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Topics:4,074 Posts:45,214 LastPost: IwannabuypcpowersupplyfromFrance.IaminPoland.Didpowercablewillbecompatibletosocket? 4,074 45,214 IwannabuypcpowersupplyfromFrance.IaminPoland.Didpowercablewillbecompatibletosocket? bystj Today,11:47AM TroubleshootingDesktopMotherboards,GraphicsCards,andPCPeripherals Technicaldiscussionscoveringanytypeofdesktopmotherboard,video/graphicscard,controllercard,orwhateverotherdesktopperipheralyouneedhelpwith.Anyandallbrandsandmodelswelcome.Whenstartinganewthread,pleaseputthemakeANDmodelofyourdeviceinthethreadtitle.AlsobeVERYdescriptiveofyourissue,thatwayyou'llgetthebestanswerpossible! Topics:7,180 Posts:39,750 LastPost: SearchedFor:IntelDQ77KB-CircuitDiram(AndIfPossibleAlsoTheComponentLayout) 7,180 39,750 SearchedFor:IntelDQ77KB-CircuitDiram(AndIfPossibleAlsoTheComponentLayout) byklebendes_etwas Today,03:26PM Sub-Forums: BIOS&SchematicRequests! 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Topics:4,231 Posts:65,682 LastPost: HelpIdentifyingComponentQ2-Millerd302K3+12DieselEngineDrivenWelder 4,231 65,682 HelpIdentifyingComponentQ2-Millerd302K3+12DieselEngineDrivenWelder byR_J Today,12:58PM TroubleshootingPrinters,Copiers,ScannersandotherIming&PrintingDevices Technicalquestionsaboutyourdefectivelaserorinkprinter,plotter,copier,scanner,andotheriming&printingdevices.Thissectionalsoincludesdigitalcameras.Whenstartinganewthread,pleaseputthemakeANDmodelofyourdeviceinthethreadtitle.AlsobeVERYdescriptiveofyourissue,thatwayyou'llgetthebestanswerpossible! Topics:317 Posts:1,721 LastPost: dumpcanonpigmag3410 317 1,721 dumpcanonpigmag3410 bySMDFlea Today,09:33AM TroubleshootingAudioEquipment Technicaldiscussiononaudioequipmenttroubleshootingandinstallation.Thiscanbeanythingfromahome/carstereo,guitaramp,andsoon.Whenstartinganewthread,pleaseputthemakeANDmodelofyourdeviceinthethreadtitle.AlsobeVERYdescriptiveofyourissue,thatwayyou'llgetthebestanswerpossible! 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LatestTopics Collapse Asusg713pv-ws94 byblazie151 BioschipisaWinbond25r256jweq.IheaCH341AprogrammerandI'vealreadypulleduppin28andattacheditandpin9to3.3v,andtestedthevoltes.Ihethe1.8vhatforit,aswellasaSOP8clip,butthepinsdon'treachbecausethechipisaSMDnoleadfootprint.I'vehad1persontellmethereplacementbioschipthatcanbehadoneBayfor$30isonlytoremovethepassword,andthattheoriginalwouldhetobesolderedbackonafterwards.I'mnot100%comfortablesolderingthatchipoffthenonthenoffthenbackonain.IwastryingtousetheSOP8cliptogetaviableBios... Channel:BIOSRequestsONLY! Yesterday,06:00PM ThinkPadT14sGen1(NM-C891)nopower,Icouldusesomehelpwiththetroubleshooting bymrfree2ita I'mtryingtoreviveaThinkpadT14sGen1thatseemstoheissuewiththepower.PluggingintheUSB-CchargertheLEDonthechargingportdoesn'tlidandnothinghappensifIpressthepowerbutton.Testconditions:boardisoutsidethelaptop,batterydisconnected.ImadeanumberofchecksalreadyandfoundoutthattheThinkEngine(pe94)doesnotsetimportantsignalssuchasM_ONthatenablepowerrailssuchas3vand5v.AfterIverifiedthatonsuchrailsarenotshorted,Ialsoinjected3vintoM_ONandtheboardcomestolife(i.e.chargingportLEDgets... Channel:TroubleshootingLaptops,Tablets,andMobileDevices Today,05:14AM Philipsbdl4835ql bysabre504 Doesanyoneheaschematicfortheleddriverboard715G7262-P03-000-001RLookedallplacesIcanthinkofPaul... 