Picture - Continue
Why is there a black box on the screen?
●● Check the settings of Closed Caption (CC).
Why do some small spots on the screen remain bright or dark?
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The panel is made up of a few million pixels and is produced with advanced technology through an intricate process. Sometimes a few pixels may be bright or dark.
These pixels do not indicate a defective panel and will have no impact on the performance of the TV.
Why is the picture brightness changing?
●● Turn the C.A.T.S. feature off.
MENU 
Menu > Picture > C.A.T.S.
Why does the screen turn off?
●● Check if the TV is in energy saving mode.
Convenience features > Eco navigation > Eco navigation
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