LG 55LK520 Owner's Manual - Page 82

Troubleshooting

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82 TROUBLESHOOTING TROUBLESHOOTING General Problem Resolution Cannot control the TV with the remote control. yyCheck the remote control sensor on the product and try again. yyCheck if there is any obstacle between the product and the remote control. yyCheck if the batteries are still working and properly installed ( to , to ). yyCheck if the appropriate input mode such as TV or VCR is set for using the remote control. No image display and no sound is produced. yyCheck if the product is turned on. yyCheck if the power cord is connected to a wall outlet. yyCheck if there is a problem in the wall outlet by connecting other products. Image appears slowly when the TV turns on. yyThe image is muted during the product startup process. This is normal. If the image does not appear in a few minutes, unplug the TV for 30 seconds and try again. If the image still does not appear, contact the authorized service center in your local area. Cannot connect external devices. yyRefer to the "Connection Overview" and connect an external device. The TV turns off suddenly. yyCheck the power control settings. The power supply may be interrupted. yyCheck if the Auto sleep feature is activated in the Time settings. Refer to the "Sleep Timer". yyIf there is no signal while the TV is on, the TV will turn off automatically after 15 minutes of inactivity. ENEGNLGISH Audio Problem Resolution No sound is produced while images yyPress VOL + or - button. are displaying. yyCheck if the sound is muted by pressing MUTE. yyScroll to other channels. There may a problem with the broadcast. yyCheck if the TV Speaker feature is activated in the menu option. No output from one of the speakers yyAdjust Balance in the menu option. Unusual sound from inside the TV is yyA change in ambient humidity or temperature may result in an unusual noise produced. when the product turns on or off. There is no problem with your product.

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82
ENG
ENGLISH
TROUBLESHOOTING
TROUBLESHOOTING
General
Problem
Resolution
Cannot control the TV with the
remote control.
y
Check the remote control sensor on the product and try again.
y
Check if there is any obstacle between the product and the remote control.
y
Check if the batteries are still working and properly installed (
to
,
to
).
y
Check if the appropriate input mode such as TV or VCR is set for using the
remote control.
No image display and no sound is
produced.
y
Check if the product is turned on.
y
Check if the power cord is connected to a wall outlet.
y
Check if there is a problem in the wall outlet by connecting other products.
Image appears slowly when the TV
turns on.
y
The image is muted during the product startup process. This is normal. If the
image does not appear in a few minutes, unplug the TV for 30 seconds and try
again. If the image still does not appear, contact the authorized service center
in your local area.
Cannot connect external devices.
y
Refer to the "Connection Overview" and connect an external device.
The TV turns off suddenly.
y
Check the power control settings. The power supply may be interrupted.
y
Check if the Auto sleep feature is activated in the Time settings.
Refer to the "Sleep Timer".
y
If there is no signal while the TV is on, the TV will turn off automatically after
15 minutes of inactivity.
Audio
Problem
Resolution
No sound is produced while images
are displaying.
y
Press
VOL +
or
-
button.
y
Check if the sound is muted by pressing
MUTE
.
y
Scroll to other channels. There may a problem with the broadcast.
y
Check if the TV Speaker feature is activated in the menu option.
No output from one of the speakers
y
Adjust Balance in the menu option.
Unusual sound from inside the TV is
produced.
y
A change in ambient humidity or temperature may result in an unusual noise
when the product turns on or off. There is no problem with your product.