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8. Level 3 Repair
8-4-8. Microphone Part
- Main MIC
Check main microphone function
in voice call Handset mode or voice recorder
mode
Yes
No
(SUB PCB)
Check MIC1000
(crack, open, damaged)
No
Replace MIC1000
Yes
No
Check the voltage at
C1019 = 2.8V?
No
Replace U5002 (PMIC_Codec)
Yes
No
END
Check L1022
(crack, open, damaged)
Replace L1022
Yes
No
No