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Flow Chart of Troubleshooting
9-14
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9-6. Speaker Part
END
U603 pin F6 = 2.9V?
Check input signal is ok ?
Resolder L610, L611, C634, C638
No
Yes
No
Check the PMU related to
+VDD_IO_HIGH_2.9V
Yes
Check output signal is ok ?
Resolder C629, C630, C631, C632
No
Yes
No
Is Speaker working?
Change the Speaker
Yes
Yes
Speaker does not work