Question about Vizio GV47LF Television

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I have a Vizio GV47L LCD TV. I bought this about 3 years ago. The other day when it was on and working fine, I went in the other room for about 5 minutes and when I came back in it was making a fizzle sound and had no sound or picture. I couldn't turn it off and all controls didn't work. The only way I was able to turn it off was to disconnect the power. I waited a few minutes and plugged it back in. I went to turn it on and it seem to come on as before but after the initial click with the touch screen buttons lighting up it locks up and nothing else happens. No control operations at all, just the touch screen buttons lit up and a black screen with no sound. Can anyone help please? It only turns on with remote, only turns off by having power cord unplugged and all fuses(F1-3) are good. I had main board replaced about 18 months ago. Could it e power board?

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ANy sign of DC filter caps with open top (may be that was the sound you hear was cap is blowing its tops). You need to do some voltage checking and some visual inspection.
http://www.shopjimmy.com/catalogsearch/result/index/?q=Vizio+GV47L&limit=100

You have to remove the heatsink to see the caps under it.
Post back what you see.

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http://en.wikipedia.org/wiki/Capacitor_plague

Parts: www.shopjimmy.com
Capacitors kit: http://lcdalternatives.auctivacommerce.com/Default.aspx he can make you a set of caps.

Posted on Sep 01, 2010

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