
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Flow Chart of Troubleshooting
7-8
5. Microphone part
Check the connection
from MIC
Check the circuit
from U301 to MIC
Resolder MIC
Resolder the R400, R401, R403, R404,
L400, L401, C406, C411
END
No
Yes
Yes
Yes
Yes
No
Check the MIC
No
Replace the MIC
Microphone does not work