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Strange monitor fault... "power saving" relay sticks

Discussion in 'Electronic Repair' started by Chaos Master, Aug 3, 2004.

  1. Chaos Master

    Chaos Master Guest

    Hello people

    I have a strange problem with my PC monitor (VITECH VISION DX-1564 Monitor):

    When the monitor enters standby ("Power Saving"), it clicks a relay which
    seems to shutdown some parts of the monitor. When I wake up the monitor by
    clicking on the mouse / pressing keys, the image returns, but the relay don't
    return to the normal position.

    This causes a strange effect, the image gets big in the sides and the image is
    moving ("drifting" would be a better term) to the left. This makes text mode
    stuff (DOS windows) look very odd. Also happens on boot-up.

    Q: Is this just the relay used for power saving, that is getting bad?

    []s
     
  2. Jerry G.

    Jerry G. Guest

    There are most likely some defective parts in the power supply, or the horiz
    scan circuits. If the monitor is not properly serviced soon, it will have a
    greater failure. This is usually from many of the capacitors in these areas
    starting to fail from age and use. If you are not trained and equipped for
    doing monitor service, you should take it for an estimate at a place that
    services computer monitors. However, it may be more feasible to replace the
    monitor.

    --

    Jerry G.
    ==========================


    Hello people

    I have a strange problem with my PC monitor (VITECH VISION DX-1564 Monitor):

    When the monitor enters standby ("Power Saving"), it clicks a relay which
    seems to shutdown some parts of the monitor. When I wake up the monitor by
    clicking on the mouse / pressing keys, the image returns, but the relay
    don't
    return to the normal position.

    This causes a strange effect, the image gets big in the sides and the image
    is
    moving ("drifting" would be a better term) to the left. This makes text mode
    stuff (DOS windows) look very odd. Also happens on boot-up.

    Q: Is this just the relay used for power saving, that is getting bad?

    []s
     
  3. Chaos Master

    Chaos Master Guest

    Chaos happened and Jerry G. said:
    I have some knowledge on how to work on monitors. I am aware of the dangers of
    high voltage. I would like to repair this monitor, since it is going to my
    test machine. Will check this soon

    []s
     
  4. Hi!

    If you believe the relay is sticking, you could try prodding it with a well
    insulated stick to see if it will release and let the monitor work normally.

    Relays do fail...common faults include burned or dirty contacts or actual
    problems with the coil inside that does the switching. Even if you should
    happen to restore normal operation and the relay seems "fixed" it would be
    wise to replace it.

    William
     
  5. Chaos Master

    Chaos Master Guest

    Hey William R. Walsh ()! You
    This (the Relay) seems to be the problem.
    Finding a compatible relay may be a problem. Hmmm. maybe not.

    And I don't like to turn the monitor ON when it is open. :/

    []s
     
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