User Guide

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Flow Chart of Troubleshooting
10-8
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10-1-8.
Mp3 part
NO
Replace the Earphone
There is no MP3 sound from Earphone
YES
Is there any signal
at the R406
,
R408?
NO
YES
END
Is there any signal
at the pin
#5,7
of IFC400
?
NO
YES
Check
&
Replace TA401, TA402
Check U400
Is there any signal
at the pin
#4,#16
of U400
?
Check UCD300