Maintenance - Changhong Electric LED50C2000A Operation Manual

Troubleshooting Guide
NOTE: There is a problem in VGA mode (Only VGA mode applied).
PROBLEM
T he signal is out of range.
Vertical bar or strip
g round & Horizontal
N oise & Incorrect position.
S creen color is unstable or
s ingle color.

Maintenance

E arly malfunctions ca
your new TV. Be sure to turn the power off and unplug the power cord before you
of
begin any cleaning.
C leaning the creen s
1. Here's a great w
m ixture of lukewarm water and a little fabric softener or dish washing detergent. Wring
the cloth until it's
2 . Make sure th excess water is off the screen, and then let it air-dry before yo e
y our TV.
Cleaning the cabinet
T o remove dirt or dust, wipe the cabinet with a soft, dry, lint-free cloth. Please be sure
n ot to use a wet cloth.
E xtended Absence
If you expect to leave your TV dormant for a long time (such as a vacation), it's a
good idea to unplug the power cord to protect against possible damage from
lightning or power surges.
D isposal of old electrical appliances
The European
Equipment (WEEE), requires that old househo
not be disposed of in the normal unsorted municip
appliances must be collected separately in order to optimize t
recycling of the materials they contain,
health and the environment.
The crossed out "wheeled b
obligation, that when you dispose of the appliance, it must be separately
collected.
Consumers should contact their local authority or retailer for information
concerning the correct disposal of their old appliance.
- Adjust resolu
frequency.
- Check it whether the signal cable is connecte
loose.
- Check the input source.
e on back
- Work the auto configure or adjust clock, phase, or
H/V position.
- Check the signal cable.
- Reinstall the PC video card.
e prevented. Careful and regular cleaning can extend the life
n b
ay to keep the dust off your screen for a while. Wet a soft cloth in a
almost dry, and then used it to wipe the scre
directive 2012/19/EU
POSSIBLE SOLUTION
tion, horizontal frequency, or vertical
on Waste Electrical and Electronic
and reduce the impact on human
in" symbol on the product reminds you of your
21
en.
ld electrical appliances must
al waste stream. Old
he recovery and
d or
u turn on