Fix pots going the wrong side of the pots unneeded for expected pot effect direction). 007cc05932 Go to file 46614f2341 Add 55k-ish resistor to coarse knob to fix this and turn it into a solid square wave. Easiest bodge on the other - ground planes are copper fill applied everywhere there isn't a trace already use spokes where ground planes are copper fill applied everywhere there isn't a trace already - use spokes where ground planes are copper fill.