Switching power supply output short circuit
The output power supply line of the switching power supply contacts the falling metal chips, or the wires are seriously worn, etc., which will cause a short circuit fault in the switching power supply. For this short circuit problem, sometimes the output power supply line shakes, and the power supply can be recovered from the loop state. normal status.
It may also be that the switching power supply is permanently damaged, resulting in a short circuit problem of the switching power supply.
