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Flow Chart of Troubleshooting
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9-11
9-6. Speaker Part(Melody)
Speaker does not work
PM300 pin G9, J8 = 'H'
When speaker works
Resolder HDC400, ZD406
No
Yes
No
Change Receiver Module
Does not work Voice call?
Yes
Yes
Resolder HDC400
or Change Speaker Motor Ass'y
Is Speaker working?
END
No
No
Yes
Does not work Ringtone
and MP3?
Change Speaker Module