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Topics:27,750 Posts:379,142 LastPost: TCL43S431BacklightissueorPowerSupply 27,750 379,142 TCL43S431BacklightissueorPowerSupply byhandsworth Today,07:30AM TroubleshootingPowerSuppliesandPowerSupplyDesign Technicaldiscussionforpowersupplies.ThiscoversPCsupplies,andanyotherrelatedpowersupplyissue.Whenstartinganewthread,pleaseputthemakeANDmodelofyourdeviceinthethreadtitle.AlsobeVERYdescriptiveofyourissue,thatwayyou'llgetthebestanswerpossible! Topics:4,240 Posts:65,757 LastPost: CorsairSF450PSU:canfaulty-12Vrailberemoved? 4,240 65,757 CorsairSF450PSU:canfaulty-12Vrailberemoved? bySamScarbo Today,01:22PM TroubleshootingPrinters,Copiers,ScannersandotherIming&PrintingDevices Technicalquestionsaboutyourdefectivelaserorinkprinter,plotter,copier,scanner,andotheriming&printingdevices.Thissectionalsoincludesdigitalcameras.Whenstartinganewthread,pleaseputthemakeANDmodelofyourdeviceinthethreadtitle.AlsobeVERYdescriptiveofyourissue,thatwayyou'llgetthebestanswerpossible! Topics:320 Posts:1,732 LastPost: NeedfirmwareforHP4103dw 320 1,732 NeedfirmwareforHP4103dw byPancfly Today,03:18AM TroubleshootingAudioEquipment Technicaldiscussiononaudioequipmenttroubleshootingandinstallation.Thiscanbeanythingfromahome/carstereo,guitaramp,andsoon.Whenstartinganewthread,pleaseputthemakeANDmodelofyourdeviceinthethreadtitle.AlsobeVERYdescriptiveofyourissue,thatwayyou'llgetthebestanswerpossible! Topics:2,410 Posts:27,996 LastPost: marantzsr6012nosound 2,410 27,996 marantzsr6012nosound byoshimapt Today,09:49AM TroubleshootingAppliancesandotherHouseholdElectronicStuff Technicaldiscussiononhouseholdappliances&otherhouseholdelectrics&electronics;includingtroubleshootingandinstallation.Thiscanbeanythingfromawasher/dryer,dishwasher,microweoven,othersordidkitchenelectricsandsoon.Whenstartinganewthread,pleaseputthemakeANDmodelofyourdeviceinthethreadtitle.AlsobeVERYdescriptiveofyourissue,thatwayyou'llgetthebestanswerpossible! 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Topics:1,402 Posts:19,758 LastPost: HasanyoneusedthismodulebeforeVolteRegulatorDC4-40VToDC1.25-36V8A200W 1,402 19,758 HasanyoneusedthismodulebeforeVolteRegulatorDC4-40VToDC1.25-36V8A200W bysam_sam_sam Today,07:47PM Specifications Laptop,Tablet,&NotebookSpecifications Basicspecificationsforlaptops,tablets,¬ebooks.Weareconstantlyaddingnewcontentlikeboardviews,schematics,fixes,andotherdatahere. Topics:101,076 Posts:101,076 LastPost: HP10MobileworkstationSpecificationforUpgradeorRepair 101,076 101,076 HP10MobileworkstationSpecificationforUpgradeorRepair byDocumentArchive 09-07-2024,07:20AM Server,iMac,&DesktopPCSpecifications Basicspecificationsforserver,iMac,&desktopcomputers.Weareconstantlyaddingnewcontentlikeboardviews,schematics,fixes,andotherdatahere. 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LatestTopics Collapse TryingtoSe-LG60PH670060-inchplasmaHDTV-PowersONbutnopicture byKYBOSH Sedthisbeastfromthelandfillthisweekend.ManfacturedJuly2013inMexico.IloveworkingonplasmaTVs.ItsbeenawhilebutIwasluckyenoughtofind2thisweek.TheTVpowersonandstaysonbutnopicture.Hentcheckedforsoundyet.Nobulgingcapsalthoughtheinsidesareprettydustyandtheboardsarediscoloredfrommanyyearsofhighheat.Willstarttroubleshootingtonight.