Bedienungsanleitung LG 28TK420 (Seite 26 von 31) (Englisch)

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Maintenance

Cleaning your TV

Clean your TV regularly to keep the best performance and to extend

the product lifespan.

y Make sure to turn the power o and disconnect the power cord and

all other cables rst.

y When the TV is left unattended and unused for a long time,

disconnect the power cord from the wall outlet to prevent possible

damage from lightning or power surges.

Screen, frame, cabinet and stand

To remove dust or light dirt, wipe the surface with a dry, clean, and

soft cloth.

To remove major dirt, wipe the surface with a soft cloth dampened in

clean water or a diluted mild detergent. Then wipe immediately with

a dry cloth.

y Avoid touching the screen at all times, as this may result in damage

to the screen.

y Do not push, rub, or hit the screen surface with your ngernail or a

sharp object, as this may result in scratches and image distortions.

y Do not use any chemicals as this may damage the product.

y Do not spray liquid onto the surface. If water enters the TV, it may

result in re, electric shock, or malfunction.

Power cord

Remove the accumulated dust or dirt on the power cord regularly.

Preventing “Image burn” or “Burn-in”

on your TV screen

y If a xed image displays on the TV screen for a long period of time,

it will be imprinted and become a permanent disgurement on

the screen. This is “image burn” or “burn-in” and not covered by the

warranty.

y If the aspect ratio of the TV is set to 4:3 for a long period of time,

image burn may occur on the letterboxed area of the screen.

y Avoid displaying a xed image on the TV screen for a long period of

time (2 or more hours for LCD) to prevent image burn.

Troubleshooting

Cannot control the TV with the remote control.

y Check the remote control sensor on the product and try again.

y Check if there is any obstacle between the product and the remote

control.

y Check if the batteries are still working and properly installed

( to , to ).

No image display and no sound is produced.

y Check if the product is turned on.

y Check if the power cord is connected to a wall outlet.

y Check if there is a problem in the wall outlet by connecting other

products.

The TV turns o suddenly.

y Check the power control settings. The power supply may be

interrupted.

y Check if the Auto Power Off (Depending on model) /

Sleep Timer / Timer Power Off feature is activated in the Timers

settings.

y If there is no signal while the TV is on, the TV will turn o

automatically after 15 minutes of inactivity.

When connecting to the PC (HDMI/RGB), 'No Signal', 'Check

signal cable' or ‘Unsupported Format’ is displayed.

y Turn the TV o/on using the remote control.

y Reconnect the HDMI/RGB cable.

y Restart the PC with the TV on.

If TV is turned o automatically.

y If Timer Power On is enabled, the TV will be turned on at the

specied time. If you do not operate the TV for two hours, the TV will

be turned o automatically.

y To disable this function, use your remote control to go to

(Settings) Timers Timer Power On 2 Hours Auto

Power Off Off.

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LG 28TK420 Seite 26

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