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Flow Chart of Troubleshooting
9-12
9-7. Earphone Part
R512, R517 ≥ 100mV?
(When MP3 file is played)
Check UCP300
END
No
Yes
Yes
Earphone does not work
Replace the Earphone
No
Yes
Is Earphone working?
No
Resolder
U502, R512, R517
Yes
Yes
No
Resolder IFC600
IFC600 pin 5, 7 short?
Yes
U502 pin 16, 8 ≥ 100mV?
(When MP3 file is played)
No
Resolder U502
U502 pin 16, 8 ≥ 200mV?
(When MP3 file is played)
OK
Resolder L602, L603
Check the circuit
from IFC600 pin 5, 6, 7
to U502
Not OK
Summary of Contents for SGH-J200
Page 30: ...8 PCB Diagrams 8 1 TOP ...
Page 31: ...PCB Diagrams 8 2 BOTTOM ...