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SGH-N620E Flow Chart of Troubleshooting
7-8
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5. Microphone Part
CN200 pin 4, 5 = short ?
Microphone does not work
END
No
Yes
U102 pin 10 (AVCC) ≠ 2.5 V ?
No
Yes
Check the circuit RC Filer to
MIC201
No
Yes
Check soldering of MIC Module
No
Yes
Resolder CN200
Check the circuit related to U102
Resolder the
R230, R231, R220, R236
C219, C220, C221, C252
Replace the MIC or MIC Holder