SAMSUNG Proprietary-Contents may change without notice
SGH-P408 Flow Chart of Troubleshooting
This Document can not be used without Samsung's authorization
3-
9
5. Microphone Part
Is the assembled status
of microphone O.K?
Microphone does not work
C420
ㆃ
2.0V
Reassemble the microphone
Solder the microphone again or
Replace C409,C416,R407,R409,R410,R411
END
No
Yes
Yes
Yes
Yes
No
Is microphone ok?
No
Check U700
Check the reference voltage on mic path