Sound ok white screen can see immage very little color. Black on the edge of screen is white
SOURCE: No Screen or sound
there are two possibilities to this problem. First and cheapest way is to replace the main board. Second, replace the inverter board. This is the boards that are mounted vertically on both sides of the TV.
SOURCE: I went to turn on my Vizio and the scrren was
Do you have back light when turning on the TV? if you do then just replace the main board should resolve the problem. if you do not have back light, you will need to replace the inverter board(s) depending on your model. The inverter board(s) is located on the left side of the TV facing back of TV. you may have two inverter boards depending on your model. the other is located on the right side of the TV. Both mount vertically.
SOURCE: Model VS42LFHDTV10A. The TV is
This may be the problem of relay switches. It can be replaced to eliminate such errors.
SOURCE: vizio p50hdtv10a. Tv has sound
sounds like you needed to replace your video fuse before anything normally if you have video but no sound its an audio fuse and vica versa if for some reason both were out I would say your in need of a new power supply I would suggest replacing the fuse and if it still does not work contacting a service tech to run a diagnostic to see what exact part or maintenance you need
Robb
SOURCE: Suddenly no picture only a
Look through the ventilation slits at the back of the TV with the room lights out. If you do not see white light light bleeding through the back, you have a back light failure. It could be the inverter circuit which lights up the CCFL ( cold cathode fluorescent lamp ). You will need professional help to replace it and could cost you about 70 to 100 $ to fix.
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