[ATTACH=JSON]{"data-align":"none","data-size":"custom","height":"1000",&quo... Channel:TroubleshootingTVsandVideoSources Today,01:17PM AMDRadeonProW5700SchematicsNeeded byrefrf Hithere,IrecentlygotmyhandsonafewRadeonProsthatarenotfunctioning.I'vetriedsearchingfortheschematicsforthisboardbutIcan'tseemtofindanything.Ifsomeonecoulddroptheschematicsforthismodelitwouldbeveryappreciated. Channel:BIOS&SchematicRequests! Today,07:27PM VizioE55-F1darkbacklightzones.LEDfailureorDimmingZoneDriver? byhowardc64 [B]Problem[/B]FixingadimmingzoneTVwithLEDsnotlightingup.DimmingzonecircuitintroducesaddedvariabletodinoseLEDand/orDimmingZoneDriverboard?Some1/2rowsofLEDsappearstobeoutinactivedimmingzoneoffANDsomebrightnessflickeringwithactivedimmingzonehighwhileplayingchangingvideo[URL=filedata/fetch?id=&d=53][ATTACH=JSON]{"alt":"ClickimeforlargerversionName:\tIMG_3288.jpgViews:\t3Size:\t2.62MBID:\t","data-align":"none","data-attachmentid":"","data-size":"thumb"}[/ATTACH][/URL]... Channel:TroubleshootingTVsandVideoSources 10-10-2024,01:16PM LenovoIdeapad317ALC6-NoBacklight bySofian75 Ineedhelpplease.Ipurchasedanewscreenforthislaptop,Idoseeaverydimpicturebutthebacklightisn'tworking.Itestedthescreenwithanotherlaptopandit'sworkingfine,soIamtryingtofigureoutwhat'swrongwiththismotherboard.ThesearethemeasurementIvetaken:+LEDVDD=19VDISPOFF_N=3.3VINVT_PWM=0.126VCPU_EDP_HPD=2.42V+LCDVDD_CON=3.3VAnyideawhatshouldIchecknext?Couldtheproblembewiththebios?(Bios,boardviewandschematicattached)... Channel:TroubleshootingLaptops,Tablets,andMobileDevices Today,10:13AM Whatisthiscomponent?smddoublediodelike,markingcode:RX bycorrize Hello,doyouknowwhatitisthiscomponentmarkedRXplease?Ican'tfindit.Probablyitisapartofserie,becauseIsawanothermarkedRW.... Channel:GeneralElectronicsTechnicalDiscussion Today,02:33PM LEDlightissue byntec Hi,I'mtryingtofixmybuddiesrechargeableledworklightmadebyolightandthemodelisodiance.Forsomereasonnowafteracoupleyearsofnoissue,whenpoweredoffnow,theledisfaintlyliton3oftheorangerowsbutasyoucanseefromthefirstpicthat'snotwheretheledsare.Thepartthatisfaintlylitisbesidetheleds?Anyoneknowhowthatispossible?Istheresmallvoltestillcominginsomehow?Thethirdpiciswiththecoveroff.... Channel:GeneralElectronicsTechnicalDiscussion 10-13-2024,10:33PM ASUSRogStrixG17-712LVLaptopLiquiddamed byXxMicroSoldering HelloGuysIheaASUSRogstrixlaptopthatIboughtrecentlytofixandthepreviousownerspilledwateronit.Hebroughtitintoarepairshopforthemtocheckitoutandinsteadoffixingittheydamedthebatteryconnectorofthelaptop!Otherthanthattheydameddamednothing.Butsincetheliquiddamethelaptoponlyturnsonandthekeyboardlightsupandthenimmediatelyturnsoff.IreallywanttorepairthislaptopandIalsoheexperienceinrepairingphonesetcandlaptopsandabitofsolderingbutthedinosingpartiswhereIneedhelpwithand... 3Photos Channel:TroubleshootingLaptops,Tablets,andMobileDevices Today,10:45AM LenovoIdeapad317ALC6-NoBacklight bySofian75 Ineedhelpplease.Ipurchasedanewscreenforthislaptop,Idoseeaverydimpicturebutthebacklightisn'tworking.Itestedthescreenwithanotherlaptopandit'sworkingfine,soIamtryingtofigureoutwhat'swrongwiththismotherboard.ThesearethemeasurementIvetaken:+LEDVDD=19VDISPOFF_N=3.3VINVT_PWM=0.126VCPU_EDP_HPD=2.42V+LCDVDD_CON=3.3VAnyideawhatshouldIchecknext?Couldtheproblembewiththebios?