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Flow Chart of Troubleshooting
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9-11
9-4. Speaker Part(Melody)
C520(AVDD) = 3.0V?
Speaker does not work
Check the Clock signal at
Pin 4 of U502 (19.2MHz)
Check the clock generation circuit
(related to 501)
END
No
Yes
No
Resolder or replace U500
C524 ≒ 1.5V?
(When UCP300 operate)
Resolder U501
Yes
No
Yes
Is Speaker working?
No
Change the Speaker
Yes
Yes
Summary of Contents for SGH-P940
Page 52: ...7 Block Diagrams 7 1 ...
Page 53: ...Block Diagrams 7 2 ...
Page 54: ...8 PCB Diagrams 8 1 Top ...
Page 55: ...PCB Diagrams 8 2 Bottom ...