Question about Vizio Televison & Video

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I have a vizio VS42L HGDTV the screen has been turning dark on the left side of screen when you turn it on and last for about 45min you can tap the top or side and it will go away but it always comes on dark for the initial power on up to an hour of viewing what can I do to fix it?

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  • anella_c Oct 16, 2010

    thank you so much that does make sense we are going to try this solution...would you have a more specific description of what the tubes look like and exactly where they're located...I'm pretty sure my husband can figure it out with a little more description...thank you

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  • Vizio Master
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Your tv has it's lcd screen backlit by some special neon tubes, called CCFL tubes. In your case the connection to one of them is bad so it's getting its power only when the heat from the other tubes and components expands the metal from the pins in the connectors.
To fix it you will have to take the back cover of the tv off , take off the tube shrouds and reset the tube in its connectors - eventually pinch them a little with pliers before reinserting it.

Posted on Oct 16, 2010

  • Azrael SRL Oct 16, 2010

    Have you seen those economic bulb that you should use instead of the regular ones? They are exactly that - CCFL tubes. Just that in your tv they are straight and hidden in the frame of the tv , right on the side of the lcd panel - they are covered in reflective shrouds. You can't miss them.

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