Không. trực thăng

Về 1000~20000

568

Thảm họa là vô tận. khó thành công khốc liệt

1

54.236.170.85

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LatestTopics Collapse CANONPIXMAG3410NEEDGOODDUMP bypolytek Hi,friens;ineedfirmwareforthisprinter;canonpixmag3410:pcb=qm4-5420 Channel:TroubleshootingPrinters,Copiers,ScannersandotherIming&PrintingDevices Today,09:25AM ClevoN130BUBios&EC bymermel HicanyouhelpmewithabiosandecforaClevoN130BUThanks...​ Channel:BIOSRequeKhông. trực thăngstsONLY! 09-18-2024,09:54AM AsusPrimeB450M-Astartsonlywhen12v8pincpuplugdisconnected byarabex21 Helloeveryone.Ihebeenreadingthisforumforalongtime-Ireallyappreciatetheamountofveryinterestingmaterialsandinformationinthefieldofelectronics.Iheaproblemwiththisconfiguration:ASUSPRIMEB450M-ARYZEN1300X(IreplaceditwithATHLON200GE-thesamebehior,theprocessorsarefunctional,testedonanotherboard)Whentheentiresetisinstalled(CPU,RAM,ATXconnectorand12V8pinCPUplug),theboardstartsupforawhile(about1-2seconds),theCPUfanstartsandtheboardturnsoffimmediately.WhenIdisconnect... Channel:TroubleshootingDesktopMotherboards,GraphicsCards,andPCPeripherals 09-19-2024,03:05AM MacbookA2338-ANopower bytommy97 Higuys,I'mhingproblemswith-A,tostartwithmacbookcamewithliquiddame,Icleanedtheboard,anditworked,howeverfanwasonthefullspeedfromthestart.Afterwhilestopswitchingon,stuckon5V0ampdraw.PPBus_AON1vReplacedCD3217-bothastheywereliquiddamed.ReplacedISLCheckedcurrentsenseresistorsnexttoISL,valuesinorder.R5221—1.00ΩR5222—1.00ΩR5261—1.00ΩR5262—1.00Ω[B]PP3v8_AON[/B]​-missingaswell_ENismissingPPDCIN_AON_CHGR_R5.17V... Channel:TroubleshootingLaptops,Tablets,andMobileDevices 09-17-2024,04:10AM powersupplyampsdoesnotread byRichBon [B]HPENVYx360-15-dr1017tx[/B]​ihetheseboardwhichwhenturnonpowerlightsonbutampsvoltis000[B]HPENVYx360-15-dr1017tx[/B]​ihetheseboardwhichwhenturnonpowerlightsonbutampsvoltis000 Channel:TroubleshootingLaptops,Tablets,andMobileDevices Yesterday,01:14PM 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 FNIRSILCR-P1ComponentTester? byCapLeaker Iwonderifanyonehasthistesterandifit'sanygoodorifit'sjustahalf@$$edjob? Channel:EquipmentUse,Soldering,Techniques,andReviews 09-17-2024,06:03PM 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 Problemwithpowerinverteremc18aecn1ofwashingmachineAEGL6FBA674 bystomanata Hi,onmypreviouspostwithhelpfromthisforumifoundshortcircuitGIF5CH60TS-XIreplaceitbutaingivemeerrorforcurrentover16A.Imeasureainandfoundshortcircuitbetween#15and#16(CinandGND).OnPCBiremoveR121tocheckinwhichdirectionisshortcircuit.Butthispingoedtobigcopperpieceonbackside.SoitrytomeasureovereveryresistorandcapacitorButican`tfindanyshortcircuit,OnexamplecircuitofGIF5CH60TS-XislabaledthatCincangoestoGNDinsomecases:1.ThroughCSF(idon`tknow... 2Photos Channel:TroubleshootingAppliancesandotherHouseholdElectronicStuff 09-15-2024,02:06AM HelpIdentifyingComponentQ2-Millerd302K3+12DieselEngineDrivenWelder byjgusta Hello,IamtryingtoidentifyadamedcomponentonaMillerd302K3+12DieselEngineDrivenWelderVolteRegulatorboard.TheboarditselfislabeledAssembly#.Theboardismodularbutcan'tfindaneasyreplacement.ThereisacomponentthatisdamedthatIcannotidentifyduetoitbeingdamed.ItismarkedasQ2ontheboard.I'veincludedalinktothetechnicalmanual,butitdoesn'tgivemuchdetail,atleastnonethatIcanunderstand.Cananyonecouldhelpmeidentifythiscomponent?I'vetriedtogetasgoodofapictureofitasIcan.... 