Solved! Vizio board replacement.

[Jjack1298]

My 50" Vizio will power on to the logo screen. After a few seconds, it will shut down. The white standby light will slowly fade off. My question is should I replace the power board or the main board first?

 

[americanaudiophile]

Check with
www.shopjimmy.com
They sell replacement boards and are very helpful.