Close visual inspection and the multimeter are valuable tool in locating malfunctions in electronic equipment. Five techniques in applying the multimeter to aid in the troubleshooting process include the following measurements.
AC & DC Supply voltages and Fuse continuity.
Transformer primary & secondary voltages.
Diode & Transistor lead voltages.
Integrated Circuit supply pin voltages.
Component resistance.
You can find the processes for each technique by following the links provided.