4Photos Channel:TroubleshootingPowerSuppliesandPowerSupplyDesign Today,12:03AM 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 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 SamsungUN65CU8000FChangeboardsettings byEazyBone TheboardinthisTVoriginallyisBNM.Thisisthemodelstraightfromthefactory.WhenIlookthisupitshowsthemodelforthe55-iniswhattheboardshouldbefor.ButImatchedthenumbersandeverythinganditshouldwork.IputthenewboardintheTVandIheasmalllinearoundthebottomleftandbottomandthecolorsareoffIassumetheboardissetupfora55-in.IamcurrentlyintheservicemenubutIdonotknowwheretonigateorhowtochangetheboardfrom55to65.IsthisevenapossibilityandhowdoIdoitplease.... Channel:TroubleshootingTVsandVideoSources 09-19-2024,11:48AM BIOSREQUESTFORASUSG713Q byGB1999 ASUSG713Q-RK4168TSN:MBNRKDEPROBLEMSTUCKONLOGOTHANKSINADVANCE... Channel:BIOSRequestsONLY! TodKhông. trực thăngay,07:09AM 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 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 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.AftersomepracticeandpositivefeedbackfromusersIhelped... Channel:BIOSRequestsONLY! 08-13-2020,10:04AM Omen17-cb1176ngBIOSF.44Rev.A-INVALIDCMOSCHECKSUM-needolderbios byHw31 lookingforanolderbiosversion.preferablyversionwhichisflashableviahpbiosrecovery.THX! Channel:BIOSRequestsONLY! Yesterday,09:20AM Twocomputersononemonitorandviewbothofthematthesameexacttime bysam_sam_sam IdonotnecessarilyhetocontrolthekeyboardormousebecauseIcandothisoneachcomputernowIjustneedtohethedisplayofeachcomputerononemonitorscreenIstheresuchamonitororadevicethatcandowhatIheinmindIamnotsureifthisistherightforumforthiskindofquestionifnotcanyoupleasemovetothecorrectforumthanks... Channel:TroubleshootingComputerDisplays 09-18-2024,06:55AM Batterynotchargingideapad3-15ITL6aftershorterepair bypc_okay Helloguys,Ihethislaptopcomingfornotstartingatal.TherewasashorteonacondoonB+circuitnearPJ100.(pleasefindshematicattached)[SIZE=18px][COLOR=#8e44ad][B]Linktoschematic[/B][/COLOR]-->[/SIZE][URL]/forum/troubleshooting-hardware-devices-and-electronics-theory/troubleshooting-laptops-tablets-and-mobile-devices/schematic-requests-only/-lenovo-ideapad-3-15itl6-nm-d472?p=#post[/URL]​Problemsolvedbyremovingit.Butnowthelaptopisnotcharging...It'sworkingonbatteryand/or... Channel:TroubleshootingLaptops,Tablets,andMobileDevices 09-19-2024,08:30AM imac21.5820-3126-A2011dontpoweron bySAFC Thedevicewasbroughttomeafterself-cleaning.Afterreplacingthethermalinterfaces,theiMacstoppedturningon.Whiletheclientwasrummingaroundinit,hetouchedthepowersupplywiththeprocessorradiator,afterwhichtherewasabang.Iexaminedthepowersupply,replacedtheburnt-outZenerdiodeZD36andthePWMcontrollerDAP017.Nowtherearestandby12and4voltsWhenconnectingtheboardtothepowersupply,autostartoccurs,onlyLED501lightsup.Thecoolerstartstorotate,afterhalfaseconditstopsandsooninacircle.Forthesehalfa... Channel:TroubleshootingDesktopMotherboards,GraphicsCards,andPCPeripherals Today,05:20AM ViewAll CoolBlue -Dark CoolBlue English(US) Deutsch(Du) English(US) French Spanish AboutUs ContactUs Privacy TermsofService Gototop Badcaps-ElectronicsRepairForum&SchematicSearch AlltimesareGMT-6.Thispewasgeneratedat09:30AM. Working... 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