I’m having an issue with the Ambika Polivoks. IC2 (4052N) got super warm to the touch and started emitting a smell.
I had measured all the supply voltages before plunging it in and there were no issues.
When I removed IC2, the socket pins at 12 thru 14 looked discolored.
I picked up a new 4052N from Mouser, and I didn’t want to put it in until I was sure this is ok.
Also, instead of the bipolar transistor for Q4, I used a FET like recommended in another post. Should I have a resistor on the gate?