Samsung UN55ES8000G E-Manual page 734

the screen.
Select
For details, refer to the
The Plasma TV is making a humming noise.
for PDP TV
a soft humming sound. This is normal.
It's caused by the electrical charges
that are used to create the images on
the screen.
If the humming sound is loud, you may
Home Use
Plasma TVs typically make
under Setup
Setup
mode.
Feature.