Just did a quick search on your plasma... Looks like it's a more common problem with that particular version. People complaining about it and some other versions of that Panasonic plasma. Some folks say a proper burn in prevents it, others say that didn't matter. But lots of people are complaining about IR (image retention) on yours. Hope you can get it resolved though. Definitely sucks to have such a nice set only to have it practically ruined with IR.