Samsung SGH-E340 - Microphone Part

SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
This Document can not be used without Samsung's authorization
7-9
7-5. Microphone Part
Check the connection
from MIC
Check the circuit
from U200 to MIC
Resolder MIC
Resolder the C603, C607, R601, R604
R630, R631
END
No
Yes
Yes
Yes
Yes
No
Check U601, U602 PIN 1
= ' H' ?
No
Check the JACK_EN signal
Microphone does not work
Yes
Check the MIC
No
Replace the MIC