Samsung PN51E6500EFXZA - Manual (Page 248)

sound test, make sure Speaker Select
is set to TV Speaker in the Sound
menu, and then try the speakers
again.
N You will hear the melody during the
test even if you have set Speaker
Select to External Speaker or have
muted the sound.
Yes : Select Yes if you can hear sound
from only one speaker or from neither
speaker during the sound test. There