English - 65AppendixIdentifying ProblemsIf the TV seems to have a problem, first try this list of possible problems and solutions.If none of these troubleshooting tips apply, call your nearest Samsung service center.Problem Possible SolutionPoor picture quality. - Try another channel.- Adjust the antenna.- Check all wire connections.Poor sound quality. - Try another channel.- Adjust the antenna.No picture or sound. - Try another channel.- Press the SOURCE button.- Make sure the TV is plugged in.- Check the antenna connections.- Make sure the MUTE button is off.No sound or sound is too low atmaximum volume.First, check the volume of units connected to your TV (digital broadcasting receiver, DVD,cable broadcasting receiver, VCR, etc.). Then, adjust the TV volume accordingly.Picture rolls vertically. Check all connections.The TV operates erratically. Unplug the TV for 30 seconds, then try operating it again.The TV won’t turn on. Make sure the wall outlet is working.Remote control malfunctions - Replace the remote control batteries.- Clean the upper edge of the remote control(transmission window).- Check the battery terminals.- Press the TV button to put your remote control in the TV mode.- Make sure the remote has batteries.- Check that the “+” and “-” ends of the batteries are inserted correctly.Digital broadcasting screen problem. Please check the digital signal strength and input antenna.The image is too light or too dark. - Adjust the Brightness and Contrast.- Adjust the Fine tuning.The visual qualities of digital channelsvary.The visual qualities of digital channels may vary depending on the original productionmethod(analog or digital).- If the original production method is digital: High visual quality program.- If the original production method is analog: The digital program displayed on the screen isoriginally an analog program which has been converted to digital.The visual quality is of an SD(Standard Definition) grade.Although the TV caption shows HD,the visual quality is not satisfactory.The HD(High Definition) caption that appears when switching channels or when pressing theInformation button on the remote control means the selected channel is a digital channel.If the broadcasting station converts an analog signal into digital and transmits the signal, thevisual quality may not be perfect.➢ The display panel used for the DLP TV is composed of many tiny pixels.These pixels may occasionally appear on the screen.