Troubleshooting; General Troubleshooting - LG 43LX770M Commercial Mode Setup Manual

Troubleshooting

General Troubleshooting (Some Quick and Easy Tips for Resolving Problems)
Installation
Symptom
Cannot direct enter
channel number.
No channels present
after Express Script.
Picture Reception and Sound
Symptom
No picture.
Normal picture,
poor or no sound.
Erratic Operation
Symptom
Installer Menu setup.
Installer Remote
Symptom
Remote doesn't work.
98
Possible Cause(s)
(TV in Pass-through Mode) Installer
Menu item 028 CH. OVERIDE is set to
0, i.e., disabled (recommended setting).
(TV in FTG Mode) The channel entered
is not included in the FTG Channel Map.
Auto Tuning not run.
Possible Cause(s)
TV is turned OFF.
Antenna/cable not connected.
Connections incorrect.
MPI not connected.
Encrypted program.
Wrong tuning band.
Audio muted.
Broadcast problem.
Pillow/TV speaker not configured
properly.
Possible Cause(s)
Wrong Installer Menu settings.
Possible Cause(s)
Remote not in TV Mode.
Not aimed at IR receiver.
Remote too far from IR receiver or
IR path is obstructed.
MPI not connected.
Weak batteries.
Wrong battery polarity.
Too much light in room.
Remote IR codes do not match
setting(s) in TV.
Possible Solution(s)
If Installer Menu item 028 CH. OVERIDE is set to 0, only
channels that are active in the TV's channel lineup can be
selected. Set CH. OVERIDE to 1 to allow access for direct
keypad entry to all channels.
Channel access is restricted to channels included in the FTG
Channel Map. If necessary, make changes to the FTG
Channel Map using the FTG File Manager or the FTG Device
Configuration Application, as appropriate.
Refer to Express Script procedure. Auto Tuning must be run in
order for the channel lineup to be populated. To reactivate the
Express Script, restore the TV to a factory default condition.
Possible Solution(s)
•
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.
Press MUTE or use Volume Up key to increase sound level.
Try a different channel.
Check that Installer Menu items 020 FEATURE LEVEL and 027
HOSPITAL MODE are set as required. Also, if applicable, select
TV Speaker in the Audio Menu.
Possible Solution(s)
Adjust Installer Menu settings as required.
Possible Solution(s)
Depending on the remote used, you may need to use a MODE
key to put the remote into TV Mode.
Point remote at IR receiver on TV.
Move remote closer to IR receiver on TV, darken room, and/or
remove obstructions.
If applicable, connect MPI cable to MPI device.
Replace batteries.
Check that "+" and "-" match in battery compartment.
Dim room light.
Make sure the Installer Remote is compatible. Contact your LG
representative, as necessary. Then, check settings both in the
TV and on the remote. IR codes sent by the remote must match
the setting(s) in the TV.
206-4292 Draft A.2