I have a friend that hunts with a Tesoro Bandito. Last weekend he was changing the batteries and the thing started to smoke. After that the detector stopped working. Anyway, I took it home and one battery leed came loose and near the battery connects to the circuit board a transistor was burnt. I was wondering if anyone could help me with the identification of this transistor. The pencil points at the location and crispy transmitter. I tried emailing Tesoro twice but they haven’t replied.