SGH-X481 Flow Chart of Troubleshooting
2-7
2-1-4.Microphone Part
* Call with Sim before testing.
Check the soldered
status of microphone
MicroPhone does not work
Resolder microphone
END
No
Yes
Yes
Check the reference
voltage on mic path
R418
≒
2.0V
Yes
Resolder or change
C423
No
Is microphone OK?
Yes
Check
U100
No
1
2
Содержание SGH-X481
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