Sounds like a bad picture tube or a bad CRT driver board. I have seen many of these sets and they are not that expensive. Most of the time I have encountered this problem, it has been a bad picture tube. It is most likely time for a shopping trip I'm afraid. Good Luck
Sounds like a bad picture tube or a bad CRT driver board. I have seen many of these sets and they are not that expensive. Most of the time I have encountered this problem, it has been a bad picture tube. It is most likely time for a shopping trip I'm afraid. Good Luck