Troubleshooting Guide 4 Troubleshooting
61
Integrated Display is blank
Symptoms Possible Causes of Failure Failure Isolation and Remedy
Integrated display is
blank or brightness is
reduced
(The information listed
in this table is only valid
if the boot phase has
completed without error.
See Boot Phase Failures
table for a description of
the Boot phase.)
Display brightness is reduced
when room temperature, or
instruments placed near patient
monitor, causes the monitor
display to overheat.
Instrument should be placed in an
environment that does not exceed 40
degrees C or below 5 degrees C.
If you have an external XGA display,
connect it to the video port. If the
external display works, you can
eliminate the Video I/F board and the
main board as the cause of failure.
Flat Panel Adapter cable not
connected
Check cable connection of Flat Panel
Adapter Board to Video Board
Backlight Inverter Cable not
connected
Check cable connection of Flat Panel
AdapterBoard to Backlight Inverter
Board
Backlight tubes defective
Replace backlight tubes
Backlight Inverter board
defective
If backlight tubes have already been
replaced, replace backlight inverter
board.
Panel Adapter board defective
Replace panel adapter board
LCD Flat panel defective
Replace LCD Flat panel
Video board defective Replace video board
Main board defective
Replace main board