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Samsung galaxy S2 GT-I9100 Microphone Part (Main MIC) Not Working Solution

Samsung galaxy S2 GT-I9100 Microphone Part (Main MIC) Not Working Solution Schematic Circuit Diagram
                                
when your voice not reaching to other person then your mic is not working.Such as-
1.when our mic is not work to send our voice.
2.when our voice is not reach to other person.
3.when our voice is not going to another person.
4.occasionally our voice recording is not response.
5.During video recording our voice is not work.
6.when we calling other person then his voice is come but our voice is not going.

To get these problems solution please follow these steps-
Samsung galaxy S2 GT-I9100 Microphone Part (Main MIC) Not Working Solution Step By Step
Step 1
Check main microphone function
in voice call receiver mode

or in Voice Recording mode

Step 2

Check Sub-PCB module
where main MIC is placed
for any damage (Tear in FPC,

etc)

Change the Sub-PCB module

Step 3

Check the voltage at

C656 = 2.8V

Resolder or replace U609

Step 4

Check component soldering

statuses of C621, C622

Resolder or replace C621, C622

Step 5

END

Unofficial Support Site For This Phone By welcome Zone Haldwani 

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Samsung Galaxy S2 GT-I9100 Microphone Part (Main MIC)  not working Solution 
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