Samsung PS43E400 - Troubleshooting and Service; Troubleshooting Overview

4.Troubleshooting
4.Troubleshooting
4.1.Troubleshooting
4.1.1.FirstChecklistforTroubleshooting
1)Checkthevariouscableconnectionsrst.
•Checktoseeifthereisaburntordamagedcable.
•Checktoseeifthereisadisconnectedorloosecableconnection.
•Checktoseeifthecablesareconnectedaccordingtotheconnectiondiagram.
2)CheckthepowerinputtotheMainBoard.
3)HowtodistinguishiftheproblemiscausedbyMainboardorLogicBoard.
•NoVideo:IftheproblemisNoVideobutLogicBoardisonandIndicationLEDisblinkingrepeatedlyand
fasterthannormalbooting,replacetheLogicboard.
•DistortedPicture:Checktheinnerpatterns.
InnerpatternPictureProblem
OKNGMainBoard
NGNGMainorLVDScableorLogicBoardorPanel.
•Howtocheckinnerpattern?
a.Factorymode
b.MovetoSVCmenu.
c.MovetoTestPattern.
d.Checkinnerpatterns.(ThismodelonlysupportFBE,READPRE,READPOST)
4-1Copyright©1995-2012SAMSUNG.Allrightsreserved.