mic

Mic's work-

It converts sound signal into electronic signal.

Mic's OK condition-

Check the diode by setting the multimeter to beep (continuity) mode. If the mic shows value from one side and nothing from the other side, then the mic is OK.

Faulty condition of mic-

We check the mic by setting the multimeter on the Continuity point. If the mic does not sound anything from both the sides then it is open (bad).

We check the mic by setting the multimeter on the Continuity point. If the mic gives beep sound from both the sides then it is short.

Note- If the mic value falls between 700 to 1800 then it is ok.

Denoting letter- B MIC