Samsung UN46ES7500FXZA E-Manual page 616

jacks. Incorrect or loose connections
may cause color problems or a blank
screen.
The color is poor or the picture is not bright
enough.
Adjust the
menu (go to
Brightness
Adjust the
TV menu (go to
→
Energy
Picture options in the TV
Picture Mode
/ Sharpness)
Energy Saving
System
Saving)
/ Color
option in the
→
Eco Solution
/