Flow Chart of Troubleshooting and Circuit Diagrams
5-5 Microphone Part
Microphone does not work
Resolder MIC FPCB
Check
the connection
from MIC
END
No
Yes
Yes
Check the circuit
From U200 to MIC
Resolder the C603, C610, R601,
R603, R606, and R617
Yes
No
Check the MIC
No
Replace the MIC
Yes
5-9