Question about CTX P772 17" LCD Monitor

2 Answers

Bzzzing noise coming from monitor

My monitor is making noises, like an electrical bzzz. Could it be a corrupt profile or is it hardware? other than that, the monitor looks great.

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  • misty5712 Sep 21, 2008

    Mine is also making making intermittent buzzing sounds, mostly when I wake it up. When it does, the display will also jiggle and flash very dimly. When the buzzing noise stops, the display is perfect.

  • staasee Nov 04, 2008

    I have the same problem, buzzing, occasionally but the largest problem I have is the monitor will only stay illuminated with the pic of my desktop for around two seconds then goes black. What is the problem? & is it an esy fix? expensive? easier to get a new monitor? thanks!

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Its a bad power supply or a bad ballast. If it sounds like a hiss it will most likely be a capacitor. If it sounds like a crackle it is most likely a bad resistor. You can usually smell it when a component fails. It will smell like hot automotive brake.

Posted on Dec 05, 2008

  • Jay Brooks
    Jay Brooks Dec 06, 2008

    I would be careful about the type of epoxy. Some have metal mixed in them (jb weld types) Some can't take heat.

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Hi.

It the buzzing is directly from the back of monitor chances are its A noisey transformer.
This can be rectified by mixing up some epoxy resin type adhesive and spreading it over the windings of the noisey transformer.

PLEASE ENSURE MONITOR IS DISCONECTED FROM MAINS SUPPLY when doing this work.

http://dysonmanuals.llc.nu/

Chris..

Posted on Dec 30, 2007

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