Question about Vizio VW42LF 42 in. LCD HDTV
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Posted on Jan 02, 2017
Does LCD screen backlight come on? If so proceed....
USE:CAUTION WHEN DOING THIS....
Try this if repairing yourself...find power supply, small board with no cover over it...check voltages on output pins/plug/connectors (white plugs) three in a row...
1 Plug has 24Volt supply..1 has 12Volt supply and 1 has 5Volt supply when read to ground (screw that holds board in) if you have these voltages it's a safe bet it's the main control board...I just replaced mine and it fixed a problem like yours.
Posted on Sep 02, 2009
Best buy has a order parts section, you will find the necessary parts for your model there, look for the order parts on the lower portion of their webpage.
Posted on Sep 19, 2009
Testimonial: "Thanks for the help with the parts search. "
Remove the 4 screws holding the stand. Remove all the perimeter screws. Remove all the screws from the bottom speaker panel and the rest of the perimeter screws and the ground wire screws at each speaker. remove the screws on the surface of the back panel and you are in. The power supply is the large board in the middle. The bad capacitors are in the secondary and were C233, C234, and C236. I replaced these 3 capacitors and fixed this problem. They were 1-10v 1000uF and 2- 10v 3300uF electrolitic board mount capacitors. Easy to spot on the power board, the tops were bulged up. $5.54 later it works perfectly now.
Posted on Dec 28, 2009
Hello, I have a Vizio 42 in screen in perfect condition if anyone is still interested. The back lights went out in the TV and I decide I wanted a bigger one anyways. I am will to sell very cheap and have already removed it from the TV as I was getting ready to list it on eBay. The parts are already listed. It's a Vizio 42 in VW42L HDTV10A. Anyone interested e-mail me at email@example.com I will ship via UPS as well.
Posted on Sep 01, 2010
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