Level 3 Repair
8-3-5. Microphone Part
Check main microphone function
in voice call receiver mode
Yes
No
Check the MIC or MIC_FPCB
Change MIC or MIC_FPCB
(short, crack, etc)
Yes
No
Check the voltage at
Resolder or replace U402
C407 = 2.1V
Yes
No
Check component soldering
Resolder or replace C434, C435
statuses of C434, C435
Yes
END
8-12
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization