Samsung UN55FH6200FXZA - Manual (Page 610)

jack on your TV, make sure you have
used the AV Out jack on your video
source.
ΠYou have connected your devices to
the correct jacks. For example, if you
use the Component jacks, labeled
Pb, Pr, and Y, to connect your TV and
video source, make sure you have
connected the blue Pb jack on the
video source to the blue Pb jack on
the TV, the red Pr jack on the video