Electrical Repair is No Longer Solved by a Multimeter Alone
Today, I repaired a batch of servo drivers. When powered on, I measured various voltages and found no output, with some issues appearing intermittently. The chip used is the UC2842, and the supply voltage was alarmingly low. I measured the startup resistor, supply capacitor, and supply diode, all of which were normal, leading me to … Read more
