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Flow Chart of Troubleshooting
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9-11
9-6. Speaker Part(Melody)
U801 pin 27, 30 = "H"?
Speaker does not work
U801 pin 2, 5 ≒ 1.8V?
(When U801 operate)
Resolder U801
No
Yes
No
Resolder or replace U801
Yes
SPK600 pin 1,2 ≒ 1.8V?
(When U800 operate)
Resolder SPK600
No
Yes
END
Yes
Is Speaker working?
Change the Speaker
No
Yes
Summary of Contents for SGH E590 - Cell Phone 70 MB
Page 36: ...8 PCB Diagrams 8 1 Top ...
Page 37: ...PCB Diagrams 8 2 Bottom ...