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Flow Chart of Troubleshooting
9-5. Earphone Part
Earphone does not work
Yes
Solder pin 5,6,7 of IFC300
Not OK
Check the circuit
L304, L306, L307, L309 and L310
of IFC300
again and check U201
OK
Not OK
Check the U201
Solder U201 or replace U201
Pin R19, T19
Not OK
Check EAR SW
Solder U310 again
Ok
END
9-10
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