ANSWERS: 5
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Your tube is F***ed ( technical term ), time to buy a new one, sorry.
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actually i saw this in a movie i think it was called "the Ring" all you have to do is wait for the phone call now..
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Check to see if someone has put your tv in the setup mode. When they set up the rasters the screen goes black and a tri-colored line appears. By adjusting the red, green, and or blue, you will end up with a single white line. There is usually a switch or button on the back of the set that controls raster setup. Is this an older tv?
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This is called a 'Collapse of field' it's caused by either a dry solder joint or a failed component part. The solder joint (if you can locate it) just needs resoldering (beware of high voltages) the component part needs to be found and replaced (technicians job) :o)
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IT IS VERTICAL FAILURE.PROBABLY A DRY SOLDER AT VERTICAL DEFLECTION YOKE COIL. OR CORRESPONDING PCB TRACK. MAY ALSO CAUSE DUE TO VERTICAL DEFLECTION CIRCUITRY PROBLEM. SANJEEVKUMAR.MAHAJAN
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