Samsung UN75ES9000F E-Manual page 603

Diagnosis
If the problem does not appear in the
Picture test, make sure:
ΠYour connections are all consistent.
For example, if you've used the AV In
jack on your TV, make sure you have
used the AV Out jack on your video
source.
ΠYou have connected to your devices
to the correct jacks. For example,
if you use the Component jacks,
→
Picture Test