There Is a Problem with the PictureTesting the picture(MENU/123) MENU Support Self Diagnosis Picture Test Try NowBefore you review the list of problems and solutions below, use Picture Test to determine if theproblem is caused by the TV. The Picture Test displays a high definition picture you can examine forflaws or faults.The problem Try this!Flickering andDimmingIf your Samsung Television is flickering or dimming sporadically, you may need todisable some of the energy efficiency features. Disable Energy Saving ((MENU/123)MENU System Eco Solution Energy Saving) or Eco Sensor ((MENU/123)MENU System Eco Solution Eco Sensor).ComponentConnections/ScreenColourIf the colour on your Samsung television screen is not correct or the black andwhite colours are off, run Picture Test ((MENU/123) MENU Support SelfDiagnosis Picture Test).If the test results indicate that the problem is not caused by the TV, do thefollowing:● Confirm that the TV's video input connectors are connected to the correctexternal device video output connectors.● Check the other connections as well. If the TV is connected to an externaldevice via a component cable, confirm that the Pb, Pr, and Y jacks are pluggedinto their proper connectors.Screen BrightnessIf the colours on your Samsung TV are correct but just a little too dark or bright,try adjusting the following settings first.● Go to the Picture menu and adjust the Backlight, Contrast, Brightness,Sharpness, Colour, and Tint (G/R) settings.Ghosting, Blurring, orJudderingIf you notice ghosting or blurring on the screen, use the Auto Motion Plusfunction((MENU/123) MENU Picture Picture Options Auto Motion Plus)to resolve the issue.Unwanted PoweringOffIf your Samsung TV appears to turn off by itself, try disabling some of the TV'senergy efficiency functions. See if Sleep Timer ((MENU/123) MENU SystemTime Sleep Timer) has been enabled. The Sleep Timer automatically turns theTV off after a specified period of time. If the Sleep Timer has not been enabled,see if No Signal Power Off ((MENU/123) MENU System Eco SolutionNo Signal Power Off) or Auto Power Off ((MENU/123) MENU System EcoSolution Auto Power Off) has been enabled and disable them.Problems Powering OnWhen the TV is turned on, the remote control receiver flashes 5 times before thescreen turns on.If you are having problems powering on your Samsung television, there are anumber of things to check before calling the service department. Confirm that theTV's power cord is connected correctly at both ends and that the remote controlis operating normally. Make sure that the antenna cable or cable TV cable is firmlyconnected. If you have a cable/satellite box confirm that it is plugged in and turnedon.Unable to find aChannelIf your TV is not connected to a cable box or satellite box, run Setup ((MENU/123)MENU System Setup) or Auto Tuning (Broadcasting Auto Tuning).