4. DOWNLOAD
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3.12.4. Main Mic Trouble Shooting
It’s operating voice call(except speakerphone), voice recording, camcorder recording
Check Mic hole & rubber to make the voice signal?
Check parts about Bias and signal
Mic works well?
Reconnect or change Mic Voice signal OK?
Change MT6323(U4100).
Mic works well?
START
END
Check the Mic signal by test mode
or Voice recording.
Change Main Board
No
No
Yes
Yes
Yes
Yes
No
No
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