To Remove And Replace The Backlight Inverter Board - Keysight 9000 Series Service Manual

To remove and replace the backlight inverter board

Use this procedure to remove and replace the backlight inverter board. When necessary, refer to other
removal procedures. The graphics in this chapter are representative of the oscilloscope at the time of
this printing. Your unit may look different.
W A R N I N G
SHOCK HAZARD!
The backlight inverter assembly, which is mounted behind the flat-panel display, operates at high
voltages. DO NOT handle this assembly while it is in operation.
Disconnect the power cable and remove the handle and rear cover.
1
2 Remove the front panel bezel as described in the beginning of the previous section.
3 Open up the front chassis by removing the four T15 screws (two are located on the right side of the
oscilloscope and two are located on the left side). See Figure 31.
Figure 31
This is the upper right side
screw that needs removed.
There is also one below it and
then two screws on the
left side of the oscilloscope
in the same relative locations
Chapter 5: Replacing Assemblies
To remove and replace the
backlight inverter board
97