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Re:
It looks like you are having a problem with the video section of your tv, either the tube or the drive circuitry. I would suggest that you if you have a background in electronics get a schematic and use a voltmeter to check the levels on the 3 channel convergence modules since these have been know to go bad frequently. If you do not feel comfortable doing this I would advise looking of FixYa for someone to do it for you.
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Somehow when switching between the tv and the dvd my wife encountered the pink and green, thin, parallel, vertical lines on the screen. The picture was visible with the lines. I turned the tv off and on but the problem persisted. Unplugged tv for about two minutes and after plugging it back in and turning it on the vertical lines very gone and the picture was back to normal.
This is usualy a bad picture tube. are there any bright lines running across the screen? It would be helpful if you could give the brand and model number
you have a shorted green CRT that is affecting the other crts the short is internat to the crt that leaves what is called retrace lines. if the set is more than three years old then replace all three guns.
Is good that you hit it and it reacts,very likely you have loose conections in different places but for the distorted picture you need to check the horizontal driver transformer and flyback after that is corrected you need to check the complete chassis for loose conections.Take your time.Good luck.
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