Microphone Part (Sub Mic) - Samsung GT-i9100 Service Manual

Level 3 Repair

8-3-5-1. Microphone Part (Sub MIC)

Check Sub microphone function
in voice call loudSPK mode
or in camcording mode
Yes
Check RCV-Earjack module
No
where Sub MIC is placed
Replace the RCV-Earjack module
for any damage (Tear in FPC,
etc)
Yes
No
Check the voltage at
Resolder or replace U610
C658 = 2.8V
Yes
No
Check component soldering
Resolder or replace C627, C630
statuses of C627, C630
Yes
END
8-14
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