Hi everyone!

I have got an A-155 sequencer where one of the pots on the bottom row does not work. At all.

In order to try to pin down the error I have swapped the ICs from the top row to the bottom row ( http://www.doepfer.de/A100_pictures/doepfer_a155.jpg, the two PCBs with the knobs), but the problem was still there. Is there anything else I can do I have also tried to measure resistance what is happening when turning the pot, but I did not see anything that made the offending pot differ from working pots.

Is the pot itself broken, or is there anything else I should try to pin down the problem

Modular regards,

Janne



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