Repairing radios was easier when radios were simple. There were typically two strategies. You could use a signal tracer (an amplifier) to listen at the volume control. If you heard something, the ...

Repairing radios was easier when radios were simple. There were typically two strategies. You could use a signal tracer (an amplifier) to listen at the volume control. If you heard something, the ...

One of the most common faults in audio equipment is noisy pots – potentiometers that introduce scratching or crackling noises into the signal as they are adjusted. The problem is that sometimes a ...