Yamaha-HTR5250-avr-sm 维修电路原理图.pdf

《Yamaha-HTR5250-avr-sm 维修电路原理图.pdf》由会员分享，可在线阅读，更多相关《Yamaha-HTR5250-avr-sm 维修电路原理图.pdf（76页珍藏版）》请在收音机爱好者资料库上搜索。

1、SERVICE MANUALIMPORTANT 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 YAMAHAProducts, are already known and understood by the users, and have

2、 therefore not been restated.WARNING:Failure to follow appropriate service and safety procedures when servicing this productmay result in personal injury, destruction of expensive components, and failure of theproduct to perform as specified. For these reasons, we advise all YAMAHA productowners tha

3、t 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 of firm does not constituteauthorization, certification or recognition of any applicable technical capabilities,or es

4、tablish 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 service departments of YAMAHA are continually striving to improve YAMAHA products.Modifications are, therefore, inevitab

5、le and specifications are subject to change without notice or obligationto retrofit. Should any discrepancy appear to exist, please contact the distributors Service Division.WARNING:Static discharges can destroy expensive components. Discharge any static electricityyour body may have accumulated by

6、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 beforeyou apply power to the unit.100716AV RECEIVERRX-V596/HTR-5250RX-V596RDSTO SERVICE PERSONNEL . 1REMOTE CONTROL PA

7、NELS. 1FRONT PANELS. 2REAR PANELS . 34SPECIFICATIONS. 56INTERNAL VIEW . 7DISASSEMBLY PROCEDURES . 7SELF DIAGNOSIS FUNCTION . 819FACTORY PRESET . 20ICONTENTSAMP ADJUSTMENT . 21TUNER ADJUSTMENT. 2225IC DATA .2634DISPLAY DATA . 35BLOCK DIAGRAM. 3639PRINTED CIRCUIT BOARD . 4059SCHEMATIC DIAGRAM . 6067PA

8、RTS LIST . 6886REMOTE CONTROL TRANSMITTER . 8788RadioFans.CN 收音机爱 好者资料库1RX-V596/HTR-5250/RX-V596RDSI TO SERVICE PERSONNEL1. Critical Components informationComponents having special characteristics are marked !and must bereplaced with parts having specifications equal to those originallyinstalled.2.

9、Leakage Current Measurement (For 120V Model only)When service has been completed, it is imperative that you verify thatall exposed conductive surfaces are properly insulated from supplycircuits.Meter impedance should be equivalent to 1500 ohm shunted by 0.15F.Leakage current must not exceed 0.5mA.Be

10、 sure to test for leakage with the AC plug in both polarities.WARNING: CHEMICAL CONTENT NOTICE!The solder used in the production of this product contains LEAD. In addition, other electrical/electronic and/or plastic (whereapplicable) components may also contain traces of chemicals found by the Calif

11、ornia Health and Welfare Agency (and possiblyother 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 REASONWHATSOEVER!Avoid prolonged, unprotected contact between solder and your skin! When

12、 soldering, do not inhale solder fumes or expose eyesto solder/flux vapor!If you come in contact with solder or components located inside the enclosure of this product, wash your hands before handlingfood.I REMOTE CONTROL PANELSM U,C,R,T,A and L modelsM B and G modelsWALLOUTLETEQUIPMENTUNDER TESTAC

13、LEAKAGETESTER OREQUIVALENTINSULATINGTABLECAUTIONF802: FOR CONTINUED PROTECTION AGAINST RISK OF FIRE,REPLACE ONLY WITH SAME TYPE 8.0A,125V FUSE.ATTENTIONF802: UTILISER UN FUSIBLE DE RECHANGE DE MEME TYPE DE 8.0A, 125V FUSEA VDVD/LDDSPINPUTMOVIE?THTR 1MONO MOVIETV SPORTSDISCOROCKHALLEXT.DEC.INDEXEFFEC

