Dynex DX-15L150A11 User Manual

Also see for DX-15L150A11: Quick setup guide Firmware update Quick setup guide Guía De Instalación Rápida User manual

28 TroubleshootingDX-15L150A11/DX19L150A11/DX-22L150A11TroubleshootingBefore calling for service, check the following information for possiblesolutions to problems you may experience. If none of these solutionswork, turn off the TV, then turn it on again.Caution: Do not try to repair the TV yourself. Refer all servicing toqualified repair personnel.Video and audioRemote controlProblem SolutionNo power. • Make sure that the power cord iscorrectly connected to your TVand a power outlet.• Unplug the power cord, wait 60seconds, then plug the cord backin and turn on your TV.No picture. • Make sure that the Audio Onlyoption is set to Off. For moreinformation, see “Playing TVaudio only” on page 17.• Make sure that the video cablesare connected securely to theback of your TV.• Adjust the contrast andbrightness.• Make sure that the correct videomode is selected.• Make sure that the incomingsignal is compatible.• Make sure the antenna isconnected correctly.• Check the closed caption settings.Some TEXT modes can block thescreen.No picture (screen is not lit)and no sound.• Make sure that the power cord isplugged in.• Press POWER on the TV or theremote control.• Make sure that the correct videoinput source is selected. For moreinformation, see “Selecting thevideo input source” on page 13.• Try another channel. The stationmay be experiencing problems.Dark, poor, or no picture(screen is lit), but sound isgood.• Adjust the brightness. For moreinformation, see “Adjusting theTV picture” on page 15.• Make sure that the correct picturemode is selected. For moreinformation, see “Adjusting theTV picture” on page 15.• Make sure that the antenna orcable TV is connected correctlyand securely. For moreinformation, see “Connecting anantenna, cable TV, or satellite TVbox via coax” on page 10.No color, dark picture, orcolor is not correct.• Adjust the color saturation. Formore information, see “Adjustingthe TV picture” on page 15.Only snow (noise) appearson the screen.• Try another channel. The stationmay be experiencing problems.• Make sure that the antenna orcable TV is connected correctlyand securely. For moreinformation, see “Connecting anantenna, cable TV, or satellite TVbox via coax” on page 10.• Check the signal strength of thechannel. See “Checking digital TVsignal strength” on page 20.Dotted lines or stripesappear on the screen.• Adjust the antenna.• Move the TV away from noisesources such as cars, neon signs,or hair dryers.“Ghost” or double images. • Use a highly directional outdoorantenna or cable TV.The picture has a few brightor dark spots.• A few bright or dark spots on anLCD screen is normal. It does notaffect the operation of this TV.Good picture, but nosound. • Increase the volume.• Make sure that the sound is notmuted.• Make sure that the sound mode isset to Stereo or Mono. For moreinformation, see “Playing TVaudio only” on page 17.Audio noise. • Make sure that there is nointerference with infraredequipment such as a cordlesstelephone or headphones. Movethe infrared equipment awayfrom the TV to eliminate thenoise.VGA picture is not stable orsynchronized.• Make sure that you have selectedthe correct VGA mode on yourcomputer.No output from onespeaker.• Adjust the balance on the Audiomenu.After images appear. • Do not display a still image, suchas a logo, game, or computerimage, for an extended period oftime. This can cause a permanentafter-image to be burned into thescreen. This type of damage is notcovered by your warranty.Problem SolutionRemote control does notwork.• Make sure that the power cord isplugged in.• Make sure that there are noobstructions between the remotecontrol and the remote controlsensor on the front of the TV.• Make sure that the batteries areinstalled correctly. For moreinformation, see “Installingremote control batteries” onpage 8.• Replace the batteries. For moreinformation, see “Installingremote control batteries” onpage 8.Trouble programming yourexisting universal remotecontrol.• See instructions and a table ofcommon codes in “Programminga universal remote control towork with your TV” on page 8.• Codes are subject to change. Forup to date codes, go towww.dynexproducts.com.• Replace the batteries. For moreinformation, see “Installingremote control batteries” onpage 8.Problem Solution