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Flow Chart of Troubleshooting
9-6
9-4. Microphone Part - Phone MIC
Phone MIC does not work
Yes
Not OK
Check the connection
of MIC
Solder MIC again
Yes
Replace MIC
OK
Is Phone MIC working?
OK
Solder TA400, R409 again
Check the components
which are connected to
MIC_BIAS_2.15V
Solder C401,C403, C406, L400, L401,
R401, R407 and C403 again
Check the circuit
of MIC PART
OK
END
Solder C321 again and check U300
Check MIC_BIAS_2.15V
( When UCP200 operates
and call is connected )
Not OK
Not OK
No
Not OK
OK
Содержание SGH SGH-M110
Страница 28: ...Block Diagrams 7 2 7 2 RF Solution Block Diagram ...
Страница 29: ...8 PCB Diagrams 8 1 Main top view ...
Страница 30: ...PCB Diagrams 8 2 Main bottom biew ...
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