参考维修手册lle32s8000b

SERVICEMANUALLED ThisserviceinformationisdesignedforexperiencedrepairtechniciansonlyandisnotdesignedforusebythegeneralItdoesnotcontainwarningsorcautionstoadvisenontechnicalindividualsofpotentialdangersinattemptingtoserviceaproduct.Productspoweredbyelectricityshouldbeservicedorrepairedonlybyexperiencedprofessionaltechnicians.Anyattempttoserviceorrepairtheproductorproductsdealtwithinthisserviceinformationbyanyoneelsecouldresultinseriousinjuryordeath.Chapter1:General1-1.TableofGeneral 1-1.Tableof 1-2.General 1-3.Important 1-4.HowtoReadthisService LocationofControlsand 3-3.LCD Disassembleand Removethe RemovetheBack RemovetheMain RemovetheRemoteControl Installation ExternalEquipment Operation FrontPanel BackPanel UniversalRemote Electrical 7-1.Block 7-2.Circuit 7-3.WiringConnection Measurementsand 8-1.Howtoenterintothefactory 8-2.Howtoupdate 8-3.HowtoenterintotheHo Trouble- 9-1.Simple 9-2.MainBoardFailure 9-3.Panel 1-2.GeneralWhenservicing,observetheoriginalleaddress.Ifashortcircuitisfound,replaceallpartswhichhavebeenoverheatedordamagedbytheshortcircuit.Afterservicing,seetoitthatalltheprotectivedevicessuchasinsulationbarriers,insulationpapersshieldsareproperlyinstalled.Afterservicing,makethefollowingleakagecurrentcheckstopreventthecustomerfrombeingexposedtoshockhazards.LeakageCurrentColdLeakageCurrentHotPreventionofElectroStaticDischarge(ESD)toElectrostatically1-3.Important1-3-1.FollowtheregulationsandMostimportantthingistolistupthepotentialhazardorriskfortheservice neltoopentheunitsanddisassembletheunits.Forexample,weneedtodescribeproperlyhowtoavoidthepossibilitytogeectricalshockfromthelivepowersupplyorchargedelectricalparts(eventhepowerisoff).Thissymbolindicatesthathighvoltageispresentinside.Itisdangeroustomakeanykingofcontactwithanyinsidepartofthisproduct.Thissymbolindicatesthatthereareimportantoperatingandmaintenanceinstructionsintheliterture panyingtheappliance.1-3-2.Becarefultotheelectrical7RSUHYHQWGDPDJHZKLFKPLJKWUHVXOWLQHOHFWULFVKRFNRU¿UHGRQRWH[SRVHWKLV79torainorexcessivemoisture.ThisTVmustnotbeexposedtodriporsplashingwater,DQGREMHFWV¿OOHGZLWKOLTXLGVXFKDVYDVHVPXVWQRWEHSODFHGRQWRSRIRUDERYHWKH791-3-3.ElectrostaticdischargeSomesemiconductor(solidstate)devicescanbedamagedeasilybystaticelectricity.SuchcomponentscommonlyarecalledElectrostaticallySensitive(ES)Devices.Thefollowingtechniquesshouldbeusedtohelpreducetheincidenceofcomponentdamagecausedbyelectrosstaticdischarge(ESD).1-3-4.AboutleadfreesolderThisproductismanufacturedusinglead-freesolderasapartofamovementwithintheconsumerproductsindustryatlargetobeenvironmentallyresponsible.Lead-freesoldermustbeusedintheservicingandrepairingofthisproduct.8VHWKHJHQHZLQJSDUWVVSHFL¿HGSpecialpartswhichhavepurposesoffireretardant(resistors),high-qualitysound(capacitors),lownoise(resistors),etc.areused.Whenreplacinganyofcomponents,besuretouseonlymanufacture'sspecifiedpartsshowninthepartslist.Safety&RPSRQHQWVLGHQWL¿HG PDUNKDYHVSHFLDOFKDUDFWHULVWLFVLPSRUWDQWIRU1-3-6SafetyCheckafter&RQ¿UPWKDWWKHVFUHZVSDUWVDQGZLULQJZKLFKZHUHUHPRYHGLQRUGHUWRVHUYLFHDUHintheoriginalpositions,orwhethertherearethepositionswhicharedeterioratedaroundtheservicedplacesservicedornot.ChecktheinsulationbetweentheantennaterminalorexternalmetalandtheACcordplugblades.Andbesurethesafetyofthat.GeneralServicingAlwaysunplugthereceiverACpowercordfromtheACpowersourceRemovingorreinstallinganycomponent,circuitboardmoduleoranyotherreceiverDisconnectingorreconnectinganyreceiverelectricalplugorotherelectricalConnectingatestsubstituteinparallelwithanelectrolyticcapacitorinthe Awrongpartsubstitutionorincorrectpolarityinstallationofelectrolyticcapacitorsmayresultinanexplosionhazard.Testhighvoltageonlybymeasuringitwithanappropriatehighvoltagemeterorothervoltagemeasuringdevice(DVM,FETVOM,etc)equippedwithasuitablehighvoltageDonottesthighvoltageby"drawinganDonotspraychemicalsonornearthisreceiveroranyofitsUnlessspecifiedotherwiseinthisservicemanual,cleanelectricalcontactsonlybyapplyingthefollowingmixturetothecontactswithapipecleaner,cotton-tippedstickorcomparablenon-abrasiveapplicator;10%(byvolume)Acetoneand90%(byvolume)isopropylalcohol(90%-99%strength).CAUTION:7KLVLVDÀDPPDEOH8QOHVVVSHFL¿HGRWKHUZLVHLQWKLVVHUYLFHPDQXDOOXEULFDWLRQRIFRQWDFWVLVQRWCapacitorsmayresultinanexplosionDonotdefeatanyplug/socketB+voltageinterlockswithwhichreceiverscoveredbythisservicemanualmightbeequipped.DonotapplyACpowertothisinstrumentand/oranyofitselectricalassembliesunlessallsolid-statedeviceheatsinksarecorrectlyinstalled.Alwaysconnectthetestreceivergroundleadtothereceiverchassisgroundbeforeconnectingthetestreceiverpositivelead.Alwaysremovethetestreceivergroundleadlast.Capacitorsmayresultinanexplosion8VHZLWKWKLVUHFHLYHURQO\WKHWHVW¿[WXUHVVSHFL¿HGLQWKLVVHUYLFHCAUTION:'RQRWFRHFWWKHWHVW¿[WXUHJURXQGVWUDSWRDQ\KHDWVLQNLQWKLVRemovetheantennaterminalonTVandturnontheInsulationbetweenthecordplugterminalsandtheeternalexposuremetalshouldbemorethanMohmbyusingthe500Vinsulationmeter.IftheinsulationislessthanMohm,theinspectionrepairshouldberequired.Ifyouhavenotthe500Vinsulation meter,useaTester.Externalexposuremetal:AntennaterminalHeadphonejackElectrostaticallySensitive(ES)Somesemiconductor(solid-state)devicescanbedamagedeasilybystaticelectricity.SuchcomponentscommonlyarecalledElectrostaticallySensitive(ES)Devices.ExamplesoftypicalESdevicesareintegratedcircuitsandsomefield-effecttransistorsandsemiconductor"chip"components.Thefollowingtechniquesshouldbeusedtohelpreducethencidenceofcomponentdamagecausedbystaticbystaticelectricity.Immediaybeforehandlinganysemiconductorcomponentorsemiconductor-equippedassembly,drainoffanyelectrostaticchargeonyourbodybytouchingaknownearthground.Alternatively,obtainandwearacommerciallyavailabledischargingwriststrapdevice,whichshouldberemovedtopreventpotentialshockreasonspriortoapplyingpowertotheunitundertest.AfterremovinganelectricalassemblyequippedwithESdevices,placetheassemblyonaconductivesurfacesuchasaluminumfoil,toprevenectrostaticchargebuilduporexposureoftheassembly.Useonlyagrounded-tipsolderingirontosolderorunsolderESUseonlyananti-statictypesolderremovaldevice.SomesolderremovaldevicesnotFODVVL¿HGDVDQWLVWDWLFFDQJHQHUDWHHOHFWULFDOFKDUJHVVXI¿FLHQWWRGDPDJH(6GHYLFHV'RQRWXVHIUHRQSURSHOOHGFKHPLFDOV7KHVHFDQJHQHUDWHHOHFWULFDOFKDUJHVtodamageESDonotremoveareplacementESdevicefromitsprotectivepackageuntilimmediaybeforeyouarereadytoinstallit.(MostreplacementESdevicesarepackagedwithleadselectricallyshortedtogetherbyconductivefoam,aluminumfoilorcomparableconductivematerial).ImmediaybeforeremovingtheprotectivematerialfromtheleadsofareplacementESdevice,touchtheprotectivematerialtothechassisorcircuitassemblyintowhichthedevicewillbeinstalled.CAUTION:Besurenopowerisappliedtothechassisorcircuit,andobserveallothersafetyprecautions.MinimizebodilymotionswhenhandlingunpackagedreplacementESdevices.(OtherwiseharmlessmotionsuchasthebrushingtogetherofyourclothesfabricortheOLIWLQJRI\RXUIRRWIURPDFDUSHWHGÀRRUFDQJHQHUDWHVWDWLFHOHFWULFLW\VXI¿FLHQWWRGDPDJHanES1-3-7.OrderingSparePleaseincludethefollowinginformationswhenyouorderparts.(ParticularlytheVersionThemodelnumberandSerialnumbercanbefoundonthebackofeachproductandtheSoftwareVersioncanbefoundattheSparePartsList.SparePartNo.and<RXFDQ¿QGWKHPLQWKH6SDUH3DUWV1-3-8.PhotousedinthisTheillustrationandphotosusedinthisManualmaynotbaseonthefinaldesignofproducts,whi 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alA“reference”guidesthereadertootherplacesinthisbinderorinthismanual,wherehe/Screen32AspectResponseTimeAngelofColorNo.ofPreset1-OSDColorDK,BG,I,M,L,(Built-in)(W)AudioOutput(outer)TotalPowerInputVoltageRangeAC100-PowerFrequencyNetWeightGrossWeightNetDimensionPackagedLocationofControlsandBoardAAMainFunctionMainProcesssignalwhichinceptfromexteriorequipmentthentranslateintosignalthatpanelcandisplay.&RHFWRUMainboardPinSignal1LAMP2LAMP34REMOTE56POWERFOR789SpeakerconnectorPinSignal12343-3.LEDModelModel3-4-1.Connectorde1Vowersupply:2Vowersupply:3Vowersupply:4Vowersupply:5678Write9LVDSdataformatNoNegativetransmissiondataofpixelPositivetransmissiondataofpixelNegativetransmissiondataofpixelPositivetransmissiondataofpixelNegativetransmissiondataofpixelPositivetransmissiondataofpixelNegativeofPositiveofNegativetransmissiondataofpixelPositivetransmissiondataofpixelAgingI2Cclock(ForVcomI2Cdata(ForVcomNote(1)LVDSconnectorpinorderdefinedas-11DisassembleandRemovethe/D\GRZQWKHXQLWVRWKDWUHDUfaces5HPRYHWKHWKUHHVFUHZIURPWKHUHDUFRYHULQGLFDWHGZLWKż7KHQUHPRYHWKHRemovetheBack5HPRYHWKHWKHVHVFUHZLQGLFDWHG¿JXUHDERYHE\7KHQUHPRYHWKHEDFNFRYHUIURP

