LG 42LN5400 Owners Manual - Page 29

Troubleshooting - problems

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TROUBLESHOOTING 29 TROUBLESHOOTING General Problem Solution Cannot control the TV with the remote yyCheck the remote control sensor on the product and try again. control. 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 ). 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. (Depending on model) Audio Problem No sound is produced while images are displaying. No output from one of the speakers Unusual sound from inside the TV is produced. Solution yyPress VOL or button. 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. yyAdjust Balance in the menu option. yyA 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. ENGLISH

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ENGLISH
29
TROUBLESHOOTING
TROUBLESHOOTING
General
Problem
Solution
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
).
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. (Depending on model)
Audio
Problem
Solution
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.