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 modulewhere main MIC is placed
for any damage (Tear in FPC,
etc)
Change the Sub-PCB module
Step 3
Check the voltage atC656 = 2.8V
Resolder or replace U609
Step 4
Check component solderingstatuses of C621, C622
Resolder or replace C621, C622
Step 5
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Samsung Galaxy S2 GT-I9100 Microphone Part (Main MIC) not working Solution
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