Barco Coronis 21-inch Installation & user manua, Инструкция по установке и эксплуатации

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LCD panel
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LCD panel
It may be possible that dust particles have entered the display and are
stuck behind the front glass.
We recommend to let this cleaning procedure be done in a BARCO
service center.
The product warranty expires when the user
removes the glass panel or otherwise opens the display.
However, when really necessary, you can perform the cleaning on site if
you can work in dust-free conditions. This is to avoid more dust entering
the display when opening it.
To remove the glass panel:
Figure 28
1.
Switch off the display.
2.
Tilt the panel.
3.
Unscrew the 4 sunken screws at the rear, fixing the glass panel
and bezel (28).
4.
Carefully take the glass panel a few centimeter from the display. It
is still connected to the rest of the display by means of the LED
connection.
5.
Unplug the LED connection (29).