LG 42LH250H Owner's Manual page 148

Troubleshooting
Some quick and easy tips to resolving problems
Possible Cause(s) Possible Solution (s)
Symptoms
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.
-Turn TV on.
-Power failure?
-Connect Antenna/Cable signal to TV.
-Checkconnections on TV.
-If applicable, connect M.P.I. cable to M.P.I. device.
-Try another channel.
-Adjust Installer menu settings.
(See Owners manual)
(See Owners manual)
Erratic Operation
Installer menu setup. , Wrong Installer menu settings. -Adjust Installer menu settings as required.
Remote Control
Remote doesn't work. , Remote not in TV mode. -Use Mode key to select TV; puts remote into TV mode.
, Not aimed at IR remote sensor. -Point remote at TV's IR receiver on TV.
, Remote too far from I R sensor. -Move remote closer to TV's I R receiver or darken room.
, I R 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.
Picture Reception
Normal picture, poor , Audio muted. -Press MUTE or use Volume Up key to increase sound level.
or no sound. , Broadcast problem. -Try a different channel.
Note: For other problems not caused by the TV, refer to other devices' operating guide.
P A G E 4 0 206-4118