SOURCE: SVA HD4208TIII-PDP
Here is the cheapest place to find the board.
You Need a new Power Supply, part # LJ44-00025A
buy it here for $139 http://www.adc-ast.com/
I have my tv working like new.
If you want this time the power supply last, do not turn off, just press tv/video button to switch input source, let the tv in sleep mode.
Usually answered in minutes!