Sony bravia lcd screen turns white sony bravia lcd screen turns white it is connected to a cable box comcast and a bluray.
Sony tv white screen.
If you don t see them appear on your tv it s telling us the tcon is blocking that signal from appearing on the tv screen.
Usually when you get an all white screen or one with vertical lines on the screen that usually points to a dead tcon board.
If the clock on your tv doesn t match the time of your internet server the tv can t download pictures and it displays a white screen instead.
A quick test to try activate the tv s menu or the volume bar or any onscreen displays.