- 142 -Picture - ContinueWhy 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?● The panel is made up of a few million pixels and is produced withadvanced technology through an intricate process. Sometimes a fewpixels may be bright or dark.● These pixels do not indicate a defective panel and will have no impact onthe 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