14、T /DTS?SUR.MOVIE?THTR 22TUNER3TAPE/MD1CD5D-TV6VCR4DVD/LD8CBL/SAT9V-AUX7PHONOENTER10+?-+?-0A/B/C/D/EPOWERSELECTAV?DIR ADIR BDISC SKIP?PRESETCHCHA/BDISPLAYVCR RECTESTMENUTITLETV?POWERTV?SLEEPVOLUMETV VOLMUTEINPUTSTANDBYPOWERISET MENUTIME/LEVELRAV210V429760 US-CODESETDVD/LDDSPINPUTMOVIE?THTR 1MONO MOVI

15、ETV SPORTSDISCOROCKHALLEXT.DEC.INDEXEFFECT /DTS?SUR.MOVIE?THTR 22TUNER3TAPE/MD1CD5D-TV6VCR4DVD/LD8CBL/SAT9V-AUX7PHONOENTER10+-+-0A/B/C/D/EPOWERSELECTAVDIR ADIR BDISC SKIP?PRESETCHCHA/BDISPLAYVCR RECTESTMENUTITLETVPOWERTVSLEEPVOLUMETV VOLMUTEINPUTSTANDBYPOWERISET MENUTIME/LEVELRAV211V429770 EU?-CODES

16、ETRadioFans.CN 收音机爱 好者资料库2RX-V596/HTR-5250/RX-V596RDSI FRONT PANELSM RX-V596 U, C, A and L modelsBL (Black model) R and T modelsBL (Black model) and GD (Gold model)M RX-V596RDS B modelBL (Black model) G modelBL (Black model) and TI (Titan model)M HTR-5250 U, C and A modelsBL (Black model) T modelBL

17、(Black model) and GD (Gold model)3RX-V596/HTR-5250/RX-V596RDSI REAR PANELSM RX-V596/HTR-5250 U modelM RX-V596/HTR-5250 C modelM RX-V596 R modelM RX-V596/HTR-5250 T model4RX-V596/HTR-5250/RX-V596RDSM RX-V596/HTR-5250 A modelM RX-V596RDS B modelM RX-V596RDS G modelM RX-V596 L model5RX-V596/HTR-5250/RX

18、-V596RDSI SPECIFICATIONSIFM SECTIONTuning RangeU, C models87.5 to 107.9MHzR, T models (Frequency Step: 100kHz)87.5 to 108.0MHz(Frequency Step: 50kHz)87.50 to 108.00MHzA, B, G, L models87.50 to 108.00MHz50dB Quieting Sensitivity (IHF)U, C, R, T models onlyMono, 1kHz, 100% mod1.6V(15.3dBf)Stereo, 1kHz

19、, 100% mod23V(38.5dBf)Usable Sensitivity (DIN)A, B, G, L models onlyDIN, Mono(S/N 26dB)0.9VDIN, Stereo(S/N 46dB)28VAlternate Channel SelectivityU, C, R, T models (400kHz)75dBA, B, G, L models (300kHz)Selectivity(two signals, 40kHz Dev.)55dBSignal-to-Noise RatioU, C, R, T models (IHF)Mono/Stereo81dB/

20、75dBA, B, G, L models (DIN-Weighted, 40kHz Dev.)Mono/Stereo75dB/69dBHarmonic Distortion (1kHz)Mono/Stereo0.1%/0.2%Stereo Separation (1kHz)48dBFrequency Response (20Hz to 15kHz)01dBOutput Level (1kHz)U, C, R, T models (100% mod.)550mVA, B, G, L models (40kHz Dev.)550mVAntenna Input75 unbalancedIAUDIO

21、 SECTIONMinimum RMS Output Power Per Channel(Power Amp. Section)U, C modelsMAIN L/R, REAR L/R20Hz to 20kHz, 0.06% THD, 8100W+100W1kHz, 0.09% THD, 8110W+110WCENTER20Hz to 20kHz, 0.06% THD, 8100W1kHz, 0.09% THD, 8110WR,T,A,B,G,L modelsMAIN L/R, REAR L/R20Hz to 20kHz, 0.06% THD, 870W+70W1kHz, 0.09% THD

