Troubleshooting

General Troubleshooting

Some Quick and Easy Tips for Resolving Problems

Symptom

Possible Cause(s)

Possible Solution(s)

Installation

Cannot direct enter channel number.

(TV in Pass-through Mode) Installer

If Installer Menu item 028 CH. OVERIDE is set to 0, only

Menu item 028 CH. OVERIDE is set to

channels that are active in the TV’s channel lineup can be

0, i.e., disabled (recommended setting).

selected. Set CH. OVERIDE to 1 to allow access for direct

 

keypad entry to all channels.

(TV in FTG Mode) The channel entered

Channel access is restricted to channels included in the FTG

is not part of the FTG Channel Map.

Channel Map. If necessary, make changes to the FTG Channel

 

Map using the FTG File Manager or the FTG Device

 

Configuration Application, as appropriate.

Power

No power.

See troubleshooting flow chart on following page.

Picture Reception and Sound

No picture.

TV 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.

Normal picture,

Audio muted.

 

Press MUTE or use Volume Up key to increase sound level.

poor or no sound.

 

 

 

 

Broadcast problem.

 

Try a different channel.

 

 

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.

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LG Electronics 37LT770H, 47LT770H, 42LT770H, 32LT770H setup guide General Troubleshooting

47LT770H, 42LT770H, 32LT770H, 37LT770H specifications

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