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Hi, just wondering I have a newer Vizio 42" lcd tv and once in a while when I turn it on the "vizio" lights up and there is sound but not picture. Usually turn it off and on and it works fine. whats wrong?

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You may have dying 24vdc power supply for the backlight inverter board or the inverter board is dying, you will need to do some troubleshooting.
If you are going to DIY and have proper tools, electronics knowledge, and know safety precaution then please read on:

Please see my basic troubleshooting guide here:
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http://en.wikipedia.org/wiki/Capacitor_plague

Posted on Aug 21, 2010

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Posted on Jan 02, 2017

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