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How to Test Mobile phone Microphone or Mouthpiece

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Mobile phone microphone also known as mouthpiece is the one that intercepts the voice to transmit to other  mobile phone users. Without it or a defective one will result that the other user on a phone cannot hear the one with a defective microphone on its mobile phone handsets.
 A technical term of a microphone is a device used to convert sounds   into electrical  signal.
A microphone is made of an electrical magnetic wire shaped into a round coil with a magnet metal surrounds it,  the mechanical vibration  generated by it will then produce an electrical voltage signal.

How to Test Mobile phone Microphone or Mouthpiece Checking+mic
Checking the microphone is also been so easy, Just set the analog or digital multi-tester to x1 resistance value then attach both test probe to its terminal. A good sign of a working microphone tends to have a reading while the busted one will have no reading. In some other cases types of microphones may only have a reading to the range of x10 for some high resistance value.

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