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8-3-1-5. Microphone Part
Microphone does not work
Check Mic Vias
≥ 2.6V at C224?
Yes
Check MIC
inductor & Cap.
(crack,open,etc)
Yes
Check the MIC
FPCB (crack,open,
etc)
Yes
Check the MIC working
No
Resolder C224 or Replace UCP200
No
No
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Resolder L305, C312, C313
Replace the MIC FPCB
8-13
Level 3 Repair
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