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Ultra 1 Electrical Whistling


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#1 Samuel Navas

Samuel Navas

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Posted 20 October 2013 - 07:12 AM

Hi chaps,

Should I be concerned about the high-pitched whistling coming from the bottom of my Ultra 1 sled? What's the usual culprit?

I'm running 24V from the original ultra batteries..

Thanks as always for your advice.

Sam
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#2 GerardSava

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Posted 28 October 2013 - 07:38 PM

Are you sure it's not from the monitor? My Tiffen CRT would screech for a few minutes when it was cold. Quiet when warmed up.

Try turning off the monitor and see if the noise goes away.


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#3 Jerry Holway

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Posted 28 October 2013 - 10:45 PM

Also try blowing dust off the tube, sometimes it's the dust "singing" - open up case AFTER removing batteries and turning monitor switch to "on" to drain off any excess voltage


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