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8-3-1-5. Microphone Part
Microphone does not work
Check Mic Vias
≥ 2.6V at
C227,C360?
Yes
Check MIC
inductor & Cap.
(crack,open,etc)
Yes
Check MIC300
(crack,open,etc)
Yes
Check the MIC working
No
Resolder C227,C360 or Replace UCP200
No
Resolder L305, C361, C362, C363
No
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Replace MIC300
8-13
Level 3 Repair
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