LG Electronics LHT764 owner manual Maintenance and Service, Dimmer, When shipping the unit

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Symptom

Cause

Correction

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Radiostationscannot•Theantennaispositionedorconnected• Connecttheantennasecurely.

betunedin.

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.

is an

obstacle

in the

path of the

• ft (6 m).

the

obstacle.

There

Remove

Remote Control and the unit.

The

batteries in the

Remote

Control

are

Replace

the

batteries

with

new

ones.

The

front

panel

•

flat.

is displayed

on the

front panel

•

Press

DIMMER

on the

Remote

Control.

Nothing

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.

Cleaningtheunit

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.