Samsung UN40D5550RF E-Manual page 151

● Test: Use the built-in melody to check for sound problems.
Sound
If you hear no sound from the TV's speakers, before performing the sound
N
test, make sure
and then try the speakers again.
You will hear the melody during the test even if you have set
N
Select
MUTE
Yes: Select
▶
speaker during the sound test. There may be a problem with the TV. Contact
Samsung's Call Center for assistance.
No: Select
problem with your external equipment. Please check your connections. If the
problem persists, refer to the external device's user manual.
Speaker Select
to External Speaker
button.
Yes if you can hear sound from only one speaker or from neither
if you can hear sound from the speakers. There may be a
No
is set to
TV Speaker
or have muted the sound by pressing the
English
in the menu,
Sound
Speaker
▶