Lg Electronics 42LH255H 사용자 설명서

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Some quick and easy tips to resolving problems
Symptoms
Possible Cause(s)
Possible Solution(s)
Power
No Power.
See troubleshooting flow chart.
Display Panel Picture
No Picture.
• Display panel is turned off.
-Turn TV on. 
-Power failure?
• Antenna/Cable not connected.
-Connect Antenna/Cable signal to TV.
(See Owners manual)
• Connections incorrect.
-Check connections on TV.
(See Owners manual)
• 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.
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 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.
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.
Troubleshooting