AppendixENG 10-6TroubleshootingProblem Possible SolutionNo power Check if you pressed POWER on the remote control unit.Is the AC cord disconnected?Has the power been turned on?Unit cannotbe operated.External influences such as lightning, static electricity, may cause improperoperation. In this case, operate the unit after first turning off the power of theTV or unplugging the AC cord and replugging it in after 1 or 2 minutes.Remotecontrol unitdoes notoperate.Is the equipment to be operated by the remote control unit set correctly?Press TV to set the remote control unit to the setting for operating the TV.Are batteries inserted with polarity (+, -) aligned?Are batteries worn out? (Replace with new batteries.)Are you using it under strong or fluorescent lighting?Is a fluorescent light illuminated near the remote control sensor?Picture is cutoff/withsidebarscreen.Is the image position correct?Page 7-1Are screen mode adjustments such as picture size made correctly?Pages 3-14 to 3-16Strange color,light color, orcolormisalignmentAdjust the picture tone.Pages 4-17 to 4-20Is the room too bright? The picture may look dark in a room that is too bright.Power issuddenlyturned off.Is the sleep timer set?Pages 3-9Check the power control settings.Page 4-25The unit's internal temperature has increased. Remove any objects blockingvent or clean.Problem Possible SolutionNo picture Is connection to other components correct?Is the correct input selected?Pages 2-1Is "On" selected in "Audio Only"?Page 4-25If the PC image is not displayed, check the following:- When connecting a laptop PC to the TV, check that displayoutput mode of the PC is set to external monitor.- Check the resolution setting on the PC. Is a non-compatiblesignal being input?Page 7-9Picture quality of HDprograms is poor.To enjoy HD images from external equipment, you are required toset up HDMI connection or component connection.If the program content is not of HD quality, HD images cannot bedisplayed. Check that the program you are viewing provides HDimages.The HD cable/satellite set-top box may need to be configured tooutput HD images via cable/satellite.The cable/satellite broadcast may not support a signal resolutionof 1080p.The TV sometimesmakes a cracking sound.This is not a malfunction. This happens when the cabinet slightlyexpands and contracts according to change in temperature. Thisdoes not affect the TV's performance.Some Internet functionsused on a PC are notavailable from the TV.The TV has only limited functions compared with regular PCbrowsers.Pages 8-7 to 8-9