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.
8 Use Mode key to select TV; puts remote into 20LH1DC1 mode.
Weak batteries.
8 Replace batteries.
Wrong battery polarity.
8 Check that “+” and “-” match in battery compartment.
Too much light in room.
8 Dim room light.
Incorrect Bed 1-2 setting.
8 Set correct Bed 1-2 setting.
8 Point remote at TV’s IR receiver on TV.
Remote too far from IR
sensor.
Remote too far from IR
sensor.
8 Move remote closer to TV’s IR receiver or darken room.
IR path to TV’s receiver
obstructed.
8 Remove obstructions.
Wrong Installer remote
control.
8 Requires compatible Installer remote, contact your LG dealer.
Remote doesn’t work.
8 Press MUTE or use Volume Up key to increase sound level.
Audio muted.
8 Tr y a different channel.
Broadcast problem.
Normal picture, poor or no sound.
8 Set 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
8 Adjust Installer menu settings as required.
8 Remove TV power cord for 15 seconds.
Wrong Installer menu
settings.
Software problem.
Installer menu setup.
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