Confidential and proprietary-the contents in this service guide subject to change without prior notice
Distribution, transmission, or infringement
of any content or data from this document without Samsung’s written authorization is strictly prohibited.
8. Level 3 Repair
8-4-9-1. Microphone Part
- Main MIC
Check main microphone function
in voice call Handset mode or voice recorder
mode
Yes
No
Check the voltage of
L9023 at board = 2.7V
No
replace MAIN FPCB
Yes
No
END
Check the MAIN_MIC_P data
at L9024
Yes
No
Replace MIC9000
No