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Flow Chart of Troubleshooting
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9-10
9-6. Speaker Part
Speaker does not work
Check the supply voltage
of U601.
Is the TA632 = 3.8V ?
Check the VBAT or replace TA632
No
Yes
Is the D-Amp(U601)
output working?
Check R621 and R622
Resolder R621/R622 or replace U601
No
Yes
END
Is Speaker working?
Change the Speaker
No
Yes
Yes
Check the connection
status of SPK
Re-solder the Speaker
No
Yes
Summary of Contents for SGH-E380
Page 32: ...8 PCB Diagrams 8 1 Top ...
Page 33: ...PCB Diagrams 8 2 Bottom ...