Question about Vizio L30WGU 30 in. HD-Ready LCD Television

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Picture goes black, but audio stays on ????

Have a vizio 30"... its about a year and a half old. Just today it starting acting up. after about 15 or 20 minutes of being on, the screen would just go black. The sound would remain on. the unit is not hot or making any strange noises. Have been told it could be my cable box (comcast), so I resent it as I was told.... Still happens. Any suggestion ??? Don't want to just replace it without trying all options. Thank you to all.

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  • frank2198 Nov 13, 2007

    while watching my visio, i changed channels and suddenly picture went black but audio stayed on. Even after connecting the cable directly, still picture was black, audio on. Called vizio, given a phone number that is always busy. I would like to find a repairman in new york city.

  • Negron59 Nov 16, 2007

    This VIZIO L30WGU 30" LCD is about a year and a half old, I used it as a TV for a while then moved it to my PC when I bought a 42" Lcd for TV Vewing. wll, all of the sudden the TV went Black, came back a couple of times then went completely blank but I hear the sound from my pc playing music. I opened it to find the PS Module had a slight burn in the 120V input but not enough to loose contact or power, the on and off of the sound is suggesting that the PS is trying to operate but finds a dead short, or that a transistor in the PS is bad, eitherway I cant find anyone in Florida to fix it (afraid at an unknown brand) or find a service center for these Clowns at Vizio. so much for what $1000.00 can buy you these days

  • Liberalpercy Dec 17, 2007

    Same problem - screen went off and on for about a week - now it won't come on at all. Called Vizio - talked to a very nice tech support guy who said it sounded like a power transistor on the main motherboard. Working to see if I can get the part myself (I've done a lot of PC repair over the years.) Mine is about 2 1/2 years old and has been great up to this point.

  • grizou Dec 20, 2007

    The screen is black. The audio is still on. The L30WGU is 3 years old.

    Could be the lamp?

  • Obed1213 Feb 25, 2008

    I've got a 42" Vizio about 1 1/2 years old and the screen is just black as I turn it on. there's sound, but no image. I've been told is the lamp that projects the image

  • greida Mar 13, 2008

    I have a Vizio L30WGU The tv has sound but no picture. The technician that try to repair the tv said thaat was the inverter, I buy a new inverter (V144-301) in Moniserv, but the tv continue with this problem, I'm thinking to return the inverter to Moniserv. The technical support said maybe if the inverter was damage is possible that the Power Supply is damage too. How can i know is that the problem of my tv. The tv has 21/2 years of use. Please let me know the possibility of to repair the tv.

  • jupiter4hp Aug 25, 2008

    I have the same problem. took it to a tech, Of course it worked fine for him.
    Now I get a faint flash when I turn it on, then black.


  • twowheelin
    twowheelin Nov 07, 2008

    My VisioL30WGU is about 2 1/2 years old and the picture is going black while the audio stays normal. If I turn it off an back on after about 5 minutes the picture is back for a few minutes but then goes black again. Looking for local repair shop or may do repair myself if I can find a schematic...

  • look421 Nov 14, 2008

    I Have a L30WGU30 and the Black screen problem. I just bought a new inverter, I go and hook up the inverter and the screen is still black, but like one of the previous articles I can see the outline of the menu {(when you hit the menu button on your remote while the black screen is up you can see the outline of the menu on the screen) So they said this means that its the inverter but I just installed my new one} So from here what is the better choice . Should I buy the MainBoard or the PowerBoard, or could it be a smaller chip. Ya I should get a new one but I really want to get this tv running again, and I really want to solve this.

  • kthomas21 Jan 03, 2009

    I have the same problem. I have a 50" LCD Vizio. First the picture comes and go. Then, the picture went all together leaving just the sound. Finally, the sound went. Now I only have sound if the DVD player in on.

  • ronald borick Jan 13, 2009

    i have the same problem. this tv "sucks"!!!!

  • dave184 Jan 27, 2009

    I have the same problem with my L30wgu

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Well i have the same tv , and when i took it apart i switched a few wires around and i managed to get it working again, i can send some pictures of what i did because, i really had no clue what i exactly did by switching the wires.

Posted on Jul 26, 2008

  • Pugnadroid Dec 09, 2010

    Yes i want some pics.

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Vizio service said problem was in inverter board and they had no replacement part. The did offer me a new 32" TV for $300. I took old TV apart and confirmed the inverter board (which drives the lamps) shut off after a few seconds despite the correct power coming from the power board.

Posted on Jan 03, 2008

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To make sure it's the cable box, hook up a DVD player and see if the TV still blacks out. If the TV still blacks out, then TV is faulty. When the TV has blacked out, can you still see outlines of the images. To see this, get really close to TV. If you press Menu, you will see the outline of the menus options box. If this is the case, Inverters are faulty. Otherwise, Main board is the most likely culprit.

Posted on Jul 29, 2007

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Thanks I'll Try Calling, Offer not bad at all

Posted on Jan 04, 2008

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Sen Alagic fixed my problem- TV works great- email him plasmatech@gmail.com

Dave184

Posted on Feb 20, 2009

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Boards are also available from tigerdirect.com. The inverter board is over $300 and the power board about $105. The main board is over $400. I'm hoping my problem is a power board, or I'll get a new TV....

Posted on Nov 07, 2008

  • twowheelin
    twowheelin Nov 10, 2008

    Because of the mixed reviews on the success of Inverter board repair, I brought my Visio L30 TV into a repair shop. My problem is not the inverter board, but the main board. At a repair cost of over $400, I'll be buying a new TV!

  • twowheelin
    twowheelin Feb 20, 2009

    I had the same problem and had it evaluated at a reputable repair shop. It turned out to be the main board and was over $400 to repair. My problem history is recorded in this area.

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Hi everybody!
GOOD NEWS!
Refurbished Inverter board that will fix Vizio "no picture has sound" problem is available.
Please contact Sen on plasmatech@gmail.com

Posted on Jan 11, 2008

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