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Flow Chart of Troubleshooting
9-14
9-6. Speaker Part(Melody)
Speaker does not work
Is the terminal of speaker
OK?
check the specker
No
Yes
No
Resolder SPK_P (R401)
SPK_N (R400)
Check the
SPK_P & SPK_N
"HIGH"
Yes
Yes
Change speaker
Is it works?
END
No
No
Yes
Check HI_MONO_OUT_P,N
LO_MONO_OUT_P,N
check the element related
Resolder of replace U400