Question about Audio & Video Receivers
You might have a "dirty" volume control - with the power off, try twisting the volume control full to the left, full to the right, repeat several times - if this improves the situation then a quick shot of contact cleaner spray into the volume control might fix it for good.
This advice should work for potentiometer-type controls which consist of a metal wiper moving over an arc of carbon-coated material - dirt builds up under the wiper, preventing good contact.
Newer controls using an optical encoder will not be fixed by this method. If your amp volume normally adjusts in "steps" that you can hear, as opposed to continuously and smoothly as you rotate(d) the knob, then you have an encoder control.
Posted on Dec 28, 2008
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