This is the Lg E510 solution for not working Microphone problem. This solution simply shows which basic components needs to check or then replace if the said microphone doesn’t work.
The Lg E510 used a 5 pin digital microphone (DIGIMIC), and is mounted at the bottom of the PCB board. Refer to the solution below and do have check and replacement procedures on the highlighted components.
Lg E510 Mic Solution
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Lg E510 Microphone Solution
The solution above shows the conenction line paths of the MIC supply voltage, MICdata, MIC audio clock and ground pins, for easy tracing and check up procedure.