Microphone Part (Sub Mic) - Samsung GT-P3100 Servise Manual

Level 3 Repair

8-3-6-1. Microphone Part (Sub MIC)

Check Sub microphone function
in voice call loudSPK mode
or in camcording mode
Yes
Check Earjack module where
No
Sub MIC is placed
Replace the Earjack module
for any damage (Tear in FPC,
etc)
Yes
No
Check the voltage at
Resolder or replace U403
C416 = 2.8V
Yes
No
Check component soldering
Resolder or replace C424, C426
statuses of C424, C426
Yes
END
8-15
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