Question about Vizio GV47LF Television

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Vizio GV47L not turning on after a pop noise

I have a Vzio GV47L LCD tv. We bought this about 13 months ago. The other day when it was on and working fine a loud pop noise came from the TV and the screen went black. I couldn't turn it off or all controls didn't work. The only way I was able to turn it off was to disconnect the power. I waited a few minutes and plugged it back in. I went to turn it on and it seem to come on as before but atfer the initial click with the touch screen buttons lighting up it locks up and nothing else happens. No control operations at all, just the touch screen buttons lit up and a black screen with no sound. Can anyone help please? I am very mechanically inclined (30yrs German car mecanic) so I'm not afraid to get into this.

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  • vze4kfcc Feb 15, 2009

    Thanks but I found on another post site what the problem was and I performed the fix. It was a blown fuse on the main board(not a removable fuse. soldered in place). It only cost me about 3 bucks and a little time and now it's fixed and running again.

  • baberboyz Feb 22, 2009

    are you talking about the main 8 amp fuse on the power board or the mother board fuses f-1 thru f-4 (where f4) is not showing to be used?

  • 4zakaren Mar 31, 2009

    Wow, you described our "just past the warranty period" problem on our Vizio. Unfortunately, we're not a savvy as you, so don't have a clue how to go about getting into the TV and replacing a fuse that's soldered into place.

    Vizio has offered NOTHING. Next: on hold with Sears repair, then to a someone who was extremely stupid, thus non-helpful. We'll try again tomorrow. It is beyond frustrating to have spent such money on a TV which, yes, has provided much entertainment... but, a fix should really be easier than this!!!!!!! It really should! Online, Sears can schedule us two weeks from now for a $100.00 look and see what else it would cost to repair.

  • cbauter May 11, 2010

    where was the fuse? I see the main fuse "f1". Thanks


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Check your power board, most likely that's the part that is causing the problem.

Posted on Feb 09, 2009

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Check the 3 little white parts in the right corner with copper end 1.5 ,1.5 and 3.0 i replaced mine and the tv work fine

Posted on Oct 19, 2009

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SOURCE: Vizio GV47L not turning on after a pop noise

This exact thing happened to me on June 1, 2009. Identical pop, same with the power cord. No operational values. Was the problem the power supply or the inverter, or both/ something else?

Posted on Jun 18, 2009

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You have to remove the heatsink to see the caps under it.
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2 Answers

Vizio GV47L not turning on after a pop noise

screen went black due to power supply failure. check also inverter.

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This TV has 2 main circuit boards (2 LCD backlight controlers): the Power Supply board may have fried the video board on it's way out ...
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I had this same problem. Vizio sent someone out to replace the motherboard. It didn't fix the problem. Since it was under warranty, they replaced it with a newer model VU42L. Doesn't have this problem, but it has others.

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