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vertical jitter problem (SONY GDM-200PS)

Discussion in 'Electronic Repair' started by torgoch, Jan 18, 2004.

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  1. torgoch

    torgoch Guest


    I got a used SONY GDM-200PS monitor. It is a really nice 17" monitor.
    However, it has a vertical jitter problem. The screen on left and
    right sides are distorted. It looks like:

    \ /
    / \
    | |
    \ /
    / \
    \ /
    / \

    The image at the center also has the vertical distortion, but it is
    not as bad
    as left or right side.

    I suspect it may be as simple as a bad Cap. Would anyone enligthen me
    how to
    fix it?

    Thanks a lot in advance!

  2. Wayne

    Wayne Guest

    The GDM-200PS is a Sony N3 chassis; most likely failure is CXA2043Q,
    which results in many deflection-related faults, a common failure in
    N3 chassis. Requires above average soldering skills to replace without
    destroying the mainboard traces. You can download the service manual
    MCM has the IC for $36.39 - best price
    you are likely to find.

  3. torgoch

    torgoch Guest

    Hi Wayne,

    Thanks for the tips and URLs. I just come back from a trip and read
    your message. Sorry for the late response.

    It seems no luck for me, since I bought the complete monitor for
    40CAD, and hope to repair it by just replacing some caps. Now the
    result is out of control. The new CXA2043Q ($36.39) will almost cost
    another used monitor, and I think that I have only 50% confidence in
    the success of soldering operation.

    Anyway, your message may save me a lot of time in searching bad caps.
    Again, many thanks and best wishes.

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