LG Electronics 79UB9800, 84UB9800 Maintenance, Troubleshooting, Cleaning your TV, Power cord

38MAINTENANCE / TROUBLESHOOTING

MAINTENANCE

ENGLISH

Cleaning your TV

Clean your TV regularly to keep it at peak performance and to extend the product’s lifespan.

CAUTION

••Before cleaning, turn the power off and disconnect the power cord and all other cables.

••When the TV is left unattended or 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

••Do not push, rub, or hit the surface with your fingernail or a sharp object, as this may result in scratches on the screen and image distortions.

••Do not use any chemicals, such as waxes, benzene, alcohol, thinners, insecticides, air fresheners, or lubricants, as these may damage the screen’s finish and cause discoloration.

••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
	••Check if anything such as tape has been placed over the receiver.
Cannot control the TV with	••Check if there is any obstacle between the product and the remote
the remote control.	control.
	••Replace the batteries with new fresh ones.
	••Check if the product is turned on.
No image display and no	••Check if the power cord is connected to a wall outlet.
sound is produced.	••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 / Timer Power Off feature is activated in the
The TV turns off suddenly.	Timers settings.
	••If there is no signal while the TV is on, the TV will turn off automatically
	after 15 minutes of inactivity.