Analogue-sequencer

On Monday 19 January 2004 15:52, Colin f wrote:
> > If it's the pot, we would have 2 bad pots now.  Both
> > pot #9 and #13 are still involved. Isn't it very
> > unlikely to have two bad pots?
>
> Yeah, it does seem a bit less likely.
> Pot 9 is on 4051 input 0, and pot 13 is on input 4, which
> means there's only 1 bit on the address selection
> changing between them. Paul M's reported problem &
> solution would back that up the theory that it could be a
> dodgy connection on the address pin.
> Maybe try some contact cleaner on the ribbon cables ?
> Or swapping the cable plugs around - it is a bus type
> design, so any pot board can use any connector.

I have a new contender: step #11 now produces unwanted 
events, while #9 and #13 are still with us. That's three 
pots.