45
LED-540 provides abundant function for the customers, some functions use
requires users to have quite a bit of professional knowledge. When you have
problems, can try to timing machines, if cannot solve it according the
following step, please contact with the local agent, or contact our service
department directly. For your safety, do not attempt to repair the product by
yourself.
Phenomenon
Check list
Page
Equipment without
image, no display in the
front panel.
Check the power cord
Check the power switch
The front panel of the
screen is displaying
information, but no
image output or output
image is not stable
Check whether properly connected the input
signal and have switched to the corresponding
source (if no signal, the front panel LCD screen
will display no signal, and the machine will
have no image output at the moment )
Check display terminals whether to support
the output resolution and refresh rate of
LED-540.
Check if the brightness and contrast set too
low.
Check whether the user color temperature set
too low.
check picture 1 and 2 input status, whether the
top picture showed a signal
Try to reset the machine to be the factory
setting by “factory reset” of the "function
Settings" sub menu.
[
12]
[
11]
[
17]
[
17]
[
12]
[
20]
Image display position
deviation
Enter“output Settings”submenu, adjust the
“horizontal position”and“vertical position”,
till the image display properly
[
18]
VGA or DVI port images
showed abnormal
Check whether the input signal resolution is
accordance with VESA standard.
[
11]
FAQ