I just purchased a television (42", 1080p, 120hz, NS42L550A11) and the HD channels work but the regular cable channels have a line going across the top of the screen. The blu-ray works great but as soon as I switch to cable I get a line going across the top of the screen. How do I get rid of this line or has anyone else experienced this problem? My cable box is set to process 480p to 1080i channels and when it switches to 480p it shows this line.
