Troubleshooting 25DX-24E150A115 If you select Custom, press or to highlight Custom Label,then press ENTER.6 Press or to select a character, then press or to move tothe next position. Repeat this step to add more characters.7 To reset the label to factory default, press or to highlightReset Label then press ENTER.8 Press EXIT to close the menu. The next time you press the INPUTbutton on the remote control, you will see your new label in theINPUT SOURCE menu.Restoring default settingsCaution: When you restore default settings, all the settings (except thepassword and parental rating) you have customized are reset.To restore default settings:1 Press MENU. The on-screen menu opens.2 Press or to highlight SETTINGS, then press . TheSETTINGS menu opens.3 Press or to highlight Reset to Default, then press ENTER.A confirmation box opens.4 Press or to select Yes, then press ENTER.5 Press EXIT to close the menu.TroubleshootingWarning: Do not try to repair your TV yourself. Contact authorized servicepersonnel.Video and audioPICTURE AUDIO CHANNELS SETTINGSModeAdvanced VideoSharpnessTintColorContrastBrightnessEnergy Savings60705748PICTURE AUDIO CHANNELS SETTINGSParental ControlsReset to DefaultComputer SettingsInput LabelsClosed CaptionTimeMenu SettingsProblem SolutionNo picture (screen isnot lit) and nosound.• Make sure that the power cord is pluggedin.• Press POWER on the TV or the remotecontrol.• Make sure that the correct video inputsource is selected. For more information,see “Selecting the video input source” onpage 11.• Try another channel. The station may beexperiencing problems.Dark, poor, or nopicture (screen is lit),but sound is good.• Adjust the brightness. For moreinformation, see “Adjusting the TV picture”on page 12.• Make sure that the correct picture mode isselected. For more information, see“Adjusting the TV picture” on page 12.• Make sure that the antenna or cable TV isconnected correctly and securely. For moreinformation, see “Connecting an antenna,cable TV, or satellite TV box” on pag 8.No color, darkpicture, or color isnot correct.• Adjust the color saturation. For moreinformation, see “Adjusting the TV picture”on page 12.Only snow (noise)appears on thescreen.• Try another channel. The station may beexperiencing problems.• Make sure that the antenna or cable TV isconnected correctly and securely. For moreinformation, see “Connecting an antenna,cable TV, or satellite TV box” on page 8.• Check the signal strength of the channel.See “Checking the DTV signal strength” onpage 16.Dotted lines orstripes appear onthe screen.• Adjust the antenna.• Move the TV away from noise sources suchas cars, neon signs, or hair dryers.Double images. • Use a highly directional outdoor antenna orcable TV.The picture has afew bright or darkspots.• A few bright or dark spots on an LCD screenis normal. It does not affect the operation ofthis TV.Good picture, but nosound.• Make sure that the sound is not muted.• Make sure that the sound mode is set toStereo or Mono. For more information, see“Adjusting sound settings” on page 13.Audio noise. • Make sure that there is no interference withinfrared equipment such as a cordlesstelephone or headphones. Move theinfrared equipment away from the TV toeliminate the noise.