It sounds like a horizontal-phase problem but sure it's more than that,
addle:.
Several questions to ask to help diag:
1. Is Menu display ok?
2. Which input sources(ANT, componet,composite etc) do you use when it happens? Or just any of them.
3. When a vertical white line runs, does the picture shift with it?
Several questions to ask to help diag:
1. Is Menu display ok?
2. Which input sources(ANT, componet,composite etc) do you use when it happens? Or just any of them.
3. When a vertical white line runs, does the picture shift with it?