Table of Contents
Advertisement
Flow Chart of Troubleshooting
9-4. Microphone Part - Earphone MIC
Earphone MIC does not work
Yes
Not OK
Check the connection
Solder pin 3 of IFC300 again
of IFC300
OK
Not OK
Check MIC_BIAS.
Solder C305,C311 and R301 again and
( When U202 operates
check U201
and call is connected )
OK
Not OK
Solder L300, L301, R303, R304 and
Check the circuit
R305 again
of EAR MIC
OK
Repeat the sequence
Is Earphone MIC working?
No
Yes
END
9-8
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Advertisement
Table of Contents
