MANL/AUTO FMAUTO/MANL MONOHTR-5440RX-V420/RX-V420RDS/HTR-5440/HTR-5440RDSRX-V420/RX-V420RDS/HTR-5440/HTR-5440RDSHTR-5440RDS (G model)SURRO
19、UNDD I G I TA LSILENTVIDEO AUXPHONESVIDEOL AUDIO R6CH INPUTINPUT MODEINPUTVOLUMERDS MODE/FREQEONPTY SEEKMODESTARTTUNINGMODEPRESET/TUNINGFM/AMMEMORYEDITBASSBALANCESPEAKERSPROGRAMPRESET/TUNINGEFFECTA/B/C/D/EABOFFONSTANDBY/OND I G I T A L+LRTREBLE+MANL/AUTO FMAUTO/MANL MONOHTR-5440RDSI REMOTE CONTROL T
20、RANSMITTERU, C, A, R, T modelsB, G models3RX-V420/RX-V420RDS/HTR-5440/HTR-5440RDSRX-V420/RX-V420RDS/HTR-5440/HTR-5440RDSI REAR PANELSU modelC modelA model4RX-V420/RX-V420RDS/HTR-5440/HTR-5440RDSRX-V420/RX-V420RDS/HTR-5440/HTR-5440RDS5G modelR, T modelB modelRX-V420/RX-V420RDS/HTR-5440/HTR-5440RDSRX-
21、V420/RX-V420RDS/HTR-5440/HTR-5440RDS6I SPECIFICATIONSI Audio SectionMinimum RMS Output Power (Power Amp. Section)(20 Hz to 20 kHz, 0.06% THD, 8 ohms) MAIN .65W + 65W CENTER. 65W REAR .65W + 65W(1 kHz, 0.09% THD, 8 ohms) MAIN .70W + 70W CENTER. 70W REAR .70W + 70WMaximum Power (EIAJ) R, T models(1 kH
22、z, 10% THD, 8 ohms)MAIN .95W + 95WCENTER. 95WREAR .95W + 95WDynamic Power Per Channel (IHF)MAIN L/R (8/6/4/2 ohms)U model . 95/115/135/155 WC, A, B, G, R, T models . 90/110/130/150 WDIN Standard Output Power Per ChannelMAIN L/R (1 kHz, 0.7% THD, 4 ohms)G model.95W + 95WDynamic Headroom8 ohmsU, C mod
23、els . 1.18 dBIEC PowerMAIN L/R (1 kHz, 0.06% THD, 8 ohms)G model.67W + 67WDamping FactorMAIN L/R (20 Hz to 20 kHz, 8 ohms) . 60 or moreInput Sensitivity / Input ImpedanceCD, etc. . 150 mV / 47 k-ohmsEXT. DECODERMAIN L/R. 150 mV / 47 k-ohmsCENTER, SURROUND L/R, SUBWOOFER .150 mV / 40 k-ohmsMaximum In
24、put Signal LevelCD, etc. (1 kHz, 0.5% THD, Effect On) . 2.2 VOutput Level / Output ImpedanceREC OUT . 150 mV / 1.2 k-ohmsSUB WOOFERMAIN SP: Small . 4 V/1.2 k-ohmsHeadphone Jack Rated Output / Impedance1 kHz, 150 mV, 8 ohms . 0.47 V / 390 ohmsFrequency ResponseCD, etc. to MAIN (20 Hz to 20 kHz) . 0 0
25、.5 dBTotal Harmonic Distortion(20 Hz to 20 kHz, 35 W / 8 ohms)CD, etc. (EFFECT OFF) to MAIN SP OUT .0.025% or lessSignal to Noise Ratio (IHF-A network)CD, etc. (Input shorted, Effect Off) to MAIN SP OUT150 mV .96 dB or more250 mV .100 dB or moreResidual Noise (IHF-A netwok)MAIN L/R SP OUT . 150 V or
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