[R-390] Low Audio

[roy.morgan at nist.gov]

Quoting fwbray at mminternet.com: 
> 
> One other symptom is that the line meter no longer has any indication and
> the line gain pot no longer has any effect on the audio level. 
> (Previously, turning it up would increase the audio level slightly.)  I
> did clean that pot, so maybe that's the bad one?

Fred,

Sounds like an open pot.

If you used WD-40 to clean that pot, the stuff may have dissolved the carbon
material in your pot and rendered it useless.

Use Caig MCL (Moving contact lubricant) on pots.  Only.
www.caig.com

Roy

Roy Morgan
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Derwood MD 20855