Question about Vizio GV42L 42 in. LCD Television

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Picture but no sound on my Vizio L37 Flat Screen

I was watching y Vizio L37 when the sound went out. I thought it might be because the home theater surround sound system had a problem but I can not even get sound through the TV when I disconnect the surround sound system. I was watching tv, the picture blacked out and came back as white snow.

The picture came back, but no sound.

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  • gmyles1 Mar 14, 2009

    No sound on my 32" flat screen Vizio, DVD player , Cable PS2...



    Picture but no sound

  • Anonymous Mar 22, 2009

    After owning a 42" Visio TV for about a year, the sound just stopped working. I've tried everything, and occasionally it starts working, so I know its not the settings. I now have speakers hooked up through the DVD player so I can hear it, but wish the sound would work through the TV.

  • Anonymous Apr 05, 2009

    Lack of sound may be related to the headphone jack. If you have used the jack it may not be making consistent contact when the miniplug was removed having distorted the contacts in the jack.

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I had the same thing just happen and I used the following instructions from the Vizio Website for "humming sound" on tv and it worked. My sound is now working!!!!

1- Power off TV

2- Unplug TV from outlet

3- Press and hold in the power button on the TV for 30 seconds (while it is unplugged from the wall)

4- Release the power button

5- Plug in the TV into a different outlet

6- Power the TV back on.

Reset the TV settings.

Posted on Dec 15, 2010

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Ok you were waching tv with the surron sound hooked up and you said the surrond sound had a problem i think this is wat happen the tv came back with snow did you check the channels to see if it was snow on all channels ok the surrond sound caused a problem with the tv so maybe if you have thhe book for the tv i thyink when you disconected the surond sound it shut the tvs speakes off ok werew you seeing a picture before this happen if so oonly way it would ig it was hucked up whith HDMI then if so then the tv would tun back to the original settings with out the surrond or hdmi all you have to do is unplug you tv for 5 minutes turn it on and see without the surrond sound and there is one more posibilitie mabe the surrond sound caused a proplem in there tv and something in the 5tv might be messed up

Posted on Jan 29, 2009

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SOURCE: Picture but no sound on my Vizio L37 Flat Screen

i have a 50 in vizio and the sound just went out. the picture still works but no sound anyone have any ideas on how much to repair it?

Posted on Oct 11, 2009

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Posted on Jan 02, 2017

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1 Answer

I have a Vizio L37. When I turn on the TV it works perfectly after about 3 minutes the screen goes to green (no picture). However I still have the sound.


My first guess would be your t-con board. The t-con board is the one that transfers teh picture from your signal board to your screen. My second guess would be the siganl board is bad.

You can get parts at www.interliquidparts.com

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sounds like its simply just your tv's auto screen saver or another program along those lines its helps prevent burn in and other issues caused by leaving your tv with still images ok :) dont fret

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Sounds like a backlight problem. Next time the picture goes out, try using a strong light next to the screen. Do you see a faint image? That means your lamps have turned off. May be bad power supply to them, an inverter board problem or a bad lamp. Unless you are a tech, it's a repair shop issue.

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The first step would be to switch the inputs and see what you get. If that does not work then let me know and I will help with the troubleshooting.

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I haven't had any problems with my VIZIO, but I have had several really good experiences with their service people, so I would recommend calling them up. They have great product guaranty and if for whatever reason you got a defective item I'm sure they'll help you out.

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