Mobile Phone All Mic Testing in Easy Way

Analog Mic Testing 

For testing the analog mic, put the multimeter in beep mode and put the red probe at the negative point of the mic and the black probe at the positive point, if the redding is coming, then the mic is correct1 then openshort on beep 

CRYSTAL MIC

To check this mic, put the multimeter in beep mode and place its red prob on the Gnd of the crystal mic and check the black probe by touching the mic's VDD and DATA point. If the raid is coming on both then the mic is correct. 1 open and short on beep


DIGITAL MIC

By keeping the multimeter in beep mode, keep the red probe on the mic's gnd and check the VDD CLK and DATA points one by one from the black probe. mic is correct when reding, open at 1, short when beep

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