Nokia 1800 Mic solution

Nokia 1800 microphone problem is common.This problem can be many reasons that are so damaged microphone or line means micro microphone broken parts . Now , I show you how to fix it.At first see the image below works then. How to make this work : passing a check , or a change of micro if you see the same problem , then check the red line ways.If that well , but still the problem then check the linked micro parts.