Samsung UE40ES7000U E-Manual page 156

speakers and the speakers attached to
your audio receiver. If this occurs, set
the TV to
N
When
External
are turned off. You will hear sound
through the external speakers only.
When the
Speaker, both the TV's speakers and
the external speakers are on. You
will hear sound through both.
External
Speaker Select
Speaker, the TV's speakers
Speaker Select
Speaker.
is set to
is set to TV