Question about Vizio VO47L 47 in. LCD TV

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HAVE A VIZIO GV47L. NO SOUND. NO PICTURE. While watching TV the TV went black. Tried turning it off but was unable to via remote or the touch panel.Finally unplugged it from the power surge protector. when I pluged it in I switched the TV on using the remote but still getting a black screen. Touch panel and remote still unable to switch TV off. Can you assist on a diagnosis?

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Despite of no image do you still have sound(happens in case of malfunctioning backlight or T-con board)?

Posted on Apr 04, 2011

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  • lroman879 Apr 04, 2011

    no sound

  • eagle338
    eagle338 Apr 04, 2011

    If the tv turns on and does not respond to any commands and there is no picture, it is definitely due to a malfunctioning tv-micro circuit. Easiest way to fix this would be to replace the main A/V board. Please remove the back cover off the tv and get me the part number off the board so that I can find you a replacement

  • dnitzman Apr 05, 2011

    I am having this same problem. Is this a fairly easy fix or should I find a repair person?

  • dnitzman Apr 05, 2011

    I am having this same problem. Is this a fairly easy fix or should I find a repair person?

  • eagle338
    eagle338 Apr 05, 2011

    Well iys not that hard if you have the basic know-how of electronics i.e, ESD precautions, which components hold residual voltages and hence should not be touched etc., The replacement is fairly simple just unplug the connectors from the older board and plug them into the newer one.

  • dnitzman Apr 05, 2011

    What about the fuse bypass some people are talking about? I found the 3 fuses on the upper right of the board. 2 of them are white and 1 is brownish. I haven't put a meter on them, but what do you think of the bypass solution some people are using?

  • eagle338
    eagle338 Apr 05, 2011

    Which board are you referring to? Power supply? And if yes then are all the fuses of the same type?Note that ceramic fuses come in different colors even though they are usually white. You need to test them with a meter to confirm that its open. So please do so and let me know

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I received a VIZIO VA220E from my kids Christmas 2009 for my kitchen. Kitchin finished and TV wall mounted in April 2010. About 6 weeks ago I was not able to turn on in AM after watching the night before. BLACK SCREEN / NO AUDIO.
Now what?

Posted on Apr 11, 2011

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Posted on Jan 02, 2017

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