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3.10.4 SUB MIC troubleshooting
Sub MICsignal is generate by MEMS MIC on Main PCB
Check the MIC signal by
Change the MIC hole and clean up.
Change the WCD9302(U1600).
LGE Internal Use Only
START
Loopback test
is vioce signal OK?
No
Change the MIC.
Is vioce signal OK?
No
is vioce signal OK?
No
Change the Main PCB
Yes
Yes
Yes
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3. TROUBLE SHOOTING
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