Troubleshooting; General Troubleshooting - LG 37LG710H Owner's Manual

Troubleshooting

General Troubleshooting

Some Quick and Easy Tips for Resolving Problems
Symptom
Software Problems
Cannot direct enter
channel number or "No
Signal" appears.
Power
No power.
Display Panel Picture
No picture.
Erratic Operation
Installer Menu setup.
Installer Remote
Remote doesn't work.
Picture Reception
Normal picture,
poor or no sound.
Note: For other problems not caused by the TV, refer to the other devices' operating guide(s).
42
Possible Cause(s)
Channel not included in channel lineup in
TV controller.
See troubleshooting flowchart on follow-
ing page.
Display panel is turned off.
Antenna/cable not connected.
Connections incorrect.
MPI not connected.
Encrypted program.
Wrong tuning band.
Wrong Installer Menu settings.
Remote not in TV Mode.
Not aimed at IR remote sensor.
Remote too far from IR sensor.
MPI not connected.
IR path to TV's receiver obstructed.
Weak batteries.
Wrong battery polarity.
Too much light in room.
Wrong Installer Remote.
Audio muted.
Broadcast problem.
Possible Solution(s)
After 2-5-5 + MENU, only channels included in TV controller
will appear. If channel is available, it can be added to chan-
nel lineup. If it is not available, the "No Signal" message
appears on the TV screen.
•
Turn TV ON.
•
Power failure?
Connect antenna/cable signal to TV.
Check connections on TV.
If applicable, connect MPI cable to MPI device.
Try another channel.
Adjust Installer Menu settings.
Adjust Installer Menu settings as required.
Use MODE key to select "TV"; puts remote into TV Mode.
Point remote at TV's IR receiver on TV.
Move remote closer to TV's IR receiver or darken room.
If applicable, connect MPI cable to MPI device.
Remove obstructions.
Replace batteries.
Check that "+" and "-" match in battery compartment.
Dim room light.
Requires compatible Installer Remote. Contact your LG
dealer.
Press MUTE or use Volume Up key to increase sound level.
Try a different channel.
206-4137