Question about Vizio SV420XV 42 in. LCD TV
Your power supply may have finally died, you may have to check the fuse, DC filter caps, output voltages, etc or buy a new one.
If you are going to DIY and have proper tools, knowledge of electronics and know safety precaution then please read on:
Please see my basic troubleshooting guide here:
Posted on Jul 13, 2010
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Posted on Jan 02, 2017
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