22、, 880W+80WCENTER20Hz to 20kHz, 0.06% THD, 870W1kHz, 0.09% THD, 880WMaximum Power (EIAJ)R, T models onlyMAIN L/R, REAR L/R1kHz, 10% THD, 8105W+105WCENTER, 1kHz, 10% THD, 8105WDynamic Power Per Channel (IHF)MAIN L/RU, C models8/6/4/2130W+130W/150W+150W/190W+190W/240W+240WR,T models8/6/4/2 90W+90W/110W

23、+110W/135W+135W/160W+160WDIN Standard Output Power Per ChannelG model onlyMAIN L/R, REAR L/R 1kHz, 0.7% THD, 4110W+110WCENTER, 1kHz, 0.7% THD, 4110WDynamic Headroom(8)U, C models only1.14dBIEC PowerG model onlyMAIN L/R, 1kHz, 0.06% THD, 875W+75WDamping Factor (SPEAKER A)MAIN L/R, 20Hz to 20kHz, 880I

24、nput Sensitivity/Input ImpedancePHONO (MM)2.5mV/47kCD etc.150mV/47kMAIN L/R (EXTERNAL DECODER)150mV/47kCENTER150mV/40kSURROUND L/R150mV/40kSUB WOOFER150mV/40kMaximum Input Signal Level (1kHz)PHONO (MM), 0.1% THD100mVCD etc. (EFFECT ON), 0.5% THD2.2VOutput Level/Output ImpedanceREC OUT150mV/1.2kPRE O

25、UT2.1V / 1.2kSUB WOOFER (MAIN SP : SMALL)4V/1.2kHeadphone Jack Rated Output/ImpedanceCD etc., Input=1kHz, 150mV, RL=80.34V/560Frequency Response(10Hz to 100kHz)CD etc., MAIN0/3dBRIAA Equalization DeviationPHONO (MM)00.5dBTotal Harmonic Distortion(20Hz to 20kHz)PHONO (MM) to REC OUT (1V)0.02%CD etc.(

26、EFFECT OFF) to MAIN SP OUT(35W/8)0.06%Signal-to-Noise Ratio(IHF-A Network)PHONO (MM), Input shorted, REC OUTU, C, R, T models86dBA, B, G, L models81dBCD etc,(EFFECT OFF), Input shorted, SP OUT99dBResidual Noise(IHF-A Network)MAIN L/R, SP OUT150VChannel Separation(Vol. 30dB, EFFECT OFF)PHONO, Input s

27、horted, 1kHz/10kHz60dB/55dBCD etc, Input 5.1k terminated, 1kHz/10kHz60dB/45dBTone Control CharacteristicsBASS: Boost/Cut10dB(50Hz): Turnover Frequency350HzTREBLE: Boost/Cut10dB(20kHz): Turnover Frequency3.5kHzFilter CharacteristicsMAIN, REAR SP SMALL : H.P.F.fc=90Hz, 12dB/oct.SUB WOOFER : L.P.F.fc=9

28、0Hz, 18dB/oct.6RX-V596/HTR-5250/RX-V596RDSIGENERALPower SupplyU, C modelsAC120V, 60HzT modelAC220V, 50HzStandby Power ConsumptionU, C, models0.70WA, B, G, L models0.89WA modelAC240V, 50HzU model280WC model310W/410VAR, T models310WA, B, G, L models300WB, G, L modelsAC230V, 50HzPower ConsumptionMaximu

29、m Power ConsumptionR model only5CH Simultaneous output, 10% THD510WAC OutletU, C, R, T, G, L models, Switched x 2100W max(Total)A, B models, Switched x 1100W maxDimensions(W x H x D)435 x 151 x 390.5mm(17-1/8 x 5-15/16 x 15-3/8)Weight11.2kg(24Ibs. 11oz)AccessoriesAM loop antenna x 1Indoor FM antenna

30、 x 1Remote Control Transmitter x 1Battery (size AAA, R03) x 4* Specifications subject to change without notice.U . U. S. A. modelA .Australian modelC . Canadian modelB .British modelR . General modelG .European modelTBL.Black model. China modelTI.Titan modelGD.Gold modelL .Singapore modelIAM SECTION

