Samsung PA43H4100AR - Troubleshooting and Adjustments; Basic Troubleshooting Procedures

4.Troubleshooting
4.Troubleshooting
4.1.Troubleshooting
4.1.1.PreviousCheck
1)Checkthevariouscableconnectionsrst.
•Checktoseeifthereisaburntordamagedcable.
•Checktoseeifthereisadisconnectedorloosecableconnection.
•Checktoseeifthecablesareconnectedaccordingtotheconnectiondiagram.
2)CheckthepowerinputtotheMainBoard.
3)HowtodistinguishiftheproblemiscausedbyMainboardorLogicBoard.
•NoVideo
IftheproblemisNoVideobutLogicBoardisonandIndicationLEDisblinkingrepeatedlyandfasterthannomal
booting,replacetheMain/Logicboard.
•DistortedPicture:ChecktheLogictestpatterns.
LogictestpatternPictureProblem
OKNGMainboard.
NGNGModule(Panel/Logic)orMainboard.
H/WLogictestpattern
•HowtocheckLogictestpattern?
a)EnteringFactorymode.
b)MovetoSVCmenu.
c)MovetoTestPattern.
d)MovetoTestPattern.
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