Removetheadhesivetapeindicatedon¿JXUHModelModelRemovetheMain□'LVFRHFWHGWKHFRX CN701CN201 CN800CN801 □5HPRYHWKH0DLQRemovetheTakeouttheRemovetheremotetakeouttheremoteModelModelServiceInstallationExternalEquipmentRemote User AntennaConnectoneendofacoaxialcable(notincluded)totheANTINjackonthebackofyourTV/DVDcombo,thenconnecttheotherendofthecableintotheantennaorcableTVwalloutlet.Toimprovepicturequalityfromanantennainapoorsignalarea,installasignalIfyouneedtosplittheantennasignaltoconnecttwoTVs,installatwo-way Aerialconnections:IEC(female).Inputimpendance:75 BesureboththeTVandcomputerarePower8ConnectVGAandaudioConnectpowerPowerontheTV,switchtoPCPowerontheThissequenceisveryACACINPUTLRLRPRESETMODE123NOTE:PCV.Freq.(Hz)notmorethanPRESETMODE(12345ThisTVprovidesonegroupofAV,onegroupofYPbPrforconvenientconnectiontoVCR,DVDorotherequipment.Pleaserefertotheowner'smanualoftheequipmenttobeconnectedaswell.YoucanusetheinputterminalsonTVsetrearasR 1YPCGYellow( Red(audioR)White(audioL)Red(ProrCr)Blue(PbG

