Samsung GT-N5110 Service Manual page 36

Level 3 Repair
8-3-4. Microphone Part
Check microphone function
in voice call speaker mode
or in voice recording mode
Check Power&Volume key
FPCB where MIC is placed
for any damage (Tear in
FPCB, etc)
Check the voltage at
C414 = 2.8V
Check component soldering
status of C422, C424, L403,
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Yes
Yes
Yes
L405
Yes
END
No
Replace the Power&Volume key FPCB
No
Resolder or replace C414
No
Resolder or replace C422, C424, L403, L405
8-11