Farnell Repairs
Farnell L30B, PSU
This had a 12V battery connected the wrong way across the o\p, the 2N3055 o\p transistor had blown along with a diode and a track on the PCB.
This had a 12V battery connected the wrong way across the o\p, the 2N3055 o\p transistor had blown along with a diode and a track on the PCB.