Avid Artist Mix Replacement touch-sensitive rotary encoders

[flandybob]

Just got a second hand artist mix with the touch fonction on the second pot not working (thank you seller...).

I booted it in test mode and found that if I touched on the side of c111 (not on top) it would register the touch function but not if I touched the "welding" directly right to R91.
For the other function pots, touching the "welding" would trigger the touch function.

I tried some contact cleaner, didn't do anything at first then it started working again. Not sure for how long but anyway, thought that might help some people having similar issues.

If it fails again I may try to redo the welding (or most likely ask someone who really knows how to), good news is the actual encoder / touch chip is working.