9-1-4. Speaker Part (Melody)
No sound from Speaker
YES
Is the connection of
speaker and PBA OK?
YES
Check the speaker FPCB.
Is the speaker FPCB OK?
YES
Is there any signal
at TP500 , TP501,TP502 ?
YES
Is there any signal
at L502, L503?
YES
Replace speaker Module
YES
END
NO
NO
NO
NO
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Reconnection speaker connector
Replace speaker module
Check U501
Check U501
9-9
Flow Chart of Troubleshooting