Question about Vizio XVT472SV 47 in. HD-Ready LCD TV

2 Answers

Hello, I have a Vizio 47 in LCD. While watching it last night, it just turned off, and has not powered back on again. the VIZO logo is usually orange when in standbty, that too is dead, no light. I have unplugged, and tried different outlets, as well as unplugging/replugging from the actual TV, to ensure a proper connection. I have never had a TV go out on me before....this is virgin territoty. any assistance would be appreciated! Thanks

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  • Randy Osborne
    Randy Osborne Nov 07, 2010

    2nd opinion anyone...?

  • Randy Osborne
    Randy Osborne Nov 07, 2010

    Thank You both for responding so quickly, with expert diagnosis!

    R

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2 Answers

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  • Master
  • 2,777 Answers

Sounds like a failed or at least failing power supply / power board inside the TV. Unfortunately this is a very difficult repair, and unless you are an electrician I would not recommend attempting it. You will want to contact a local TV repair person in your area if you are sure this is out of warranty, more on that in a bit here. This is actually the most common problem with this type of TV, I see it every day, it just happens - sometimes with new TVs and sometimes it takes many years for it to happen.

If you think it may still be under warranty please contact the manufacturer to file an RMA. If you happened to purchase the TV with a major credit card (not a debit card) there is a good chance it may still be under the free extended warranty most credit cards place on electronics. Please contact your credit card company to inquire if they do this, and they will be able to file the claim and get you a refund for the TV.

If you want to attempt the repair yourself please let me know and I will get you the part number and a place you can purchase it from for what you need.

So sorry that I don't have better news but it is definitely a power issue internally.

Thanks
Tim

Posted on Nov 07, 2010

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  • Vizio Master
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If not even the stand-by light is off then tv's power source has suffered a catastrophic failure - either the power transistor or the transformer have failed. Unfortunately when this happens the rest of the components - starting with the rectifiers and the modulator - are also destroyed.
Sorry, there is only one thing left to do: the power board must be replaced. This is definitely a job for a repair shop - they must also check the rest of the tv, if you're really unlucky every single time you tried to start it you have caused even more damage to other components.

Posted on Nov 07, 2010

  • Azrael SRL Nov 07, 2010

    In that case would you pick the reply that answered your question the best?

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