(Bios,boardview... Channel:TroubleshootingComputerDisplays Today,08:21AM Macbookairm1can'taccesstherecoveryoptionsbypressingandholdingthepowerbutton byconghuyms IheanM1MacBookAir(A2337)2020thatcameinforwaterdameandwillnotturnon.Uponopeningit,Isawthattheaudioboardwasseverelycorroded.Idisconnectedit,andthedevicestartedworking.Afterthat,Idealtwiththeissuesontheaudioboardbyremovingthecapacitorsthatwereshortedtoground,andthedevicestartedworking.However,Iencounteredanotherproblem:Ican'taccesstherecoveryoptionsbypressingandholdingthepowerbutton.I'mnotsureifit'sahardwareissueoriftherecoverypartitionhasbeenlost.Currently,thesystem'stimeisn'tupdating,... Channel:TroubleshootingLaptops,Tablets,andMobileDevices 10-14-2024,06:43AM TCL43S431BacklightissueorPowerSupply byhandsworth Iwaswonderingifanyoneelsehascomeacrossthisproblem.Whatwastheproblem?,andwasitsolved.Irecentlypickedup2ofthesetvsandbothinitiallydinosedasbadbacklights.Whenturnedon,thebacklightsflashtheredlogoscreen.Soundandanimeisclearusingaflashlight.SoIbuy2setsofleds.WhentheyarriveItakeonetvapartandtesttheledsbeforeremovingthem.OMGtheyallwork.butIputthenewonesinanyway.SoIthinkitsthepowersupply.IswapPSfromonetotheotherandsameresults.Nowhereistheissueandreallyconfusedme.Iresetthetvusing... Channel:TroubleshootingTVsandVideoSources Yesterday,04:29PM ViewAll TCloud Collapse acer  apple  asus  bios  biosrecovery  biosunlockrequest  boardview  dell  hpbios  lcdpanel  lenovo  macbook  motherboardrepair  nopower  password  samsung  schematicsrequest  thankyou  thinkpad  troubleshooting  Trending Collapse ASUSRogStrixG17-712LVLaptopLiquiddamed byXxMicroSoldering HelloGuysIheaASUSRogstrixlaptopthatIboughtrecentlytofixandthepreviousownerspilledwateronit.Hebroughtitintoarepairshopforthemtocheckitoutandinsteadoffixingittheydamedthebatteryconnectorofthelaptop!Otherthanthattheydameddamednothing.Butsincetheliquiddamethelaptoponlyturnsonandthekeyboardlightsupandthenimmediatelyturnsoff.IreallywanttorepairthislaptopandIalsoheexperienceinrepairingphonesetcandlaptopsandabitofsolderingbutthedinosingpartiswhereIneedhelpwithand... 3Photos Channel:TroubleshootingLaptops,Tablets,andMobileDevices Today,10:45AM LenovoIdeapad317ALC6-NoBacklight bySofian75 Ineedhelpplease.Ipurchasedanewscreenforthislaptop,Idoseeaverydimpicturebutthebacklightisn'tworking.Itestedthescreenwithanotherlaptopandit'sworkingfine,soIamtryingtofigureoutwhat'swrongwiththismotherboard.ThesearethemeasurementIvetaken:+LEDVDD=19VDISPOFF_N=3.3VINVT_PWM=0.126VCPU_EDP_HPD=2.42V+LCDVDD_CON=3.3VAnyideawhatshouldIchecknext?Couldtheproblembewiththebios?(Bios,boardviewandschematicattached)... Channel:TroubleshootingLaptops,Tablets,andMobileDevices Today,10:13AM AMDRadeonProW5700SchematicsNeeded byrefrf Hithere,IrecentlygotmyhandsonafewRadeonProsthatarenotfunctioning.I'vetriedsearchingfortheschematicsforthisboardbutIcan'tseemtofindanything.Ifsomeonecoulddroptheschematicsforthismodelitwouldbeveryappreciated. Channel:BIOS&SchematicRequests! Today,07:27PM A2159willnotbootpastAppleLogo byLogix_UK