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Troubleshooting
General Troubleshooting
Some Quick and Easy Tips for Resolving Problems
Symptom Possible Cause(s) Possible Solution(s)
Software Problems
When direct enter
channel number, “No
Signal” appears.
Channel not included in channel lineup in
internal TV controller (PTC).
After 2-5-5 + MENU, only channels included in the TV PTC
will appear. If a channel is available, it can be added to
channel lineup. If it is not available, the “No Signal” mes-
sage appears on the TV screen.
Power
No power. See troubleshooting flow chart on following page.
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
Connections incorrect. Check connections on TV
MPI not connected. If applicable, connect MPI cable to MPI 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.
Installer Remote
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 IR receiver on TV.
Remote too far from IR sensor. Move remote closer to IR receiver on TV or darken room.
MPI not connected. If applicable, connect MPI cable to MPI device.
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. Requires compatible Installer Remote. Contact your LG
dealer.
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.
Note:
For other problems not caused by the TV, refer to the other devices’ operating guide(s).