And they'll rarely diagnose it from an email or web page. The moving line does not suggest it's that issue.
Samsung LNT-4661f. I have Vertical lines on the whole screen with or without anything plugged in the inputs on the tv. They are evenly spaced and more of a white color. More noticable on a black back ground. Even when I open a menu on the TV. At the same time there is a horizontal space that does not have the lines and shows the picture perfect. This horizontal section slowly moves from the top to the bottom and repeats. I am leaning towards the timming control board. Any one seen this before?