1Photo Channel:TroubleshootingComputerDisplays Today,02:40AM hpspectrex36013-4129nablinkingcaplocknopost byBilly1690 Hiladsimlookingforahpspectrex36013-4129na/serial:5CD6430N9Wbiosdumpfilepleasetosortoutacorruptbiosanyhelpwouldbegreat Channel:BIOSRequestsONLY! 09-01-2024,02:59PM Searchfor:QSCK10.2CircuitDiram&ComponentLayoutOverview byklebendes_etwas Helloeveryone!:-)AnacquaintanceofmineworksasaDJinhissparetimeandbroughtmeadefective[U][B]QSC[/B][/U]activeloudspeaker([U][B]Model:[/B][B]K10.2[/B][/U])forrepair.Errordescription:Thedevicecouldnotbeswitchedon(afterhelentittoanotherDJ).Avisualinspectionrevealedanobviouslyblownfuse(F41)andacrackedthermistor(R41)onthemainsfilterboard.AcloserlookattheamplifierboardrevealedtwodefectivepowerMOSFETS(Q13,Q14)andotherdefectivecomponentsonthe+12VLOWrail.Afterreplacingallthe... Channel:TroubleshootingAudioEquipment Today,04:00PM SearchedFor:IntelDQ77KB-CircuitDiram(AndIfPossibleAlsoTheComponentLayout) byklebendes_etwas Helloeveryone!:-)AfriendofmineaskedmeifIcouldrepairhisparents'defectivePC...Therefore,Ineedthecircuitdiram(andifpossiblealsothecomponentlayout)ofanIntelDQ77KBmainboard.Cananyonehelpmewiththis,byanychance?Thanksinadvance!Solong8203; Channel:BIOS&SchematicRequests! Today,03:26PM SamsungQN55Q70AAFXZAHalfScreenDim byTomC I’mworkingonaSamsungtvformyson.WhenIbroughtithometheleftsideofthescreenwasdim,rightsideok.I’vereplacedtheLEDedgestrips,mainboardandnowthepowerboard.Theonlydifferenceisthatthedimsidehasswitchedfromlefttoright.IstheresomethingelseIshouldbelookingat?I’vealsoreplacedthegroundtape(Faradaytape?)fromtheLCDscreentothechassis.Iprobablyheaweekleftonreturningtheparts.Anysuggestionswouldbeappreciated.thanks. Channel:TroubleshootingTVsandVideoSources 09-19-2024,07:22PM Grundig55GUT8768_55(chassisgf)BlackScreen,powersonandshowsbacklight byclassypenguin Hello,IboughtaGrundig55gut8768_55(chassisgf)asadefect‘blackscreen.NowIhestartedwiththebasics:Fuseintact,LEDTestersays123V,BLCaphas140V,MainboardtoPSU12V,24V,3.3Vand5.2Vareail+able,12Vand3.3VatTCON(TVhasnoseperateTcon)AssoonasIswitchontheTV,itshowsbacklight,butasmallgreylinewhichdisappearsain.WhenItapMenu,thebackgroundlightbecomesbrighter.WhatcanIassumeiswrongwiththeTV?Adefectivemainboard?Orasoftwareproblem?Iwouldbegladofhelp.... Channel:TroubleshootingTVsandVideoSources Today,01:07PM Lenovox390bios32mbbiospasswordunlock bymedinfo AlreadyreadMECchiperazedandfolowedallstepsbutnosuccedstillpassword!!! Channel:BIOSRequestsONLY! Today,11:38AM