I have a Vizio plasma TV model P50HDTV20A that has experienced the pop of death. No, I can't return it. The audio works fine and the TV responds with the remote but I get no picture and no backlight. I have replaced the buffer boards and ran the TV for about ten minutes on these boards. I believe the problem is the Y-Main board on the TV. My question is do I need to buy new buffer boards when I replace the Y-Main board? If so is there anyway to check if my buffer boards have actually gone bad?
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