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

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

Samsung galaxy Not 2 GT-7100 Microphone Part (Sub MIC) Not Working Solution Step By Step

Step 1

Check Sub microphone function
in voice call loudSPK mode

Step 2

Check Sub MIC Soldering
for any damage
Resolder or replace MIC600

Step 3

Check the voltage at
C654 = 2.8V 
Check U601 function

Step 4

Check component soldering
statuses of C634, C637
Resolder or replace C634, C637

Step 5

END
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Samsung Galaxy Not 2 GT-7100 Microphone Part (Sub MIC) Not working Solution 
Samsung Galaxy Not 2 GT-7100 Microphone Part (Sub MIC) Not Audio Solution
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Updated: 09/12/2015 — 11:03 PM

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