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8. Level 3 Repair
8-4-9-1. Microphone Part - Main MIC
Check main microphone function
in voice call Handset mode or voice recorder
Check the voltage of L9019
at SUB PBA = 1.8V
Check the MAIN_MIC_P data
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mode
Yes
No
Yes
No
at C7026
Yes
No
END
No
replace MAIN FPCB or MAIN PBA
No
Replace SUB PBA
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