Maintenance - LG LCD TV / LED LCD TV Owner's Manual

APPENDIX
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 changes
the picture settings, the TV
automatically converts back
to the initial settings after a
certain period of time.

MAINTENANCE

Early malfunctions can be prevented. Careful and regular cleaning can prolong the life of your new TV.
Caution:
► Be sure to switch the power off and unplug the power cord before you begin any cleaning.
Cleaning the Screen
➊ A good way to keep the dust off your screen for a while is to wet a soft cloth in a mixture of lukewarm water and a little fabric
softener or dish washing detergent. Wring the cloth until it is almost dry, and then use it to wipe the screen.
➋ Ensure there is no excess water on the screen. Allow any water or dampness to evaporate before switching on.
Cleaning the Cabinet
■ To remove dirt or dust, wipe the cabinet with a soft, dry, lint -free cloth.
■
Do not to use a wet cloth.
Extended Absence
CAUTION
► If you expect to leave your TV dormant for prolonged periods (such as a holiday), unplug the power cord to protect against
possible damage from lightning or power surges.
GB-118
- Adjust resolution, horizontal frequency, or vertical frequency.
- Check the input source.
- Use Auto configure or adjust clock, phase, or H/V position. (Option)
- Check the signal cable.
- Reinstall the PC video card.
- It means that the TV is currently set to
To switch to Home use mode you should do the followings:
OPTION
From the TV Menu, choose
Now, you have completed switching to the
Store Demo
mode.
Mode Setting
-> Choose -> Choose
Home use
mode.
Home use
.