Samsung GT-C3322 Metro Duos Microphone not Working Solution

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 Samsung GT-C3322 Metro Duos Microphone not Working Solution Schematic, Diagram ,Circuit 

                              Microphone ,Receiver not working 

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 GT-C3322 Metro Duos Microphone not Working Solution Step by Step

Microphone does not work

Step 1

Check Mic Vias

≥ 2.6V at

C227,C360?

Resolder C227,C360 or Replace UCP200

Step 2

Check MIC

inductor & Cap.

(crack,open,etc)

Resolder L305, C361, C362, C363

Step 3

Check MIC300

(crack,open,etc)

Replace MIC300

Check the MIC working

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