Toshiba 42HDX82 42" Rear Projection HDTV-Ready Television "snowy picture watching dvd" Questions

...snowy and have to turn it off and back on to get the picture back and the sound. Some times it does it right after you turn it on, and then times it will go all day and no problems, then it other day ...

...picture had gone snowy for a few moments; thought Cable Company was having trouble with that channel only because we dropped down a channel and it was OK, then back to CSI and the picture was fine. ...

...picture keeps coming up not clear, but snowy looking and fuzzy..... i checked the cable outside to make sure the cable was not damaged and it checked out good... i put a dvd in the dvd player to make ...