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When you first turn on the tv, the picture blinks on and off with the off looking like a film negative. After 10-15 minutes the picture is fine,no more problems. It si 4 years old and was given to me by a friend who did mention this problem. Any thoughts?

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A TV actually uses 2 different video processors. One for black and white, one for the color. Since you are missing color, you have lost the color signal. This could be a bad video chip, or a loss of power to the video chip, or a loss of signal in or out of the video chip. Re soldering the whole board is not reasonable. Have a tech track down the problem. It could be a loose solder point, maybe a bad component. Only a tech is going to be able to trace it.

Posted on Nov 14, 2008

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Its the problem of loose soldering joins on the main board that has to be cleared to make this problem solve,
just dry solder whole board or get it done with a local technician.

Posted on Nov 14, 2008

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