Acer Iconia Tab A700 - Internal down Microphone Failure

4-9 Troubleshooting
Internal Down Microphone Failure
If the bottom internal microphone fails, perform the following:
Figure 4:7. Internal Down Microphone Failure
Start
Check
the Down MIC
Swap the Down MIC
OK
NG
Check Docking/B
Swap Docking/B
OK
NG
Swap M/B
Check Docking/B
To M/B FPC
Swap the FPC
OK
NG
OK