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44 Troubleshooting
Troubleshooting
If the picture quality is poor or you are experiencing another type of problem, check the adjustments
and operations before requesting service. See the symptoms listed below, and try the checks and
remedies.
Symptom Remedy
There is no picture or sound. • Make sure the power cord is properly inserted in the power
outlet.
• Make sure the main power switch of the unit is on.
• Make sure another electronic device such as a lamp works
in the power outlet.
There is no picture from AV. • Make sure the brightness and contrast levels are properly
adjusted.
• The backlight may have reached the end of its service.
• Make sure all the connections are connected properly.
There is a picture, but no sound. • Make sure the volume is not set to minimum.
• Make sure the sound is not set to mute.
• Make sure the speakers are properly connected.
There is no picture or sound, just
noise.
• The reception may be weak.
• The state of the broadcast may also be bad.
• Make sure the antenna or cable is not disconnected.
The picture is not clear. • The reception may be weak.
• The state of the broadcast may also be bad.
• Make sure the antenna or cable is not disconnected.
The picture is light or improperly
tinted.
• Check the color adjustments.
• Check the color system settings.
The picture is too dark. • Adjust the brightness setting in the OSD.
• The backlight may have reached the end of its service life.
The remote control does not work. • Check the batteries. Replace them if they are old.
• Make sure the remote control is within operating range.
• Check that there are no obstacles between the remote
control and the sensor window on the display.
The picture is not sharp. • The reception may be weak.
• The state of the broadcast may also be bad.
• Make sure the antenna or cable is not disconnected.
The picture moves. • The reception may be weak.
• The state of the broadcast may also be bad.
• Make sure the antenna or cable is not disconnected.
• Screen move feature in the OSD may be turned on.