White horizontal lines across top of tv screen
Our 6 year old 20 in. JVC TV set (model 20F243) has a band of white horizontal lines across the top of the screen, starting from the very top and coming down about 2.5 inches. The lines are very thin, quite close together, and straight (not wavy). They donÂt totally block the upper portion of the picture, but itÂs annoying to look at.
Any thoughts as to what might be the cause? TIA!