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Flow Chart of Troubleshooting
9-8
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9-1-4. Speaker Part (Melody)
No sound from Speaker
YES
NO
YES
NO
Check the speaker FPCB.
Is the speaker FPCB OK?
YES
Reconnection speaker connector
Replace speaker Module
YES
END
Replace speaker module
Check UCP300
Is there any signal
at R507?
YES
Check U500
Is the connection of
speaker and PBA OK?
Is there any signal
at L500, L501?
NO
NO
YES