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2-1-5. Microphone Part
Micro-Phone does not work
YES
Is the assembled status of
Microphone O.K?
YES
Check the Voltage of R220
Is ≒ 2.9V
YES
IS Microphone OK?
YES
END
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SGH-Z510 Flow Chart of Troubleshooting and Circuit Diagrams
NO
Reassemble Microphone
NO
Check the Path around MIC
Bias circuit
NO
Check UCP100(MSM6250)
V_MIC
R220
C229
R221
MIC1P
MIC1N
R222
R224
2-13
C230
MIC1P
C233
MIC1N
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