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Flow Chart of Troubleshooting
9-10
9-5. Earphone Part
Earphone does not work
Yes
Not OK
Solder pin 5,6,7 of IFC300
L303, L304, L305, R303
again and check UCP200
Check the circuit
of IFC300
OK
Ok
Not OK
END
Check EAR SW
Solder R301again
Check the UCP200
Pin R19, T19
Solder UCP200 or replace UCP200
Not OK