EQUIPMENTwith AVAVLRLRWRRTOAUDIOWRRTOAUDIO TOAUDIO

Itcanbeconnectedtothefollowingappliances:VCR,multidiscplayer,DVD,camcorder,gameorstereosystem,etcYPbPrcansupporttheseIDEOandYPbPrshareoneaudio portgetDVIsignal,the"PCAudio"channelischangedtoreceivetheaudiofor 3.Sometimesitwillnotsupportindifferentdevicebecausethedevicesupplysnonstandardsignal.4.WhencurrentsourceisTV,AVOUTsignalisTV;whencurrentsourceisAV,AVOUTsignalisAV;othersourceshavenoAVOUTsignal.Whenthesourcedevice(DVDplayerorSetTopBox)supportsHDMHowToConnectConnectthesourcedevicetoportofthisTVwithancable(notdwiththisproduct).NoseparatedaudioconnectionisHowToIfthesourcedevicesupportsAutofunction,theoutputresolutionofthesourcedevicewillbeautomaticallysettoIfthesourcedevicedoesnotsupportAuto,youneedtosettheoutputresolutionTogetthebestpicturequality,adjusttheoutputresolutionofthesourcedeviceto inputsourceininputsourceoptionofSelectMain Whenthesourcedevice(DVDplayerorSetTopBox)supportsDVIHowToConnectConnectthesourcedevicetoportofthisTVwitha -to-DVIcable(notdwiththisproduct).AseparatedaudioconnectionisIfthesourcedevicehasanogaudiooutputconnector,connectthesourcedeviceaudiooutputtoDVIAudioInportlocatedonthePCport.HowToIfthesourcedevicesupportsAutoDVIfunction,theoutputresolutionofthesourcedevicewillbeautomaticallysettoIfthesourcedevicedoesnotsupportAutoDVI,youneedtosettheoutputresolutionTogetthebestpicturequality,adjusttheoutputresolutionofthesourcedevicetoPresstheINPUTbuttontoselectinputsourceininputsourceoptionofSelectMain ModelModelCableCable(notdwiththetoDVICable(notdwiththeogAudioCable(StereotoRCAtype)(notdwiththePowerTOUSEACPOWERUsetheACpolarizedlinecordprovidedforoperationonAC.InserttheACcordplugintoastandardpolarizedACoutlet.1HYHUFRHFWWKH$&OLQHFRUGSOXJWRRWKHUWKDQWKHVSHFL¿HGUsetheattachedpowercord,IWKHSRODUL]HG$&FRUGGRHVQRW¿WLQWRDQRQSRODUL]HG$&GRQRWDWWHPSWWR¿OHRUFXWWKHEODGH,WLVWKHXVHUCVUHVSRQVLELOLW\WRKDYHelectricianreplacetheobsolete,I\RXFDXVHDVWDWLFGLVFKDUJHZKHQWRXFKLQJWKHXQLWDQGWKHXQLWIDLOVWRsimplyunplugtheunitfromtheACoutletandplugitbackin.Theunitshouldreturntonormaloperation.ModelOperationModelFrontpanelFront KEYBOARD 43124312②③ STANDBY⑤ Remotecontrol IndicatorLED:WHITEPOWER IndicatorLED:RED