31、Tuning RangeU, C models530 to 1710kHzR, T models (Frequency Step : 10kHz)530 to 1710kHz(Frequency Step : 9kHz)531 to 1611kHzA, B, G, L models531 to 1611kHzUsable Sensitivity300V/mSignal-to-Noise Ratio52dBOutput Level (1kHz, 30% mod.)150mVAntennaLoop antennaIVIDEO SECTIONVideo Signal TypeU, C modelsN

32、TSCR modelNTSC/PALT, A, B, G, L modelsPALVideo Signal Level1Vp-p/75S-Video Signal LevelY:1Vp-p/75,C:0.286Vp-p/75Maximum Input Level1.5Vp-pSignal-to-Noise Ratio50dBMonitor Output Frequency Response(3dB) 5Hz10MHzG DIMENSIONSUnits: mm (inch)21.5(7/8)435(17-1/8)349.5(13-3/4)390.5(15-3/8)130(5-3/32)151(5

33、-15/16)19.5(13/16)21(27/32)WARNINGDo not change the IMPEDANCE SELECTOR switchsetting while the power to this unit is on, otherwisethis unit may be damaged.IMPEDANCE SELECTORManufactured under license from Digital Theater Systems, Inc. US Pat. No. 5,451,942 and other world-wide patents issued and pen

34、ding. DTS, DTS Digital Surround, are trademarks of Digital Theater Systems, Inc. Copyright 1996 Digital Theater Systems, inc. All rights reserved.Manufactured under license from Dolby Laboratories.DOLBY, AC-3, PRO LOGIC, and the double-Dsymbol are trademarks of Dolby Laboratories.Confidential unpubl

35、ished works. 1992-1997 Dolby Laboratories. All rights reserved.R modelAC110/120/220/240V, 50/60Hz7RX-V596/HTR-5250/RX-V596RDSI DISASSEMBLY PROCEDURES(Remove parts in disassembly order as numbered.)1. Removal of Top CoverRemove 4 screws () and 4 screws () in Fig. 1.2. Removal of Front Panela. Remove

36、5 knobs.b. Remove 6 screws () in Fig. 1.Fig.11POWER TRANSFORMER2P.C.B. POWER (2)3P.C.B. POWER (7)(U,C,A,B,G,L models only)4P.C.B. MAIN (3)5P.C.B. POWER (6)(R,T models only) 6P.C.B. MAIN (4)7P.C.B. POWER (4)(R,T models only)8P.C.B. MAIN (2)9P.C.B. MAIN (1)0P.C.B. POWER (3)AP.C.B. INPUT (1)BP.C.B. INP

37、UT (4)CP.C.B. INPUT (3)DP.C.B. INPUT (2)EP.C.B. INPUT (5)FP.C.B. TUNERGP.C.B. POWER (5)HP.C.B. MAIN (5)IP.C.B. OPERATION (3)JP.C.B. OPERATION (1)KP.C.B. MAIN (6)LP.C.B. POWER (1)MP.C.B. OPERATION (2)NP.C.B. DSPI INTERNAL VIEWFront PanelTop CoverKnobFDEBCA0987654321NMLKJIHG8RX-V596/HTR-5250/RX-V596RD

38、SI SELF DIAGNOSIS FUNCTION1. PURPOSE AND OPERATIONThe RX-V596/HTR-5250/RX-V596RDS has a Self Diagnosis Function to locate a faulty part, if any, by inspecting and taking measurements.There are 12 main items in the diagnostic menu and sub-menu items as listed below.No.1234567891012SUB-MENU1. MAIN BYP

39、ASS2. DSP 0dB1. YSS+SRAM M2. YSS M3. DSP FULL BIT1. STATUS (BINARY FORM)1. CENTER LARGE2. EFFECT OFF1. MAIN : SMALL 0dB2. MAIN : LARGE 0dB3. MAIN : LARGE 10dB4. LFE/BASS : MAINCENTER : NONE5. LFE/BASS : MAIN6. LFE/BASS : SUBWOOFER7. CENTER : NONE8. CENTER : SMALLREAR : SMALL9. FRONT MIX1. (EFFECT OF