a1466nopower byArshadalam4659 ihea1466nopowerPPBUS_G3H=8.56vP5VP3V3_VREG3=3.3vPP3V3_S5=0vPP5V_S5=0vSMC_RESET_L=3.3vPP3V42_G3H=3.42vSMC_ONOFF_L=3.3vSMC_BC_ACOK=3.3vSMC_PM_G2_EN=0vitcomesfromsmcissmcbadornotWhatinputsdoessmcneedtogenerateSMC_PM_G2_ENanyonehelp... Channel:TroubleshootingLaptops,Tablets,andMobileDevices Yesterday,04:18AM ViewAll TCloud Collapse acer  apple  asus  bios  biosrecovery  biosunlockrequest  boardview  dell  hpbios  lenovo  macbook  motherboardrepair  nopower  password  samsung  schematicsrequest  surface  thankyou  thinkpad  troubleshooting  Trending Collapse SHARPLC-60LE640Xdisplayflashingwhitenoisepatchesandtotallydroppingoutrandomly bydmcabs Heyguys,IheaSHARPLC-60LE640XTVthathassuddenlydevelopedanintermittentfaultofflashingwhitenoisepatches(appearslikeanAnalogtuneroffsignal)andthentotallydroppingout.ThismodelIbelieveisalsoknownasLC-60LE600UorLC-60LE640Uinotherregions.FYI,alongtimeoIwasacomponentlevelrepairtechforallconsumerelectronicsandITequipment.I'mabitrustybutstillheabilitytodigrightdown.ImeasuredallpowersupplylinesandcheckedthemforACripplevolte.Notinganylinesthatexceededabout... Channel:TroubleshootingTVsandVideoSources Today,11:09AM SamsungQN55Q70AAFXZAHalfScreenDim byTomC I’mworkingonaSamsungtvformyson.WhenIbroughtithometheleftsideofthescreenwasdim,rightsideok.I’vereplacedtheLEDedgestrips,mainboardandnowthepowerboard.Theonlydifferenceisthatthedimsidehasswitchedfromlefttoright.IstheresomethingelseIshouldbelookingat?I’vealsoreplacedthegroundtape(Faradaytape?)fromtheLCDscreentothechassis.Iprobablyheaweekleftonreturningtheparts.Anysuggestionswouldbeappreciated.thanks. Channel:TroubleshootingTVsandVideoSources 09-19-2024,07:22PM SamsungUN65CU8000FChangeboardsettings byEazyBone TheboardinthisTVoriginallyisBNM.Thisisthemodelstraightfromthefactory.WhenIlookthisupitshowsthemodelforthe55-iniswhattheboardshouldbefor.ButImatchedthenumbersandeverythinganditshouldwork.IputthenewboardintheTVandIheasmalllinearoundthebottomleftandbottomandthecolorsareoffIassumetheboardissetupfora55-in.IamcurrentlyintheservicemenubutIdonotknowwheretonigateorhowtochangetheboardfrom55to65.IsthisevenapossibilityandhowdoIdoitplease.... Channel:TroubleshootingTVsandVideoSources 09-19-2024,11:48AM Searchfor:QSCK10.2CircuitDiram&ComponentLayoutOverview byklebendes_etwas Helloeveryone!:-)AnacquaintanceofmineworksasaDJinhissparetimeandbroughtmeadefective[U][B]QSC[/B][/U]activeloudspeaker([U][B]Model:[/B][B]K10.2[/B][/U])forrepair.Errordescription:Thedevicecouldnotbeswitchedon(afterhelentittoanotherDJ).Avisualinspectionrevealedanobviouslyblownfuse(F41)andacrackedthermistor(R41)onthemainsfilterboard.AcloserlookattheamplifierboardrevealedtwodefectivepowerMOSFETS(Q13,Q14)andotherdefectivecomponentsonthe+12VLOWrail.Afterreplacingallthe... Channel:TroubleshootingAudioEquipment Today,04:00PM SearchedFor:IntelDQ77KB-CircuitDiram(AndIfPossibleAlsoTheComponentLayout) byklebendes_etwas