Question about Vizio M420SL 42 in. HDTV
While watching tv or dvd screen goes black after a few minutes, sometimes after a few seconds of turning on. I can still hear full audio but no picture. Changing the channel or switching inputs does not help. I have also had the tv unplugged overnight and still the same promblem.
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Posted on Jan 02, 2017
I had a similar 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. I didnt hear an arcing sound though.
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. I would check the ceramic fuse first on the board that gets power from the plug.
HOW I FIXED MINE: 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.
Posted on Jan 22, 2010
LCD's use a colorful crystal see through display which only visible when light is shining through it. if you have sound and no picture it's always a faulty PSU. Very easy to change out actually.
Posted on Mar 27, 2010
if you have comcast you can use your remote to change the tV program from cabke to DVD then change it back to cable. your image should come back.
Posted on Apr 24, 2010
SOURCE: HAVE A VIZIO GV47L. NO
I received a VIZIO VA220E from my kids Christmas 2009 for my kitchen. Kitchin finished and TV wall mounted in April 2010. About 6 weeks ago I was not able to turn on in AM after watching the night before. BLACK SCREEN / NO AUDIO.
Posted on Apr 11, 2011
SOURCE: tv wont go past the start screen
I have the exact same problem and am seeking a solution too ... it won't boot past the Vizio logo on the screen and the remote and side buttons won't work :(
Posted on Apr 18, 2012
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