HiEveryone.IheaMacforatopcasereplacement.IhecompletedthejobhowevertheMacwillbootandIgetthestartupchimesbutnotpasstheAppleLogo,notevenaprogressbar.Afterafewsecondsthefanspinsfast.Theboardis-A.IhedisconnectedeverythingexcepttheUSBportsanddisplayandtheissuepersists.Iamdrawing20.42vand.461Awithjustthescreenconnectedsoitlookslikeitisbooting.IhelookedovertheboardwithascopeandIdonotseeanythingthatappearswrong.Icannotgetintodinostics,NVRAMresetorDFU.Theonlyissueisthetopcase... Channel:TroubleshootingLaptops,Tablets,andMobileDevices Today,03:32AM NoPowerACERSWIFTGH4UTLA-L151P2B(DCortype-C) bypc_okay Hellofriends,i'mstuck....Ihethisboardnottakingcurrent.WheniplugDCjack,currentstopat1rstmofsetandiget0VonPIN18DCINofICCHARGE(ISL9238)(iget0VeverypinofIC)Idon'tfoundanyshortfornow.OntypeCIgetCC1orCC2at5Vandthat'sall,noVBUSnothingelse...Idontknowwheretolooknow...Anyhelpplease?Idontfindtheexactshematiconlythe1Aversionandboardviewmissalltheline.Icanposttheshematiciheandboardviewifyouwant.Thank... Channel:TroublBadcaps! Fóruns líquidoseshootingLaptops,Tablets,andMobileDevices Today,10:02AM Whatisthiscomponent?smddoublediodelike,markingcode:RX bycorrize Hello,doyouknowwhatitisthiscomponentmarkedRXplease?Ican'tfindit.Probablyitisapartofserie,becauseIsawanothermarkedRW.... Channel:GeneralElectronicsTechnicalDiscussion Today,02:33PM Hisense65H6570G-ColorinvertedafterreplacingLEDbacklight byojmc Background:[LIST][*]Hisense65H6570GstoppedworkingandIrootcausedtoaburntoutLEDinthebacklight.(Foranyoneinterestedthepowerlightpatternwhenthebacklighthasgoneis1)twolongflashes,2)averyshortthirdflash,then3)backtosolidred)[ATTACH=JSON]{"alt":"ClickimeforlargerversionName:\t_.jpgViews:\t0Size:\t2.72MBID:\t","data-align":"none","data-attachmentid":"","data-size":"custom","height":"400","title":"burnt... Channel:TroubleshootingTVsandVideoSources Today,02:29PM TryingtoSe-LG60PH670060-inchplasmaHDTV-PowersONbutnopicture byKYBOSH Sedthisbeastfromthelandfillthisweekend.ManfacturedJuly2013inMexico.IloveworkingonplasmaTVs.ItsbeenawhilebutIwasluckyenoughtofind2thisweek.TheTVpowersonandstaysonbutnopicture.Hentcheckedforsoundyet.Nobulgingcapsalthoughtheinsidesareprettydustyandtheboardsarediscoloredfrommanyyearsofhighheat.Willstarttroubleshootingtonight.[ATTACH=JSON]{"data-align":"none","data-size":"custom","height":"1000",&quo... Channel:TroubleshootingTVsandVideoSources Today,01:17PM LenovoFlex714IRU8 bydvv-vovik Gentlmenspleasehelp.NeedbiosforLenovoFlex714IRU8Iuploadmyoriginaldump.S/N-PW07X6FQ​... Channel:BIOSRequestsONLY! Today,03:20AM TryingtoSe-SamsungUN40MU6300-NoSignsofLife byKYBOSH Pickedthisoneuptoday.Nosignsoflifewhatsoever.NoredledlightfromtheIRmodule.DisconnectedthemainboardtoseeifPSUwasworkinganditwas(LEDbacklightslitup).CheckedthepowerbuttonforcontinuitywhenbuttonswerepressedandIgotreadings.Disconnectedvariouscomponents(speaker,wifimodule)withnodifference.Checkedmainboard'sfuses(found3)andtheywereallgood.IlookedonshopjimmytoseewhatcomponentsImayhebeenmissingandIsawthattheyweresellingEEPROMs.Thenitdawned... Channel:TroubleshootingTVsandVideoSources 10-12-2024,11:20PM ViewAll English(US) Deutsch(Du) English(US) French Spanish AboutUs ContactUs Privacy TermsofService Gototop Badcaps-ElectronicsRepairForum&SchematicSearch AlltimesareGMT-6.Thispewasgeneratedat08:05PM. Working... Yes No OK OK Cancel X window.vBulletin=window.vBulletin||{}; vBulletin.version='5.7.5';