Samsung GT-P5100 Service Manual page 29

Level 3 Repair
8-3-4. Microphone Part
Check microphone function
in voice call loudSPK mode
or in camcording mode
Check Earjack module where
MIC is placed
for any damage (Tear in FPC,
Check the voltage at
C411 = 2.8V
Check component soldering
status of C418, C419
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Yes
etc)
Yes
Yes
Yes
END
No
Replace the MIC module
No
Resolder or replace U402
No
Resolder or replace C418, C419
8-10