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Flow Chart of Troubleshooting
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9-11
9-6. Earphone Part
END
Yes
Earphone does not work
Yes
Not OK
Solder pin 5,6,7 of IFC500
, L501, L502 and L503 again
Check the circuit
of IFC500
OK
Check the voltages of
R507, R508, R509 and
R510 are 2.8V
Not OK
Solder R510 again
OK
Not OK
Check the circuit
R503, R506 and U401
Solder R503 and R506 again
OK
No
Check R216 and R217
No
Check UCP200 or Change UCP200
Is JACK_INT signal
LOW?
(When UCP200 operates)
Solder R508 again
Check EAR SW
Solder F506 again
Not OK
No
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 ...
Страница 75: ......