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Flow Chart of Troubleshooting
10-9
10-1-5. Speaker part
Is there any signals at the
pin #3(R507), #4(R508)?
There is no sound from the speaker
Is the Normal Mic path
component soldering status
ok ?
Check the MSM6280
Resolder the trouble point
No
Yes
Yes
Yes
No
Change the speaker module
END
Is there any signals at the
pin #9, #16?
Yes
Check the U501
No
Summary of Contents for SGH-F400
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