APPENDIX
67
TROUBLESHOOTING

Remote Control

Picture Reception

Broadcast Tuning Mode Digital Channel OSD

*Note: For other problems not caused by the 20LH1DC1, refer to other devices’ operating guide.
Remote not in TV mode.
Not aimed at IR remote
sensor.
8Use Mode key to select TV; puts remote into 20LH1DC1 mode.
Weak batteries. 8Replace batteries.
Wrong battery polarity. 8Check that “+” and “-” match in battery compartment.
Too much light in room. 8Dim room light.
Incorrect Bed 1-2 setting. 8Set correct Bed 1-2 setting.
8Point remote at TV’s IR receiver on TV.
Remote too far from IR
sensor.
Remote too far from IR
sensor. 8Move remote closer to TV’s IR receiver or darken room.
IR path to TV’s receiver
obstructed. 8Remove obstructions.
Wrong Installer remote
control. 8Requires compatible Installer remote, contact your LG dealer.

Remote doesn’t work.

8Press MUTE or use Volume Up key to increase sound level.
Audio muted.
8Try a different channel.
Broadcast problem.

Normal picture, poor or no sound.

8Set Item 103 to 0 for information to be added to virtual channel tuning digital OSD.
Item 103 set to 1 physical
channels tuning.

No Information available display.

Erratic Operation

8Adjust Installer menu settings as required.
8Remove TV power cord for 15 seconds.
Wrong Installer menu
settings.
Software problem.

Installer menu setup.