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Flow Chart of Troubleshooting
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9-13
9-8. Earphone Part
TP408 "L"?
Check UCP300
END
No
Yes
Yes
Receiver does not work
Replace the Receiver and check UCP300
No
Yes
Is Receiver working?
No
Resolder U601
Yes
No
Resolder IFC400
IFC400 pin 5, 7 short?
Yes
U601 pin C7, C8 ≥ 1V?
Summary of Contents for SGH-Z400
Page 32: ...8 PCB Diagrams 8 1 Top ...
Page 33: ...PCB Diagrams 8 2 Bottom ...