LG 22LK3 Owner's Manual page 23

The audio function does not work.
Picture OK & No
sound
No output from one
of the speakers
Unusual sound from
inside the TV
No sound when con-
necting HDMI or USB
There is a problem in PC mode. (Only PC mode applied)
The signal is out of
range
(Invalid format)
Vertical bar or stripe on
background &
Horizontal Noise &
Incorrect position
Screen colour is
unstable or single
colour
There is a problem with PICTURE settings.
When the user chang-
es the picture settings,
the TV automatically
converts back to the
initial settings after a
certain period of time.
TO VIEW THE USER'S GUIDE ON THE CD-ROM
To view the User's guide on the CD-ROM, Adobe Acrobat Reader must be installed on your PC.
The "ACRORD" folder on the CD-ROM contains the installation program for Acrobat Reader.
If you want to install Acrobat Reader, Open "My Computer"  Open the folder "LG"  Open the folder "ACRORD"
 double-click your language.
To view the User 's guide
The User's guide files are included in the supplied CD-ROM.
Load the supplied CD-ROM into the CD-ROM drive of your PC.
After a while, the web page of the CD-ROM will open automatically.(Windows users only)
If the web page does not appear automatically, open the User's guide file directly.
Open "My computer"  Open the folder "LG"  Double click the "index.htm" file.
■ Check whether the TV is switched on.
■ Press the + or - button.
■ Sound muted? Press MUTE button.
■ Try another channel. The problem may be with the broadcast.
■ Are the audio cables installed properly?
■ Adjust Balance in menu option.
■ A change in ambient humidity or temperature may result in an unusual noise when
the TV is switched on or off and does not indicate a fault with the TV.
■ Check HDMI cable is High Speed HDMI Cable.
■ Check USB cable over version 2.0.
■ Adjust resolution, horizontal frequency, or vertical frequency.
■ Check the input source.
■ Use Auto configure or adjust size, phase, or H/V position. (Option)
■ Check the signal cable.
■ Reinstall the PC video card.
■ It means that the TV is currently set to Store Demo mode.
To switch to Home use mode you should do the followings:
From the TV Menu, choose OPTION -> Choose Mode Setting -> Choose
Home use. Now, you have completed switching to the Home use mode.
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