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Weird monitor prob

Discussion in 'Electronic Repair' started by JR North, Oct 15, 2007.

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  1. JR North

    JR North Guest

    My 5 yr old ProView 19 crt has assorted minor issues, including a PS
    failure I had repaired 3 years ago. Recently, the image periodically
    slowly dims over a few seconds, like turning the contrast full down and
    reducing the brightness. Gets medium dark, but does not disappear
    completely. Then, slowly returns to normal in a similar time frame.
    First time, I thought the room lights were dimming, then realized it was
    the monitor. The image does not distort or shrink, and the OSD menu
    settings haven't changed. The performance otherwise is excellent. It's
    not worth having it fixed again; the PS issue cost $100- and it was a
    squeaker then.
    Opinions?
    JR
     
  2. Lynn

    Lynn Guest

    I don't have an opinion but a question- IS YOUR GOOGLE FUCKED?
     
  3. James Sweet

    James Sweet Guest


    Sounds like the CRT heater is losing power. Cold solder joints on the neck
    board or power supply area are my best guess without looking at it. Watch
    the glow in the neck in a darkened room, if it dims with the picture then
    that confirms the diagnosis.
     
  4. hr(bob)

    hr(bob) Guest

    Jim is 100% correct!

    H. R.(Bob) Hofmann
     
  5. Meat Plow

    Meat Plow Guest

    No he is only 99.9% correct.
     
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