If the transistor is in a socket, the first step in troubleshooting is to remove it and use and ohmmeter or plug it into a curve tracer.

Question

Quizplus · Accepted Answer

The first step in troubleshooting should be to inspect and test the transistor while it's still in the circuit (if possible) to avoid unnecessary handling or damage. Removing it should be a later step if initial tests indicate a problem.

If the Transistor Is in a Socket, the First Step