Re: Vizio VW42LFHDTV10...Brother Mikes TV...

I have just repaired a 42" Vizio with the main board part # 0171-2272-2365. The symptom was that the Vizio logo would turn to white when powering on, but then it was frozen, no pic/sound, had to pull the power plug.
The problems with this board are usually these 3 voltage regulators:

U7, U9, U33

They are all the very same regulator, best place to find them is Digikey part number 497-1229-1-ND. There are many other equivalents. Sometimes they will blow the F1 (3 Amp) or F2 (5 Amp) SMD Fuse as...