Troubleshooting - LG LST-5100P Owner's Manual

Troubleshooting

Check the following guide for the possible cause of a problem before contacting service.
Symptom
HDTV Receiver does
not turn on.
Fragmented picture and
unclear sound.
No picture.
Normal picture but no
sound.
Picture is distorted.
The remote control
does not work properly.
Reset the HDTV Receiver
The HDTV Receiver is not operating normally. You can reset the HDTV Receiver as follows:
Unplug the power cord, wait at least 30 seconds, and then plug it in again.
36
Plug the power cord into a wall power outlet securely.
Check your antenna input, location, and signal strength.
Make sure the correct video display format is selected.
Make sure that the right component type is selected.
If HDTV Receiver is connected to your monitor or TV via the COMPONENT VIDEO
jacks on the back panel, the Output Selection must be set to YPbPr (refer to Display
Format Setup on page 16.). Otherwise, you will probably see an abnormal picture.
If HDTV Receiver is connected to your monitor or TV via the RGB port on the back
panel,Output Selection must be set to RGB (refer to Display Format Setup on page
16.). Otherwise, you may not be able to see a picture.
Select the Auto Programme or Programme Edit functions if you have not already
done so.
Check to make sure all the cables are installed correctly and that the proper source
is selected on your TV. For example, Video 1 or 2.
The antenna signal strength may be low. Check the signal strength and adjust the
antenna location and direction.
Due to copyright restrictions, you may not be able to view some high definition pro-
grammes in the high definition format.
For more information about connections, please refer to connections on pages 9-14.
Check volume levels.
Make sure the TV is not muted.
Check that the HDTV receiver is connected properly.
Make sure the proper format is selected.
Make sure the proper aspect ratio is selected.
Make sure the video output is connected to the TV.
Point the remote control on the remote sensor on the HDTV Receiver.
Operate the remote control within 7 m.
Remove possible obstacles blocking the signal.
Replace exhausted batteries with new ones.
Solution(s)