Chapter 4: Maintaining the Monitor
Performing Internal Maintenance
PHM/PM User Guide
4-3
Opening the Back Cover
To open the back cover, follow the steps below.
1
Turn off the computer to which the monitor is connected.
2
Turn off the monitor.
3
Unplug the monitor from its power source.
4
Disconnect the cables attached to the left side of the monitor:
•
Power Input cable
•
Touchscreen cable (either USB or serial)
•
Video Input cable (either Analog or DVI-D)
•
Ground cable
5
Remove the monitor from its enclosure or arm.
6
Place the monitor face down on a static dissipative mat in a location
free from dirt and moisture and protected against static discharge.
7
Remove the retaining nuts that secure the back cover. There are 12
retaining screws on 15" units and 16 retaining nuts on 17" units.
8
Slowly tilt the back cover just enough to gain access to the internal
cables that connect to it. Refer to the figure below.
Figure 4-1: Removing the 15” Monitor Back Cover
Important: Be careful not to lift the back cover too quickly and
accidently pull the cables off of the board.
9
Disconnect the touchscreen, display and inverter board cables from
their connectors as shown in Figure 4-2. Be sure to disconnect the
