Yamaha-HTR5890-avr-sm 维修电路原理图.pdf
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1、SERVICE MANUAL100942IMPORTANT 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 PANEL .
7、 3REMOTE CONTROL PANEL . 3REAR PANELS . 4SPECIFICATIONS. 57INTERNAL VIEW . 8DISASSEMBLY PROCEDURES . 912UPDATING FIRMWARE . 13SELF DIAGNOSIS FUNCTION (DIAG) . 1432AMP ADJUSTMENT . 33DISPLAY DATA . 34IC DATA . 3541BLOCK DIAGRAM. 4243PRINTED CIRCUIT BOARD . 4460PIN CONNECTION DIAGRAM . 6162SCHEMATIC D
8、IAGRAM . 6371PARTS LIST. 7390REMOTE CONTROL. 91Parts List for Carbon Resistors . 92AV RECEIVERHTR-5890HTR-5890 05.03RadioFans.CN 收音机爱 好者资料库HTR-58902HTR-5890WALLOUTLETEQUIPMENTUNDER TESTAC LEAKAGETESTER OREQUIVALENTINSULATINGTABLEWARNING: CHEMICAL CONTENT NOTICE!The solder used in the production of t
9、his 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/or birth defects or other reproductive harm.DO NOT P
10、LACE 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 solder or components located
11、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. Leakage Current Measurem
12、ent (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”“F1, F2: FOR CONTINUED PROTECTION AGAINST RISK OF FIRE, REP
13、LACE 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.GLeakage current must not exceed 0.5mA.GBe sure to test for leakage with the AC plug in both polarities.About Lead Free SolderThe P.
14、C.B.s installed in this unit are soldered using the following solder.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)Side AS
15、ide BSMT REFLOW ProcessMI FLOW ProcessSolder DipCaution:1. As the melting point temperature of the lead free solderis about 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 freeso
16、lder from each terminal section of the parts to bereplaced and from the area around it completely beforesoldering, or make 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.VIDEO P.C.B.CONVERSION P.C.B.Side ALead SolderLe
17、ad Solder-Lead SolderSide BLead Free SolderLead Free SolderLead Free SolderLead Free SolderLead Free SolderLead Free SolderLead Free SolderRadioFans.CN 收音机爱 好者资料库HTR-58903HTR-5890I FRONT PANELI REMOTE CONTROL PANELHTR-58904HTR-5890A modelI REAR PANELSU, C modelsHTR-58905171 (6-3/4)150 (5-7/8)381 (15
18、)21 (13/16)21 (13/16) 22 (7/8) 424 (16-11/16 )435 (17-1/8)Unit : mm (inch)I Audio SectionMinimum RMS Output Power (Power Amp. Section) (20 Hz to 20 kHz, 0.04% THD, 8 ohms)FRONT L/R . 120 W + 120 WCENTER. 120 WSURROUND L/R . 120 W + 120 WSURROUND BACK L/R .120 W + 120 WDynamic Power Per Channel (IHF)
19、FRONT L/R (8/6/4/2 ohms) . 155/195/250/330 WDynamic Headroom8 ohms. 1.11 dBDamping Factor (20 Hz to 20 kHz, SPEAKER-A, 8 ohms)FRONT L/R . 140 or moreInput Sensitivity / Input Impedance (1 kHz 100 W / 8 ohms, Multi CH IN)PHONO (MM). 3.5 mV / 47 k-ohmsCD, etc. . 200 mV / 47 k-ohmsMULTI CH INPUTFRONT L
20、/R, CENTER, SURROUND L/R, SUB WOOFER. 200 mV / 47 k-ohmsMaximum Input Signal LevelPHONO (MM) (1 kHz, 0.1% THD).100 mV or moreCD, etc. (1 kHz, 0.5% THD) .2.4 V or moreOutput Level / Output ImpedanceREC OUT . 200 mV / 1.2 k-ohmsPRE OUT (FRONT L/R, CENTER, SURROUND L/R, SURROUNDBACK L/R). 1.0 V / 500 o
21、hmsSUB WOOFER (20 Hz). 2.0 V / 500 ohmsZONE 2 OUT. 1.0 V / 1.2 k-ohmsZONE 3 OUT. 1.0 V / 1.2 k-ohmsFrequency Response (10 Hz to 100 kHz)CD, PURE Direct to FRONT L/R .+0 / -3.0 dBRIAA Equalization Deviation (20 Hz to 20 kHz)PHONO (MM). 0 0.5 dBHeadphone Jack Rated Output / Impedance (1 kHz, 40 mV, 8
22、ohms)CD, etc. INPUT . 150 mV / 100 ohmsTotal Harmonic Distortion (20 Hz to 20 kHz)PHONO (MM) to REC OUT (1 V) .0.02 % or lessCD, etc. (STEREO) to FRONT L/R SP OUT (60 W, 8 ohms).0.04 % or lessSignal to Noise Ratio (IHF-A Network)PHONO (MM) (Input shorted) to SP OUT (5 mV)U, C models .86 dB or moreA
23、model .81 dB or moreCD, etc. (Input shorted, STEREO) to SP OUT (250 mV).100 dB or moreResidual Noise (IHF-A Network)FRONT L/R SP OUT. 150 V or lessChannel Separation (STEREO)PHONO (Input shorted, 1 kHz / 10 kHz). 60 dB or more / 55 dB or moreCD, etc. (Input 5.1 k-ohms shorted, 1 kHz / 10 kHz). 60 dB
24、 or more / 45 dB or moreTone Control CharacteristicsBASSBoost/Cut . 6 dB (50 Hz)Turnover Frequency . 350 HzTREBLEBoost/Cut . 6 dB (20 kHz)Turnover Frequency . 3.5 kHzFilter CharacteristicsFRONT, CENTER, SURROUND, SURROUND BACK SP Small(H.P.F.). fc=40/60/80/90/100/110/120/160/200 Hz / 12 dB oct.SUBWO
25、OFER (L.P.F.). fc=40/60/80/90/100/110/120/160/200 Hz / 24 dB oct.I SPECIFICATIONS The variable range of the parameter (Min/Max/Step)Parameter namePro LogicPro Logic IIPro Logic IINeo:62chDD/dts/AAC6.1/ESUnitMovie/GameMusicDSP LEVEL-6/3/1-6/3/1-6/3/1-6/3/1dB(P.) INIT. DLY-1/99/11/99/11/99/1ms(P.) ROO
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