Question about Vizio Gallevia GV42LF 42 in. LCD Television

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The LCD screen is dark with no sound or picture when turned on.

The LCD screen is dark with no sound or picture when the Vizio is turned on. The Vizio logo front light display turns on along with the highlighted menu touch display (volume -, +, channel -,+ and on/off). This touch display remains permanently on instead of fading out like it normally does. We have checked and secured all of the cords, hdmi cables and all were connected correctly. We have unplugged the VIZIO for 24 hours and turned it back on today and still to no avail no picture is displayed or sound comes through.
Help! What do you recommend as our first initial check or action?

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I had the same problem after having a Vizio for 2 and a half years. I left the room for a minute, i came back and the screen went black. There was still power to the unit and you could see that the back light was working, just no picture, no sound, and you couldn't use any of the buttons. The only way to turn it off was to unplug it. It would then start up, with the Vizio logo going from orange to white, and then do the same thing all over, no pic or sound.

HOW I FIXED MINE:Look through the back vents for a white light to make sure the backlight still works. I ordered a new "main PCB" from tigerdirectparts.com (you can also use searspartsdirect.com). This is the circuit board with all of the inputs on it (hdmi, cable, etc.) I opened it up, disconnected the old one, put in a new one and now it works fine. I used both serial numbers on the board to search for it online. It cost me $144 to do it, but that's better than $450 for a new TV. My tv is the vx32l hdtv10a. I hope that helps.

For me the part number was either (depending on the vendor) : 0171 2272 2174 or it was 3632 0212 0150. Check your circuit and see if any of those numbers match up.

Posted on Jan 22, 2010

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Posted on Jan 02, 2017

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