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Klh model 52 audio receiver

My 30+ year old klh model 52 audio receiver seems to have a bad volume control/off-on switch. The loudness range goes from 0 to 10 and in the lower range (0 to 4 or so) I get a lot of static and either the left or right channel but not both. Above 5 or so the static goes away and I get both channels coming through but then the volume is a bit too loud for normal conversation. I have chatted on-line with the folks at klh and I was told that they no longer support that model, they have no parts and no manuels. Do you think you can help?

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Re: klh model 52 audio receiver

Open the receiver and locate the potentiometer for the volume. There should be small openings in which you can spray electrical contact cleaner. The spray can be found at any electronic supply store (Radio Shack). Make sure the product says no or zero residue. I use a product called "Electrosolve". After spraying, immediately rotate the pot back and forth a few times. You may need to repeat this process two or three times. You might as well hit the other controls while you're at it. If several attempts don't eliminate the problem, the pot will need to be replaced.

Posted on Oct 11, 2007

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Re: klh model 52 audio receiver

I concur with Bruteaudio.

Spray electrical contact cleaner inside the pot innerards and rotate it serveral dozen times.
I use De-Oxit which can be found at Radio Shack too

Posted on Jan 05, 2009

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