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Green picture tv bright green

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  • asil69 Jul 19, 2008

    my 4 yr old goodmans tv picture turns green, it flicks back to normal for a couple of minutes, then everything goes back to green coloured picture, ive changed the scart leads no joy. Help??

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Shorting or shorted green gun in CRT . The green driver transistor shorted or intermittent.

a simple voltage check would tell me witch one it is.

Posted on Sep 14, 2008

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snakehead
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SOURCE: tv has bright green color

you are having a problem in your video circuit and your tunner section if the green is smooth also have the deflection ic checked.but this set needs to be taken to a qualified tech repairs could cost about $1oo.00 good luck.

Posted on Mar 21, 2007

bobjrdns
  • 84 Answers

SOURCE: green picture

a green screen on power up with retrace lines. At shut down a point appears in the middle of the screen. Sounds like either a shorted G2 grid, or bad flyback. If a phospher flake has shorted the grid in the tube, you can sometimes have luck by using a megger set at 1000VDC, to burn away the short. This is usually caused by the line HV going too high causing the anti-UV protection to kick in so fit a dummy load 40W lamp instead to the line output to allow measurements to be made.

Posted on Oct 19, 2008

6ya6ya
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Posted on Jan 02, 2017

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