Troubleshooting: Monitor; Touchscreen Display - Brainlab CURVE DUAL DISPLAY Technical User Manual

TROUBLESHOOTING
3.3

Troubleshooting: Monitor

3.3.1

Touchscreen Display

General Information
There are three main functional monitor parts that affect the display:
• The display itself
• The backlight
• The backlight inverter
Monitor Display
The display is the active part of the monitor.
Occurrence
Some pixels (from which the displayed
images are constructed) may fail over
Backlight
The backlight evenly illuminates the background of the active display so that pixels are visible.
Occurrence
Backlight Inverter
The backlight inverter provides high voltage power supply for the backlight. The 24 volt DC input
is switched up (inverted) to approximately 1200 volts so that the backlights can operate.
Occurrence
Technical User Guide Rev. 1.2 Curve Dual Display, Curve Single Display Ver. 1.0
time.
The display is black.
Backlight not working properly.
Comment
The display may need to be replaced.
Comment
The backlight may need to be replaced (backlights
typically have a specified lifetime of five years).
Comment
The power supply to the monitor may be too low.
NOTE: In general, the backlight inverter in the display
is very robust and should not cause any problems.
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