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Tuesday, February 26, 2013

3720C Mic, mouthpiece microphone repair solution

here's a solution that may help repair a Nokia 3720 classic microphone failure. The solution shown below will help you guide to check and trace the components and tracks for the microphone circuit on Nokia 3720 classic.

Nokia 3720c Mic, mouthpiece microphone problem solution 
(microphone failure repair)
nokia 3720c mic jumper ways solution

before trying to replace a new DigiMic microphone first try to trace the line paths od digimic supply voltage and the DigiMic clock and then the corresponding chip resistors that is mounted near to it, the three resistors has a resistance value of 100 ohms each.

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