Use Panasonic web guide to understand what the blinking red code light is. Example 7 blinks means the driver is being updated. If I had followed advice on here and quora I would have purchased a new tv or spare parts. Using the Panasonic guide I saved the $10000 plasma TV replacement cost for the cost of waiting for the update. https://www.scribd.com/document/51518232...-Codes-Plasma Update (10/18/24): You don't have a plasma TV, it's a LED TV needing replacement of the white LED strips in the back. Cost same as replacement unless you do it yourself for *2-3 dollars LED TV VIERA^(®) TH-L55ET60: Picture QualityDisplayPanelIPS LED