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38MAINTENANCE / TROUBLESHOOTING

MAINTENANCE

Cleaning Your TV

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

CAUTION

yyBefore Cleaning, turn the power off and disconnect the power cord and all other cables.

yyWhen 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

yyDo 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.

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

yyDo 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

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

 

yyCheck if there is any obstacle between the product and the remote control.

remote control.

yyCheck if the batteries are still working and properly installed ( to ,

to ).

 

 

 

 

No image display and no sound is

yyCheck if the product is turned on.

 

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

 

produced.

 

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

 

 

 

 

 

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

 

The TV turns off suddenly.

yyCheck if the Auto sleep feature is activated in the Time settings.

 

yyIf there is no signal while the TV is on, the TV will turn off automatically after 15 minutes of

 

 

inactivity.

 

 

 

 

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LG Electronics 47LN5750 Maintenance, Troubleshooting, Cleaning Your TV, Screen, frame, cabinet and stand, Power cord