I have the same problem and was told that I needed a new convergance chip. They told me who deals in the problems where I live, (TV Repairman) It will cost me 300 for a six year chip and 350 for a life time chip! I was told by the repairman that these chip only last up to 6 years if they are not lifetime. I see alot of this same problem going on right now. These tv were manufactured in 2001, but no one was ever told that these chip would need to be replaced in so few years after spending all that money on the TV. Pasonic would not tell me the price of the chip nor how to get one,were very unwilling to help with the problem other than telling me who do go to locally, so you would have to go thru a tv service where you are.