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If the screen control for the green picture tube is set too high, then the colors will be greenish, there will be green where there should be black and there will be fine curved lines (retrace lines) in the picture. If you feel confident then you can open the set and look for the focus block which has the 3 focus and 3 screen controls. One row is labeled Screen and the green control will be the center one. Try turning that control down a little and see is the green background and curved lines go away. If they do not go away then there is something more serious wrong. If you do not have experience working on projection sets then allow a qualified tech to handle it for you.
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im joel a simple electroncis tech. try to adjust the settings but it does'nt work the i think 3 color inside ( red,blue,green) is one or two of them is deffective.so the best solution try to go the expert tech nothing else
red, green, and blue lines curve across the top of tv is cause by defective convergence STK IC or you have open resistor at convergence section. if you have defective RGB Color vertical ramp probably you have defective STK IC..
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
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