40、F)2. ALL SEGMENTS TURN OFF3. ALL SEGMENTS TURN ON4. ALTERNATE SEGMENTS TURN ON5. SOFTWARE RELEASE DATE1. ALL2. MAIN L3. CENTER4. MAIN R5. REAR R6. REAR L7. LFE1. INHIBIT (Inhibit Memory Initialize)2. RESERVED (Reserve Memory Initialize)1. 2. KEY1, KEY23. TUNER SIGNAL LEVEL5. PS PROTECTION1./2. DSP S

41、TATUS (1)/(2)3./4. CHANNEL STATUS (1)/(2)5./6. BSI0 (1)/(2)7./8. BSI1 (1)/(2)9./10. BSI2 (1)/(2)11./12. BSI3 (1)/(2)13./14. BSI4 (1)/(2)15./16. BSI5 (1)/(2)1. VERSION and CHECK SUM2. MODEL TYPE and DESTINATION3. EXITMAIN MENUANALOG THROUGHDSP THROUGHAC3/DTS THROUGHPRO LOGICSPEAKERS SETDISPLAY CHECK(

42、EFFECT OFF)MANUAL TESTFACTORY PRESETAD DATA CHECKSTATUS INFORMATION FROM DSPUNIT INFORMATION/EXITREMOTE CONTROL CODE (KEY)7A88 (1 DSP mode)111. CHECK SUM MODIFICATION DATA EEPROM DATA2. WRITING CONFIRMATION3. START WRITINGEEPROM WRITINGFUNCTION 7A89 (2 DSP mode) 7A8A (3 DSP mode) 7A8B (4 DSP mode)7A

43、8C (5 DSP mode)7A8D (6 DSP mode)7A8E (7 DSP mode)7A8F (8 DSP mode)7A90 (9 DSP mode)7A91 (0 DSP mode) 7A-12 (ENTER DSP mode)7A-56 (10 DSP mode) 4. DC PROTECTION 9RX-V596/HTR-5250/RX-V596RDS1.2.3.4.5.6.7.EFFECT LEVEL:MUTING: OFFINPUT (VIDEO): DVD/LD (DVD/LD)CENTER SPEAKER: LARGEREAR SPEAKER: LARGEMAIN

44、 SPEAKER: LARGELFE/BASS OUT: SWFRCHANNELCENTERR SURL SURSWFRLEVEL (dB)0000C. Start-up displayThe protection history information appears on the front panel display.2. BEGINNING AND CANCELLATION(1) Starting up the function and the displayAfter starting up, main-menu No.1 is selected.A. How to start di

45、agnostic programUsing the front panel keys of the main unit.Plug in the AC power cord. With the Power OFF, hold down the PRESET/TUNING and A/B/C/D/E keys simultaneously (Step 1), then press the STANDBY/ON key (Step 2).Sub menu No. 1 of the diagnosis main menu No. 1 will start.B. Settings for start-u

46、p of diagnostic programThe settings used when starting the diagnostic program are as follows.A/B/C/D/E keySTANDBY/ON keyPRESET/TUNING keyFRONT PANELStep2. Press the STANDBY/ON key.Step1. Hold down the PRESET/TUNING and A/B/C/D/E key simultaneously.10RX-V596/HTR-5250/RX-V596RDSG Protection historyThe

47、 following examples show how the protection history is displayed:Appears when the protection function has not been activated.Displayed the check sum (4-digit, hexadecimal) and the version (one letter) of the main microcomputer.Appears when the current protection function has been activated.When powe

48、r is turned on in an abnormal condition, the power relaywill come on, protection will operate immediately, and power willturn off.Appears when the power supply protection function has been activated.For the % value, the voltage at that point is shown by 5V/100%.When power is turned on in an abnormal

49、 condition, power will turn off after half a second.Appears when the power amp DC protection function has been activated.For the % value, the voltage at that point is shown by 5V/100%.When power is turned on in an abnormal condition, power will turn off after two seconds.G FL display at start-up of

50、diagnostic programWhen the diagnostic program has started, the check sum of the main microcomputer or the protection history (*1) is displayed. If the protection function has been activated in the past, the type and voltage value are displayed. After a few seconds the diagnosis function menu will ap