Re: Vizio SV470M Standby, no power on, troubleshooting trouble

This is the exact problem I am having right now with the SV470M. Orange light is on but won't power on. I checked my voltages on the power supply board and got pretty close to what you are reading. Mine started to flicker on and off at a low frequency then all of a sudden cut out and wouldn't turn back on.

I updated your original post below with what I got for readings:

On the powerboard:
I have standby 5v from the three "ST/+5V" tabs on the powerboard to the main.
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