No Sound - Samsung YP-U3 Service Manual

1-2. No Sound

NO
Is the sound played intermittently,
NO
Do the symptoms persist when
NO
the latest version and check if the
End
4-2
Are the earphones
inserted properly?
YES
Can you play the
Yepp logo song?
YES
NO
Is the sound from both
R and L channels normal?
YES
or can you hear noise?
YES
you play another file?
YES
Update the firmware with
symptoms persist.
YES
Replace the board.
(Thorough examina-
tion is required.)
NO
Replace the earphones and
check if the symptoms persist.
YES
NO
Re-solder the jack and
check if you can play music.
YES
NO
Replace the earphones.
Replace jack.
NO
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