Re: Vizio E390i-A1 (Blank screen, sound works, backlight works)

I had the same problem on my Vizio VW32LHDTV10A

Problem lies on the main board, specifically the voltage regulators used by the manufacturer (U8 for example), these are notoriously bad parts and go on the fritz and do not allow the proper amount of voltage to flow correctly. Sound will work as well as the backlight but ultimately there is no picture. I had this problem intermittently for 6 months. I did everything I could and did not want to spend the $50 to replace the board. I even replaced capacitors...