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Troubleshooting
PAGE 55
Some quick and easy tips to resolving problems
Display Panel Picture
Symptoms Possible Cause(s) Possible Solution(s) See Page(s)
No Power. See troubleshooting flow chart. 57
Power
No Picture. • Display panel is turned off. -Turn TV on.
-Power failure?
• Antenna/Cable not connected. -Connect Antenna/Cable signal source to L20V54S.
• Connections incorrect. -Check connections on L20V54S.
• M.P.I. not connected. -If applicable, connect M.P.I. cable to M.P.I. device.
• Encrypted program. -Try another channel.
• Wrong tuning band. -Adjust Installer menu settings.
9~11
7 / 9~14
45~50
Erratic Operation
Installer menu setup. • Wrong Installer menu settings. -Adjust Installer menu settings as required.
• Software problem. -Remove TV power cord for 15 seconds.
45~50
Remote Control
Remote doesn’t work. • Remote not in TV mode. -Use Mode key to select TV; puts remote into L20V54S mode.
• Not aimed at IR remote sensor. -Point remote at TV’s IR receiver on TV.
• Remote too far from IR sensor. -Move remote closer to TV’s IR receiver or darken room.
• IR path to TV’s receiver obstructed. -Remove obstructions.
• Weak batteries. -Replace batteries.
• Wrong battery polarity. -Check that “+” and “-” match in battery compartment.
• Too much light in room. -Dim room light.
• Wrong Installer remote control. -Requires compatible Installer remote, contact your LG dealer.
• Incorrect Bed 1-2 setting. -Set correct Bed 1-2 setting.
18~19
40
18
Picture Reception
Normal picture, poor
or no sound.
• Audio muted. -Press MUTE or use Volume Up key to increase sound level.
• Broadcast problem. -Try a different channel.
18~19
18~19
Broadcast Tuning Mode Digital Channel OSD
No Information
available display.
*Note: For other problems not caused by the L20V54S, refer to other devices’ operating guide.
• Item 103 set to 1
physical channels tuning.
- Set Item 103 to 0 for information to be added to virtual
channel tuning digital OSD.
45~50