Troubleshooting - LG Zenith L20V54S Installation And Operating Manual, Warranty

Troubleshooting

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