LG 105UC9 User Manual download pdf (Page 38)

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ENGLISH

MAINTENANCE / TROUBLESHOOTING

MAINTENANCE

Cleaning your TV

Clean your TV regularly to keep the best performance and to extend the product lifespan.

CAUTION



Make sure to turn the power off and disconnect the power cord and all other cables first.



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.

CAUTION



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



Do not push, rub, or hit the screen surface with your fingernail or a sharp object, as this may

result in scratches and image distortions.



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



Do not spray liquid onto the surface. If water enters the TV, it may result in fire, electric shock, or

malfunction.

Power cord

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

TROUBLESHOOTING

Problem Solution

Cannot control the

TV with the remote

control.



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



Check if there are any obstacles between the product and the remote.



Check if the batteries are still working and properly installed

( to , to ).

No image display

and no sound is

produced.



Check if the product is turned on.



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



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

The TV turns off

suddenly.



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



Check if the

Sleep Timer

Timer Power Off

is activated in the

TIMERS

settings.



If there is no signal while the TV is on, the TV will turn off automatically after

15 minutes of inactivity.

When connecting

to the PC (HDMI

DVI), ‘No signal’ or

‘Invalid Format’ is

displayed.



Turn the TV off/on using the remote control.



Reconnect the HDMI cable.



Restart the PC with the TV on.

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LG 105UC9 User Manual Page 38

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