LG PM47 Serie Mode D'emploi page 28

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MAINTENANCE / TROUBLESHOOTING
MAINTENANCE
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Clean your TV regularly to keep the best performance and to extend the product lifespan.
CAUTION
y Make sure to turn the power off and disconnect the power cord and all other cables first.
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.
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y To remove dust or light dirt, wipe the surface with a dry, clean, and soft cloth.
y 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
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 fingernail 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 fire, electric shock, or
malfunction.
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Remove the accumulated dust or dirt on the power cord regularly.
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y Check the remote control sensor on the product and try again.
Cannot control the
y Check if there is any obstacle between the product and the remote control.
TV with the remote
y Check if the batteries are still working and properly installed (
control.
y Check if the product is turned on.
No image display
y Check if the power cord is connected to a wall outlet.
and no sound is
y Check if there is a problem in the wall outlet by connecting other products.
produced.
y Check the power control settings. The power supply may be interrupted.
The TV turns off
y Check if the Auto sleep feature is activated in the Time settings.
suddenly.
y If there is no signal while the TV is on, the TV will turn off automatically after 15
minutes of inactivity.
y Turn the TV off/on using the remote control.
When connecting to
y Reconnect the RGB/HDMI cable.
the PC (RGB/HDMI
y Restart the PC with the TV on.
DVI), 'No signal' or
'Invalid Format' is
displayed.
to , to ).