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