Thanks for the links. Looks like with the prices they're charging, it would cost about $20 by the time shipping was added.
I might have to do what this YouTube video shows - un-solder the volume control from the board so I can open it up and clean the contact area really good and see what happens.
[link|https://www.youtube.com/watch?v=cckYTQOsK1U|Pioneer deck volume control doesn’t work. easy fix|new_window=true].
[image|2737735]
[image|2737736]
[image|2737737]