1.Displaytheinput 2.DisplaymainInTVmode，press“CH+”or“CH”tochangethechannelupanddown.Inmode,press“CH+”or“CH”toAdjustsound mode,press“VOL+”or“VOL”toadjusttheitemthatyouselected. Key 5.PressthisbuttontoturntheunitONfromSTANDBYmode.PressitagaintoturnthesetbacktoREARAVAC-AC-100-LRLRAlltheterminalsare(fromlefttoACPOWER ,AUDIOINPUT,AVNote:andYPbPrshareoneaudioREARAVConnectionR1 PCAlltheterminalsare(fromleftto 2/MHL,1,YPbPrINPUT,HEADPHONE,PCAUDIO,VGA,Note:When portgetDVIsignal,theaudiosignalreceivesfromthePCAudiochannel.-22ModelModel6-3SettingUpYourRemoteTheremotecontrolcannotbeoperatedunlessthebatteriesareproperlyloadedinserted.Whenusingtheremotecontrol,aimitattheremotecontrolsensorontheTV.Function11.POWER:PresstoturnonandofftheTV.2:◄◄:1►IIInUSBmode,usedasPlay/Pause■InUSBmode,usedasStopUSB:PresstolaunchtheUSBmultimediaVGA:PresstodirectlyswitchtoPC:Displaysthemainon- CURSOR:Tomovewithin OK:Presstoconfirmselectionsinanon-screen ortoopena CH.LIST:OpenthechannellistinTVS.M:Pressrepeatedlytoswitchaudiomodes:Standard,Movie,Music,User.VOL+/VOL-:PressVOL+orVOL-toincreaseordecreaseNUMBERKEY:PresstochangeaDISPLAY:PresstodisplaytheTVstatusinformationontheMUTE:SwitchestheTVsoundonor►►I:InUSBmode,usedasNextI◄◄:InUSBmode,usedasPreviousASPECT:Tochangethepictureaspectratio:Auto,4:3,16:9,Zoom1,Zoom2.SLEEP:PresstodisplaythesleeptimerTV:PresstodirectlyswitchtoTVYPbPr:PresstodirectlyswitchtoComponent(YPbPr):Presstodisplayandselecttheavailablesources.EXIT:ExitOnScreenCH+/CH-:PressCH+orCH-togotothenextorpreviousP.M:Pressrepeatedlytoselectapicturemode:Standard,Mild,User,RECALL:PresstogotothelastviewedBeusedinprogrammeRed:DeleteYellow:MoveBlue:Skip-25papa线路

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实测值：工作待机

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18.5寸至24寸二插使用U5，软排线的使用26寸使用三颗R850，使用二插时，贴上，其它状态时不

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-34-34ModelModel.WiringConnection225431123LVDS4Connectionwire(Blacklight5ConnectionWire(ForKeyboardand-35ModelModelServiceMeasurementsandThefirstitemofthe ischannel (forTVsourceonly).Youcansearchchannelsandeditprogramshere.Presstomove,pressOKbuttontoconfirm,andpress toadjust.Auto SoundSystemManualTuningProgrammeEditSoftwareUpdate(USB)<1).AutoSearchalltheTVchannelsSoundYoucanchangethesoundManualYoucansearchtheTVchannelsandfinetunethechannels,thenstoragethechannelsyouselected.Manual_StorageTo CurrentCHFrequency874.37Pressredbuttontostoragetochannelsaftermanualtuning.ProgramYoucanDelete,Rename,Move,orSkipanyProgramme123DeleteRenameMoveSkipOK -36

tochoosethePressredbutton,theprogramwillMovethecursortotheprogram,pressgreenbuttontorenametheprogram. tochoosethecharacter.Press movethecursor. buttontoexitedit,PressEXITtoexit Note:TheTVprogramsnameonlycanbe5Movethecursortotheprogram,yellowbutton,itwillshowyellowcursor,Presstomovetheprogram. tochoosetheprogram,bluebuttontoskipthisprogram,Theicon showontherightsideoftheprogram.Choosetheskippedprogram,pressthebluebuttonagain,youcancanceltheskip,Thentheicon SoftwareUpdatetheTVset'ssoftwarebyTheseconditemofthe isPICTURE Youcanadjustpictureeffecthere,suchascontrast,brightness,etc.Presstomove,pressOKbuttontoconfirm,andpresstoadjust.>><PictureMode StandardColorTemperatureAspectNoise1).TintisavailableinNTSCsystemonly.2).Therearefourcolortemperaturecanbeselected,suchasmedium,warm,cool,anduser.3).Screenisavailableimodeonly,whichcanadjusthorizontalposition,verticalposition,sizeandphase.TVTV>CEC>CEC<OSDLanguage RestoreFactoryDefaultBlueScreenOSDThethirditemof isthe.Youcanadjustthesoundeffectheresuchastreble,bass,balanceetc. tomove,pressOKbuttontoconfirm,andpress toadjust.SoundMode StandardSoundMode StandardAutoSurround><RestorefactorydefaultwillclearalltheprogramsandResetallthesettingstodefaultvalue.Autovolume:onlyavailablewhentheinputsignalvolumeistoolargeordistortion.Thefourthitemofthe istheTIMEYoucanadjusttheclock,poweron/offtime,sleeptimeetc. tomove,pressOKbuttontoconfirm,andpress toadjust.Clock OffTimeOnTimeSleepTimerAutoSleep><Within15minutesthereisnosignal,theTVwillautosleep.OnceyoupowerofftheTVsetbyAC,theclocktimewillbereset.Thefifthitemofthe istheOPTION YoucanadjusttheOSDlanguage,Restorefactorydefault,BlueScreenorOSDBlend.

