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5-6
SGH-A408 Flow Chart of Troubleshooting and Circuit Diagram
Speaker does not work
Y
Y
N
Y
Check the
connection from CN601
to LCD Module
Replace Flexible PCB
N
Y
Check the
voltage on the speaker
line lands on LCD
Module
Change the LCD Module
N
Y
Is Speaker working ?
Replace the Speaker
or resolder Speaker
END
5-6. Speaker Part
Check the connection between CN601
and LCD Module connector