Question about Vizio VO47L 47 in. LCD TV

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Vizio Quit Working

While I was watching the video I heard a noise (small pop or crack) and the video and sound went out. Now when I turn it on nothing happens - the remote does not work - no sound - no video. The touch controls on the front left corner do not work either.

IS THERE A RESET BUTTON AS THE PREVIOUS PERSON ASKED?

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  • aolah Jun 15, 2009

    Thanks for the help. I am supposedly still covered by Costco on the TV so we will see if I let them repair it or just go buy a Sharp.

    There are so many of the same type of problems for these damn Vizios, I am surprised there has been no class action suit filed against them and anybody that sells them.

  • aolah Jun 16, 2009

    This is the first time I personally have had a problem with a TV or monitor. My background is PC support and repair with a minor in programming. I have seen a lot of monitors blow in the workplace but those have been used and abused for the most part. Is it that difficult to replace the boards in a TV say compared to a PC?

  • aolah Jun 16, 2009

    That makes sense. How long would the training be to fix this type of equipment and is there any good schools or the equivalent to get the training?



    Thanks,



    Drew

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Hello, This is a problem with the power supply board, the pop you heard was a capacitor (it exploded). If you do not have a background in electronics, please have a qualified TV Technician repair the TV set. There are no user repairable parts in the unit. In any event the power supply board needs to be repaired. Thank you, Shuttle83 http://www.electron-age-technologies-llc.com

Posted on Jun 14, 2009

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  • Henry McKelvey
    Henry McKelvey Jun 15, 2009

    There is no reset button for this problem.

  • Henry McKelvey
    Henry McKelvey Jun 16, 2009

    I know what you mean, you see most of the time the TV plays upto the end of the coverage. At that point you have no protection other then the purchase of an extended coverage plan, which I always strongly suggest. As a Certified Communications and Consumer Electronics Technician I am surprised that people accept the shoddy quality of TV sets, and wish someone would bring a class action suit against a lot of these companies, but that remains to be seen.

    Regards,

    Shuttle83
    http://www.electron-age-technologies-llc...

  • Henry McKelvey
    Henry McKelvey Jun 16, 2009

    Actually the replacement of boards are simular, but the interaction is different. In PCs you can replace the sound card in a PCI slot with any PCI sound card or use that PCI slot for any PCI device, however in a TV there is no such interface standard and the connection by nature is proprietary. Add to this the fact that the two boards (main and aux) could contain a single circuit so the boards must match exactly, and one board can cause a problem on a nother board, that's why troubleshooting is necessary.

  • Henry McKelvey
    Henry McKelvey Jun 16, 2009

    Training can take from 1 year to 2 years. One of the best schools for electronics and TV repair is the Cleveland Institute of Electronics which is a partial on-line and correspondence course. They do an excellent job on the teaching of electronics and their TV repair module is one of the best in the field. Now one you have the "book learning" down then you might want to get a job in a TV shop doing piece work (This is to get practical experience) for a year or two. Another option after getting in-school training is to work on the TV sets of friends and family, using your training material as reference books. Also join a group like www.wa6ati.com to help you diagnose and provide a sounding board for problems.

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I HAVE REPAIRED THIS SAME ISSUE IN MY POLAROID TV. AS VIZIOS ARE MADE BY THE SAME COMPANY, I BELIEVE THIS REPAIR WILL BE SIMILAR. THE CAPACITORS ON THE POWER SUPPLY BOARD HAVE POPPED. THERE ARE PROBABLY 2 OF THEM. I DO NOT REMEMBER HOW THEY ARE LABELED, HOWEVER YOU SIMPLY HAVE TO LOOK FOR THE CAPACITORS THAT HAVE "BULGED" TOPS. DESODDER THEM FROM THE BOARD. REPLACE THEM WITH NEW ONES (I FOUND NEARLY MATCHING ONES AT RADIO SHACK). THEN SODDER THEM BACK IN. IT SEEMS COMPLICATED, BUT IF YOU HAVE USED A SODDERING IRON BEFORE, IT IS A BREEZE. FOR REFERENCE CHECK OUT THE SOLUTION FOR THIS PROBLEM ON 37" POLAROID TV ON THIS SIGHT. THAT IS HOW I FOUND OUT.

Posted on Jun 28, 2009

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