technician bulletin- iphone troubleshootingodrepairservices.com/wp/pdf/iphonetroubleshooting.pdf ·...
TRANSCRIPT
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Technician Bulletin
iPhoneTroubleshooting Home/PowerReset:IfanAppledevicedoesnotpoweronorfunctionproperlybeforeorafterrepair,holdingthehomeandpowerbuttonsuntiltheApplelogoappearswillsoftresetthedevice.Thiswillresolvemostsoftwareandhardwaremalfunctionissues.
Disconnectbattery:Ifadevicedoesnotrespondorpoweronduringtestingorafterrepair,disconnectthebatteryofthedevice.Thiswillforcethedeviceoffandshouldresolvethenoresponseissue.Ifthedeviceisnotabletobepoweredoffpriortorepairusingthestandardbuttonmethod,thebatterymayalsobedisconnectedtopowerthedeviceoff.
HoldingHomeandPowerButtons
DisconnectingiPhoneBattery
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Partstesting:Allpartsshouldbetestedpriortofullinstall.Testingthepartwillhelptoavoiddelayingtherepairandtoidentifythatthepartisfullyfunctioning.Ifthepartisfullyfunctioningduringtestingbutnotaftercompleteinstall,itismostlikelythatthepartwasdamagedduringinstall.Ifapartpresentsanissue,beforemarkingasdefectivepoweroffthedeviceordisconnectbattery.Reconnectthepartandandbatteryandre-test.Themajorityofpartissuesarecausedbyimproperconnectiontothelogicboard.
Crosscheckingparts:Ifapartshowsissuesduringtestingandmultipleconnectionattemptshavealreadybeenmade,testasecondparttocrosscheckfunctionality.Ifthesameissueresultsonthesecondscreen,theissueismostlikelybeingcausedbythelogicboard.ContactWerxTechniciansforfurthertroubleshooting.
CrosscheckingiPhone5SScreens
TestingPartsPriortoFullInstall
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Alignmentissues:Partsthatreceivedataviacontactpointssuchastheearpiecespeakerandloudspeakermaynotfunctionifnotproperlyalignedduringinstall.Alwayscheckalignmentandcontactswhenexperiencingissueswiththeseparts.Checkbracketsthatholdthesepartsinplaceandverifythattheyarenotsittingcrookedafterinstall.Camerasandsensorssuchastheproximityandambientlightsensorfunctionviaclearopeningsinscreenorframe.Ifthesepartsarenotalignedproperlyafterinstall,theymaynotfunctioncorrectly.Checkalignmentofthesepartspriortoreplacement.Oncecorrectalignmentisverifiedandmalfunctionstillresults,testanewparttocrosscheck.
AlignediPhoneFrontCamera
AlignedEarpiecespeakerwithcontactspriortoscrewinginbracket
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DamagedFlexCables:Flexcablesthatareadheredmaytearifhandledroughly.Lowlevelheatshouldbeappliedtothescreensideoftheflexcabletorelease.Ifheatisnotused,toomuchforcewillberequiredwhenpryingflexcablefromdisplay.Neverpullonflexcablesduringremoval.
UsingtheheatguntoreleasetheiPhone6frontfacingMic
CarefullypryingupearpiecespeakercontactsoftheiPhone5Sfrontfacingcamera
UsingtheheatguntoreleasetheadheredbackflexconnectionoftheiPhone6