Nokia 6760s slide MIC microphone problem jumper ways solution

 Nokia 6760s slide MIC microphone problem solution

This is a solution for Nokia 6760s  with microphone problem, this will give you some hints on how to fix  it.
The given images below shows which components needs to check before doing any replacements.

On Nokia 6760 slide the digital microphone is mounted on the flex cable ribbon assembly. Therefore, you may need to visually check the whole flex cable wire assembly, clean the flex pin connector before proceeding to check any other associated components that is connected to the MIC.

Now, to make it quicker and easier, you may try to replace the whole flex assembly if you have it available to avoid some hassles and saves a lot of time. This is the most convenient part on fixing the Nokia 6760 MIC problem.

But, if you don't have any replacement flex cable assembly replacement or having hard time where to buy it, and also seems that the flex is okay, you may refer to the solution below for it helps on how to diagnose the problem.

Here's how to troubleshoot The Nokia 6760 MIC problem, you'll only need a little bit of your effort and skills:
1. Check the resistors resistance near the microphone. Replace or just short it for a while. Test the phone.
2. Replace the MIC filter IC or remove it and apply the jumper solution. Then have a test the phone again
3. Replace the digital microphone.

If all of the above procedure doesn't solved the problem, or already tried replacing the whole flex cable assembly but nothing happens, the possible problem may lies on the power IC (AVILMA)
A re-hot or reworking it might only fix the problem. Then replace it if necessary.