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Crt monitor has decreased width at mid portion. Top & bottom width ok.

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Your monitor has alot of electrolytic capacitors inside it.

they typically have a life expextancy of 3 to 5 years ( depending on the temperature in which they operate )

your montor has bad capacitors


if you know about the HighVoltage that is stored in the CRTube itself acting like a capacitor...... and know how to safley discharge the tube and keep it shorted with a clip lead so it doesn't re-establish a charge... which it will..... Great !

If not
do not attempt repair

OK you may not have to disconnect the tubes HV wire to replace the caps...

but you get the picture,
you can get killed or hurt if you dont know what you are doing...

in what is required to fix your monitor.


replace the bad electrolytic caps
they have developed high ESR
Equivalant..SeriesResistance and you can buy a meter to find these bad caps in your monitor.

cap esr meter

good luck

Posted on Jun 16, 2009

  • artiedc
    artiedc Jun 16, 2009

    your monitor has alot of electrolytic capacitors inside it.



    they typically have a life expextancy of 3 to 5 years ( depending on the temperature in which they operate )



    your montor has bad capacitors





    if you know about the HighVoltage that is stored in the CRTube itself acting like a capacitor...... and know how to safley discharge the tube and keep it shorted with a clip lead so it doesn't re-establish a charge... which it will..... Great !



    If not

    do not attempt repair



    OK you may not have to disconnect the tubes HV wire to replace the caps...



    but you get the picture,

    you can get killed or hurt if you dont know what you are doing...



    in what is required to fix your monitor.





    replace the bad electrolytic caps

    they have developed high ESR

    Equivalant..SeriesResistance and you can buy a meter to find these bad caps in your monitor.



    cap esr meter



    good luck

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