Acer HARLEY TAB A3-A20 - Page 62

57
7. No echo, fail to record
YES
YES
NO
YES
NO
Yes YES
NO
YES
Check if MIC is soldered
well
Re-solder or replace MIC
No echo, fail to record (but there has ring tone)
Check if MIC sound
hole is jammed
Replace MIC and make bad
marks on the bad MIC
Replace MIC
Clean MIC sound hole
Repair the MB referring to the
troubleshooting guide for L3 repair
OK
Replace MB