Samsung Yepp YP-U3, Service Manual

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4-2 Samsung Electronics
1-2. No Sound
Are the earphones
inserted properly?
Replace the earphones and
check if the symptoms persist.
Re-solder the jack and
check if you can play music.
Can you play the
Yepp logo song?
Is the sound from both
R and L channels normal?
Is the sound played intermittently,
or can you hear noise?
Do the symptoms persist when
you play another file?
Update the firmware with
the latest version and check if the
symptoms persist.
Replace the board.
(Thorough examina-
tion is required.)
End
Replace the earphones.
Replace jack.
NO
NO
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
YES
YES