General Troubleshooting

Troubleshooting

Some Quick and Easy Tips for Resolving Problems

Symptom

Possible Cause(s)

Possible Solution(s)

Software Problems

Cannot direct enter channel number or “No Signal” appears.

Channel not included in channel lineup in TV controller.

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.

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 TV’s IR receiver on TV.
	Remote too far from IR sensor.	Move remote closer to TV’s IR receiver 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,	Audio muted.	Press MUTE or use Volume Up key to increase sound level.
poor or no sound.	Broadcast problem.	Try a different channel.
	Broadcast problem.	Try a different channel.

Note: For other problems not caused by the TV, refer to the other devices’ operating guide(s).

206-4163

26LD340H, 42LD320H, 37LD325H, 37LD310H, 42LD340H specifications

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LG Electronics 37LD330H, 37LD340H, 37LD325H, 37LD345H, 42LD345H, 42LD340H General Troubleshooting

Models: 26LD340H 42LD320H 37LD325H 37LD310H 42LD340H 32LD345H 42LD345H 32LD340H 37LD340H 32LD310H 26LD345H 32LD325H 37LD345H 26LD320H 37LD330H 32LD330H

Troubleshooting