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Flow Chart of Troubleshooting
9-6. Speaker Part(Melody)
Speaker does not work
Is the terminal of speaker
SPK_L_P & SPK_L_N or
SPK_R_P & SPK_R_N
Check the output circuit of
OK?
Yes
Check the
"HIGH"
Yes
U400(Audio AMP)
Yes
Is speaker OK?
Yes
END
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No
①
No
Check the SPEAKER connector
②
No
Change or resolder
No
Change speaker module
9-11
check the specker
around U400
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