piclist 2008\07\20\120535a >
Thread: Reparing my CRT monitor
www.piclist.com/techref/displays.htm?key=crt
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face BY : Herbert Graf email (remove spam text)



On Sun, 2008-07-20 at 10:18 -0400, Dave Lagzdin wrote:
> 2008/7/20 Dennis Crawley <.....dennis.crawley.....spamusa.net>:
>
> > Hi,
> >
> > I have a few problems with my 12 years old monitor.
> >
> > There is a noise of about 15Khz. When I drop down the resolution to
> 800x600
> > the noise stops.
> > As well as 1 hour after switched on.
> >
>
> So if you shoot some cold spray on the warm offending component it
> might
> stop?

That might very well work, didn't think of that. Couldn't hurt trying.

> I could suggest the old auto mechanics trick of pressing a wooden
> stick
> against the suspect device and the other
> end against his ear but I'm not sure how 15Khz propagates thru a
> stick, and
> envision some "Einstein" with a fresh wet twig betwixt the flyback and
> his
> ear- nevermind :)...

Ya, I have my doubts that wood would work well, that said, something
harder might work. I'd suggest a metal rod, but the conductive side has
issues there. Perhaps a glass rod?

TTYL

<1216569933.29522.16.camel@E2140> 7bit

In reply to: <597d9df90807200718h10767a50o3489aa888baf8fa@mail.gmail.com>
See also: www.piclist.com/techref/displays.htm?key=crt
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Subject (change) Reparing my CRT monitor

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