Norcent Technologies PT4231 42 in. HD-Ready Plasma Television "second hand dont move watch" Questions

...second hand. Basically, after watching it for about 2 hours, I get 5-6 vertical red lines. They are very sporadic, and it looks like red pixels are moving around forming lines. I'm sorry for long ...

...second hand. Basically, after watching it for about 2 hours, I get 5-6 vertical red lines. They are very sporadic, and it looks like red pixels are moving around forming lines. I'm sorry for long ...