July 15, 2020 at 7:34 pm #13653
Yeah, think so too. Can’t find any (solder) bridges though.
9V – R32 -> R33: 26.7K
Ground – R32 -> R33: 26.7K
R31 -> C13: 0.5R
Between R31 and C13 there is a tiny amount of resistance, could that be the culprit?