Samsung PA43H4100AR - Visual Troubleshooting Examples

4.Troubleshooting
4.2.4.ExampleofTroubleShooting
SymptomRelatedImageCausesandCountermeasures
Ablankverticalcell(block)appears
onthescreen.
Addressbufferdefect.
•Replacethecorrespondingupper/lower
buffers(E/F).
COFFilmdefect(burnt).
•Replacethemodule.
Agreenscreenappearswhenthe
TVisturnedon.
TheScaleisnotreseting.
•ReplacetheMainBoard.
TheOSDboxappearsbutthereis
nottext.
Incorrectprogramversion.
•ReplacethecorrespondingUpper/Lower
buffers(E,F).
Ablankupper(orlower)block
appearsontheScreen.
Upper/LowerYbufferdefect.
•ChecktheversionofeachProgram.
•ReplacetheMainBoard.
Eitherthemainorsubpicturedoes
notappear.
RepacetheMainBoard.
Agreendotsappearsonthescreen.TheSMPSvoltageisincorrect.
•AdjusttheSMPSvoltageaccordingtothe
voltageprintedonthemodulelabel.
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