> One trouble shooting attachment by itself....maybe a preliminary print? > > A-3 NE 555 > A-4 NE 555 > A-6 NE 555 > A-9 NE 555 > B-4 NE 555 > C-4 NE 555 > C-9 NE 555 > D-9 NE 555
This is definitely wrong. I guess someone was in a hurry when he wrote that