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8-3-5. Audio Part - Main MIC
Phone MIC does not work
Check the connection of
C316(V_MIC)=2.2V,OK?
Check the components which
are connected to V_MIC
(C313, C314, C315)
MIC300
YES
Check the voltage
YES
(L305)
YES
Check the circuit
of MIC PATH
YES
END
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NO
Resolder or Replace
NO
Check the UCP200
NO
NO
Resolder
8-15
Level 3 Repair
MIC300
Resolder
L305
C313, C314, C315
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