How to fix a volume knob on a reciever yamaha cr 240

[mikevz2002]

Is it worth trying to repace volume knob on this unit/ causes static when touched.

 

[soundguruman]

The control needs to be cleaned.
It's not the volume knob. Read This:
http://www.tomshardware.com/forum/57120-6-cleaning-controls-jacks-info