LG Electronics LHT764 Maintenance and Service, Handling The Unit, Reference, Cleaning the unit

Symptom		Cause		Correction
Radio stations cannot	•	The antenna is positioned or connected	•	Connect the antenna securely.
be tuned in.		poorly.
			•	Adjust the antennas and connect an
				external antenna if necessary.
	•	The signal strength of the stations is too	•	Tune in the station manually.
		weak (when tuning in with automatic
		tuning).
	•	No stations have been preset or preset	•	Preset the stations (page 32).
		stations have been cleared (when
		tuning by scanning preset stations).
The Remote Control	•	The Remote Control is not pointed at	•	Point the Remote Control at the remote
does not work		the remote sensor of the unit.		sensor of the unit.
properly.
	•	The Remote Control is too far from the	•	Use the Remote Control within about 20
		unit.		ft (6 m).
	•	There is an obstacle in the path of the	•	Remove the obstacle.
		Remote Control and the unit.
	•	The batteries in the Remote Control are	•	Replace the batteries with new ones.
		flat.
The front panel	•	Nothing is displayed on the front panel	•	Press DIMMER on the Remote Control.
display is too dim.		display.

Maintenance and Service

Refer to the information in this chapter before contacting a service technician.

HANDLING THE UNIT

When shipping the unit

Please save the original shipping carton and packing materials. If you need to ship the unit, for maximum protection, re-pack the unit as it was originally packed at the factory.

Keeping the exterior surfaces clean

•Do not use volatile liquids such as insecticide spray near the unit.

•Do not leave rubber or plastic products in contact with the unit for a long period of time. since they leave marks on the surface.

Cleaning the unit

To clean the unit, use a soft, dry cloth. If the surfaces are extremely dirty, use a soft cloth lightly moistened with a mild detergent solution.

Do not use strong solvents such as alcohol, benzine, or thinner, as these might damage the surface of the unit.

Maintaining the Unit

The unit is a high-tech, precision device. If the optical pick-up lens and disc drive parts are dirty or worn, the picture quality could be diminished.

Depending on the operating environment, regular inspection and maintenance are recommended after every 1,000 hours of use.

For details, please contact your nearest authorized service center.

Reference

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