Question about Vizio VO42L 42 in. LCD TV
The tv was working fine and turned it off came back to turn it on and vizio nameplate on front lights up but no sound and no picture. I am thinking power supply is shot.
It may well be the power supply. Filter capacitors have a nasty tendency of blowing, as well as voltage control ICs. If the filter blows, you end up with a shaky DC signal that can't be effectively used by digital components (which make up about 80% of modern TV circuits). If you're within warranty/exchange then go for the manufacturer. If not, and you're comfortable with opening these things, then you can carefully (after unplugging and allowing it to discharge) take a glance inside. If any capacitor(s) are visibly blown out, then there's your problem.
Posted on Jun 03, 2010
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Posted on Jan 02, 2017
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