5012 TroubleshootingSituation SolutionNo picture and sound.• Connect the power cord properly.• Check if the power LED is on or not.• Press power on the control panel or remotecontrol.• Press source to cycle through connectedvideo sources.• Press channel up or channel down toswitch to other TV stations.• Make sure all cables are connectedproperly.No picture, or poor picture, sound is OK.• Check the antenna and cable connections.• Adjust the brightness in the OSD menus.See “Color Temperature” on page 34.Picture is not in color.• Adjust the saturation in the OSD menus.See “Color Temperature” on page 34.• Make sure all the cables are connectedproperly.Picture is OK, no sound.• Make sure the source device is functioningproperly.• Make sure the audio cable is connectedsecurely.• Turn the mute off.• Press volume up on the control panel orremote control.One of the speakers has no sound.• Adjust the balance in the OSD menus. See“Balance” on page 38.• Make sure the audio cable is connectedsecurely.Cannot receive some TV channels usingcable TV.• Try the Auto Program function in the OSD“TV Setting” menu. See “Auto Program” onpage 43.Want to reset TV settings. • Use the Reset function in the OSD menu.See “Preset” on page 35.Cannot operate menus.• If OSD items are colored in light blue, thesystem is in a state such that those settingsare not available.