Lenovo A316 Troubleshooting Manual page 24

3.11 MIC not work
MIC not work
Check MIC soldering &
re-solder
N
Change MIC ok?
N
Check sub-board connection
soldering & assembly OK?
Re-soldering & assembly
N
Re-soldering audio codec
Y
Re-solder MIC
Y
ＯＫ
Y
OK
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