Question about Mitsubishi WS-65819 TV

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Vertical Lines on my Mitsubishi WS-65819

There are vertical lines that appear intermittently on the screen of my Mitsubishi WS-65819. The TV will work fine and suddenly the screen will fill up with vertical lines spaced about an inch apart all the way across the screen. The problem started about a week ago, it seems to happen more often now. The picture is still visible behind the lines. It happens when the input is switched to cable TV and also when the input is switched to DVD to watch movies. I've tried changing out DVD players and still have the same problem. I've also tried removing the cable box from the system. So far nothing has helped. The lines keep coming back. Any suggestions?

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  • Geo Clay Jul 24, 2007

    Regarding the certical lines that appear on the screen - the lines disappear when I turn to an HD channel. Everything in HD works fine. Maybe this info will help to correctly diagnose the problem.



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This sounds like a bad connection or a bad capacitor in the 220 volt source that supplies the voltage for the CRT boards. You will need to get a schematic and trace out this voltage from the PM board to the CRT driver boards when the set acts up. it could even be a connection on one of the plugs from the PM board to the CRT boards. Sorry but not a real easy repair. Might take some time to trace unless a component is failing. Good Luck

Posted on Jul 11, 2007

  • Larry  Dillon
    Larry Dillon Jul 24, 2007

    The DM board is most likely going bad then. Or the Capacitors inside the DM board is going bad.



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Best Regards,


P.S. Thanks in advance for rating me!

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