TV is P-42HD vizio plasma, type: sp42A vizio HDTV manufactured march 05. Picture when turned on comes up and immediately fades to black in about 2-3 seconds, you hear a click and tv picture reappears and repeats fading again. cycle takes about 5-6 seconds. Audio is not affected and continues throughout this cycle. I am wondering which module or board needs to be replaced. Have TV at Local TV repair (Alans TV in Bay City Michigan) who is reccomended on FixYa. He says no service manuals available. If I can get the part he can install it. Parts available at Vance, just need to know which one to get. Any help would be appreciated.
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