Maintenance; Cleaning Your Tv; Screen,Frame,Cabinet And Stand; Power Cord - LG 47LM6400 Owner's Manual

MAINTENANCE

Cleaning your TV

Clean your TV regularly to keep the best performance and to extend the product lifespan.
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
Cannot control the TV
with the remote control.
No image display and no
sound is produced.
The TV turns off
suddenly.
When connecting to the
PC (RGB/HDMI DVI),
'No signal' or 'Invalid
Format' is displayed.
Solution
• Check the remote control sensor on the product and try again.
• Check if there is any obstacle between the product and the remote
control.
• Check if the batteries are still working and properly installed
( to , to ).
• 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.
• Check the power control settings. The power supply may be
interrupted.
• Check if the Sleep Timer feature is activated in the Time settings.
• If there is no signal while the TV is on, the TV will turn off automatically
after 15 minutes of inactivity.
• Turn the TV off/on using the remote control.
• Reconnect the RGB/HDMI cable.
• Restart the PC with the TV on.
MAINTENANCE / TROUBLESHOOTING 33