Maintaining Your Television; Troubleshooting - Insignia NS-20LCD Guide De L'utilisateur

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Maintaining your television

Warning
Television sets use high voltage. Do not try to remove the back
of the cabinet yourself. There are no user serviceable parts
inside. Opening the cabinet could void your warranty. Refer
servicing to qualified service technicians.
To clean your television screen:
1 Unplug your television to avoid possible
shock hazard.
2 Use a damp cloth or clean cellulose sponge
to clean your television screen and trim. Do
not let water spill into the cabinet or damage
may occur.
3 Wipe off any excess moisture with a clean
dry cloth.
4 Polish the cabinet with a quality furniture
polish to maintain the finish and appearance
of the cabinet.
Caution
Never use strong solvents (such as thinner, benzene, or other
chemicals) on or near the cabinet. These chemicals can
damage the cabinet finish.

Troubleshooting

Notes
• If your television does not operate as expected, unplug the
power, then plug it back in.
• Displaying a still picture for a long period of time will cause
the image to "stick" if the input signal is interlaced. The
stuck image disappears when you briefly turn your
television off.
The most common types of television
interference are as follows:
Problem
Snowy picture
Double image or ghosts
Radio wave interference
12
Solution
• VHF/UHF: This is
usually caused by a
weak signal. Adjust the
antenna or install an
antenna amplifier.
• VHF/UHF: This is
usually caused by
reflections from a tall
building. Adjust the
direction of the
antenna or raise it.
• VHF/UHF: This is
usually caused by
nearby radio
transmitters or
shortwave receiving
equipment.
www.insignia-products.com
Insignia NS-20LCD Television
Problem
High-temperature
electrothermal interference
No picture or sound.
Poor or no picture
Poor or no sound
Remote control does not work
No television signal
Solution
• VHF/UHF: This is
usually caused by
high-temperature
electrothermal
equipment in a nearby
business.
• Make sure that your
television is turned on.
• Make sure that the
power switch on the
back of the television is
turned on.
• Make sure that your
television is plugged in.
• Make sure that the
color, brightness, and
contrast controls are
correctly adjusted.
• Check for local
interference.
• Make sure the antenna
or CATV connector is
connected correctly.
• The station or cable
provider may be
experiencing
problems. Try a
different channel.
• Make sure that the
volume control is not
turned down.
• Make sure that the
mute is not turned on.
• Check for local
interference.
• Make sure the antenna
or CATV connector is
connected correctly.
• The station or cable
provider may be
experiencing
problems. Try a
different channel.
• Make sure that you are
aiming the remote
control at the remote
sensor.
• Make sure that you are
within 16 feet of your
television.
• Make sure that
batteries are installed
correctly.
• Make sure that no
bright lights are
striking the sensor
window in your
television or remote
control.
• Make sure that no
obstacles are between
your television and
remote control.
• Make sure that the
antenna is tightly
connected.

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