Helloeveryone!:-)AfriendofmineaskedmeifIcouldrepairhisparents'defectivePC...Therefore,Ineedthecircuitdiram(andifpossiblealsothecomponentlayout)ofanIntelDQ77KBmainboard.Cananyonehelpmewiththis,byanychance?Thanksinadvance!Solong8203; Channel:BIOS&SchematicRequests! Today,03:26PM Grundig55GUT8768_55(chassisgf)BlackScreen,powersonandshowsbacklight byclassypenguin Hello,IboughtaGrundig55gut8768_55(chassisgf)asadefect‘blackscreen.NowIhestartedwiththebasics:Fuseintact,LEDTestersays123V,BLCaphas140V,MainboardtoPSU12V,24V,3.3Vand5.2Vareail+able,12Vand3.3VatTCON(TVhasnoseperateTcon)AssoonasIswitchontheTV,itshowsbacklight,butasmallgreylinewhichdisappearsain.WhenItapMenu,thebackgroundlightbecomesbrighter.WhatcanIassumeiswrongwiththeTV?Adefectivemainboard?Orasoftwareproblem?Iwouldbegladofhelp.... Channel:TroubleshootingTVsandVideoSources Today,01:07PM ThinkPadT14sGen1(NM-C891)nopower,Icouldusesomehelpwiththetroubleshooting Les méchants. Forum Web bymrfree2ita I'mtryingtoreviveaThinkpadT14sGen1thatseemstoheissuewiththepower.PluggingintheUSB-CchargertheLEDonthechargingportdoesn'tlidandnothinghappensifIpressthepowerbutton.Testconditions:boardisoutsidethelaptop,batterydisconnected.ImadeanumberofchecksalreadyandfoundoutthattheThinkEngine(pe94)doesnotsetimportantsignalssuchasM_ONthatenablepowerrailssuchas3vand5v.AfterIverifiedthatonsuchrailsarenotshorted,Ialsoinjected3vintoM_ONandtheboardcomestolife(i.e.chargingportLEDgets... Channel:TroubleshootingLaptops,Tablets,andMobileDevices Today,05:14AM LENOVOBIOSAUTO-PATCHERforSupervisorPasswordRemoval byKnucklegrumble [URL="/filedata/fetch?id="]lenovo_autopatcher_0.2.zip[/URL]Helloeveryone!InthepastseveralweeksI'velearnedalotfromthisforumanditscommunityespeciallyfromallthefolkswhocontributedto[URL="/forum/showthread.php?p="]THIS[/URL]threadWithsometrialanderrorIwasabletoreliablypatchBIOSdumpsforSVP-lockedLenovomachinesuptothe8thgenerationusingtheinfo,tools,andfilesprovidedonthisforum.AftersomepracticeandpositivefeedbLes méchants. Forum WebackfromusersIhelped... Channel:BIOSRequestsONLY! 08-13-2020,10:04AM Lenovox390bios32mbbiospasswordunlock bymedinfo AlreadyreadMECchiperazedandfolowedallstepsbutnosuccedstillpassword!!! Channel:BIOSRequestsONLY! Today,11:38AM a1466nopower byArshadalam4659 ihea1466nopowerPPBUS_G3H=8.56vP5VP3V3_VREG3=3.3vPP3V3_S5=0vPP5V_S5=0vSMC_RESET_L=3.3vPP3V42_G3H=3.42vSMC_ONOFF_L=3.3vSMC_BC_ACOK=3.3vSMC_PM_G2_EN=0vitcomesfromsmcissmcbadornotWhatinputsdoessmcneedtogenerateSMC_PM_G2_ENanyonehelp... Channel:TroubleshootingLaptops,Tablets,andMobileDevices Yesterday,04:18AM ViewAll CoolBlue -Dark CoolBlue English(US) Deutsch(Du) English(US) French Spanish AboutUs ContactUs Privacy TermsofService Gototop Badcaps-ElectronicsRepairForum&SchematicSearch AlltimesareGMT-6.Thispewasgeneratedat05:18PM. Working... Yes No OK OK Cancel X window.vBulletin=window.vBulletin||{}; vBulletin.version='5.7.5';