Question about Vizio VP422 42 in. Plasma TV
We had an electrical storm last night, now when you plug the tv in it clicks twice and goes off. I can see a green led in the back.
The main power supply , which is somewhat active even when the set is 'off,' is damaged.
With luck (a lot of it) it may have gotten enough spike to cause one of the (few) protective parts to fail, rather than serious damage having resulted.
Leave the set upplugged for at least hours (overnight is better) to allow certain components to discharge and remove the back panel from the set. Look for obvious signs of burning/damage and possibley a fuse.
There is a part that limits peak voltages coming in from the AC line that often explodes when hit hard; if not in pieces, it is a disk-like device, mounted vertically with leads coming from the sides or bottom of the disk. If you see only two wires sticking up and going nowhere, that is where the part once was and the damage is probably severe enough to make replacement of the supply necessary and this may not be the end of the repair.
Posted on Jul 26, 2009
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Posted on Jan 02, 2017
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