Question about Vizio XVT3D474SV 47 in. 3D LCD TV
Check the incoming power supply voltage to its back-light inverter, from main power regulator board. Check the main power regulator board.
Posted on Oct 17, 2013
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Posted on Jan 02, 2017
This sound is a capcitor pop and this could be in the power supply unit itself. The glass could be a fuse that took the brunt from the capcitor pop.
1. Unplug the unit and do not plug it in.
2. if its under warrenty take it in please!
3. if its not under warrenty and you know eletronics verify what cap popped and replace that and the fuse.
4. if you do not know about eletronics this work would cost you around $150 for the wrok done.
Good luck I hope this information helps you!!
Posted on Jul 17, 2009
That is not normal, more likely to either to have power supply failure or the back light inverter failure.
If you are going to DIY and have proper tools and know safety precaution then please read on:
Please see my basic troubleshooting guide here:
Posted on Jun 28, 2010
My 2007 Vizio JV50P HDTV10A I found at the garbage dump would turn on, make a pop sound, then nothing. So I replaced the bulged electrolytic caps on the power board with caps I scrounged off other discarded boards, and got the perfect picture in a couple hours. I used Panasonic caps? (curved T on top) FC type I believe? 1 - 10v 1000uf & 9 - 10v 3300uf & 1 - 16v 470uf & 1 - 50v 680uf, all 105c. The board had solder points all on one side opposite the cap can, so it was easy to do a pro solder job by flux & sticking the legs just barley out of the board surface.
I hope this helps somehow.
Posted on Jan 27, 2011
My first guess would be your t-con board. The t-con board is the one that transfers teh picture from your signal board to your screen. My second guess would be the siganl board is bad.
You can get parts at www.interliquidparts.com
Posted on Dec 02, 2011
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