Samsung galaxy Not 2 GT-7100 Microphone Part (Main MIC) Not Working Solution

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Samsung galaxy Not 2 GT-7100 Microphone Part (Main MIC) Not Working Solution Schematic Circuit,Diagram

Samsung galaxy Not 2 GT-7100 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

C607 = 2.8V 

Resolder or replace U600

Step 4

Check component soldering

statuses of C625, C626

Resolder or replace C625, C626

Step 5

END

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