English - 22TroubleshootingIf the TV seems to have a problem, first review this list of possible problems and solutions. Also, review theTroubleshooting Section in the e-Manual. If none of the troubleshooting tips apply, visit www.samsung.com/support or call Samsung Customer Service at 1-800-SAMSUNG (1-800-726-7864).Issues Solutions and ExplanationsFlickering and Dimming If your Samsung Television is flickering or dimming sporadically, you may need to disable some of theenergy efficiency features.Disable Energy Saving (System > Eco Solution > Eco Sensor) and/or Energy Saving (System > EcoSolution > Energy Saving) and check again.Component Connections /Screen Color If you find that the color on your Samsung television screen is not correct or the black and white colorsare off, run a Self Diagnosis Picture Test (Support > Self Diagnosis > Picture Test).If the picture problem is caused by the TV, the problem should be visible in the Picture Test. If the problemis not visible, next confirm that the TV's video input jacks are connected to the correct external videodevice output jacks and that none of the connections are loose. Finally, if possible, test your externalvideo devices by connecting them to another TV.Screen Brightness If you find that the colors on your Samsung TV are correct but just a little too dark or bright, try adjustingthe following settings first.Navigate to Picture and adjust Cell Light, Contrast, Brightness, Sharpness, Color, Tint (G/R) andother picture quality adjustment settings.Unwanted Powering Off If your Samsung TV appears to turn off by itself, try disabling some of the TV's energy efficiency andautomatic off features. Check if Sleep Timer (System > Time > Sleep Timer) has been enabled. SleepTimer automatically turns off the TV after an amount of time that you select. If the Sleep Timer has notbeen enabled, see if No Signal Power Off (System > Eco Solution > No Signal Power Off) or AutoPower Off (System > Eco Solution > Auto Power Off) has been enabled. No Signal Power Off turnsoff the TV if no signal has been received by the TV for a specified period time. Auto Power Off turns offthe TV if there has been no user input in four hours.Trouble Powering On When the TV is turned on, the remote control receiver flashes 5 times before the screen turns on.If you find that you are having problems powering on your Samsung television, there are a number ofthings to check before calling the service department.If the power cord is connected properly and the remote control is operating normally, the problem mightbe with the antenna cable connection or the cable/satellite box not being turned on. Check the antennaconnection or turn on the cable/satellite box.Stand Assembly If you have any trouble assembling the stand, review the stand assembly instruction in the Quick StartGuide.Cannot Find a Channel Re-run Setup (Go to Menu > System > Setup) or run Auto Program. (Go to Menu > Broadcasting >Auto Program).✎ For detailed troubleshooting information, watch the troubleshooting videos at www.samsung.com/spsn.