Microphone Does Not Work; Microphone Part - Samsung GT-E2232 Service Manual

8-5. Microphone Part

Main MIC

Microphone does not work

MiC hall will be checked
blocked up by MIC rubber
Check the status of
Check the MIC sample.
(it be possible the problem)
Yes
or others
OK
R401 ≒ 2.2V
at MIC Active?
YES
soldering
L400, L401
(ex. Crack)
OK
(MIC 400)
OK
END
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Not OK
MIC rubber set correctly
No
Replace UCP200 using a Heatgun
(Because if not soldering well)
Not OK
(not work if those is not connected)
Not OK
Replace an another MIC (MIC400)
(because of being possible the problem)
8-16
Level 3 Repair
or Clean the MIC hall
Resolder L400, L401