3. TROUBLE SHOOTING
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4. 12. 4 SUB MIC troubleshooting
Sub MICsignal is generate by MEMS MIC
3.10.3 Main MIC troubleshooting
Main MICsignal is generate by MEMS MIC
START
Check the MIC signal by Loopback test
or camera recording
Check the mic hold and clean up.
Is voice signal OK?
Change the mic(MIC6100).
Is voice signal OK?
Change the MT6323(U4100).
Is voice signal OK?
Change the main PCB
END
END
END
No
No
No
Yes
Yes
Yes
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