Table of Contents
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Flow Chart of Troubleshooting
9-8. Earphone Part
Receiver does not work
Yes
No
Check UCP303
U601 pin H3 "L"?
Yes
No
Resolder U601
U602 pin C7, C8 ≥ 1V?
Yes
No
Resolder IFC400
IFC400 pin 5, 7 short?
Yes
No
Replace the Receiver and check UCP303
Is Receiver working?
Yes
END
9-13
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