USBYoumustentertheSource first,thenchoicetheUSBandpressOKbutton,theUSB willappear.InputUSBUSB PleasemakesurethattheUSBdevicehavepluggedintheslot.Therearefourtypemediaitemcanbeselected,suchasphoto,music,Movieandtext.Selectthetypemediaitembypressing ,pressOKbuttontoenterthediskselection Inthemoviemode,whenyouuseFB,FFfunction,Theaudiomaybepauseinseveralsecondstosynchronizetheaudiosignalandsignal.Intextmode,press tomakepageupandpagedown.WhentheUSBdeviceisn'tsupported,itmaybethatthepoweroftheUSBdeviceisn'tenough.-37C toselectthefunctionicon,pressOKbuttontoconfirmC orEXITbuttontoexitthecontrolYoucanadjusttheaudiotrack,subtitle,orprogramintheInfo whilePlayingthe ChoosetheInfoiconandpressOKcandisplaythe.Resolution:720x576 30574Pressthe toselecttherightdiskandpressOKtodisplaymediafilesandfolderlistorchooseResolution:720x576 30574Resolution:688x412AudioTrack:1/2 Size:511457KBytes Selectthemediafilebypressing ,thenthepreviewframewillpopup.Pressthebuttontoplaythemediafileinfullscreen.Whenthemediafile(photo,music,Movieortexttype)isplaying,presstheOKorInfobuttoncandisplaythecontrolbar.Musicfunctionneedtoputmusicandpictureinthesamefolder.ModelModelHowtoenterintothefactoryYoucanpress"source-2-5-8-0"togointofactorysetting.Pressethekey"exit"toshutthefactorysetting.1:ADCsetup:setADCvalueofYUV,VGA.Itc sobeauto-set.Adopt100%colorbartoyuvandCheckerboardsignaltovga.2:Adjustthebrightnessandcontrastratioofeachsignal,whichdonotaffectthevalueofuser's 3:adjustthecolortemperatureandwhitebalanceofeachsignalsource.4:SSCtoadjustthespectrumforpassingtheEMCtest.5:special2houroff--forAgingwhitepattern--setpurecoloroutputforthepanel,usedatthecheckingandagingtestforpanel.setthesetpower-onscreendisplay.6:QMAPadjust:adjustcolorquality.7:PEQsetsoundEQ8:swinformation:tocheckthesofeware9:UARTDEBUG:AccesstoserialportandconnectacomputerifsettoHK.10:BMTEST:cpuchecktheCPUThelastlineisSW-39ModelModelServiceHowtoupdateHaierV59F/WupgradewithUSBSOPStep1:ReadyforF/WUpgradePrepareaUSBmemoryCopythesoftwarefile(merg.bin)fromyourcomputertotheUSBmemory,andremoveitfromcomputer’sUSBport!Step2:F/WAC,theninputUSB,press "andchoose"updatesoftware",andthenpress<

AutoSoundSystemManualTuningProgrammeEditSoftwareUpdate(USB),Nowyoushouldchoose"Yes",TVbegintoupdate.YoushouldresetTVafterNote:WhenUpgradeontheprocess,pleasedon’tPower-ModelServiceModelHowtoenterintothe Youcanpress"source-1-0-0-1"togointotheho model.Pressethekey"exit"toshuttheho Ho HomodePanelKeyLock:PanelkeyMaxStartStart

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Ho isHomodeistodisplaytheSavetoUSB:TVrelatedequipmentwillbecopiedtothesystem,Udisk,toothermachinesusedforcloningLoaking:UdiskdatawillbeclonedintotheVolume-41ModelModel9-1.Simple-42ModelModel9-2.MainboardfailureNoNopicturebuthavesoundCheckifCheckifthereisnormalvoltageatC1026CheckifU3Pin19（5V）;U5：（5V）、Pin4(12V)Pin6(5.7V)isCheckifthereis+5VatPin35in