To Remove And Replace The Backlight Inverter Board - Agilent Technologies Infiniium 90000 A 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 at the front corner of the oscilloscope near
the flat-panel display, operates at high voltages from 300-1 kVAC
assembly while it is in operation.
Disconnect the power cable and remove the cover and top plate.
1
Disconnect the cables from the backlight inverter board.
2
Figure 5-21
The area surrounded by the white circle is the location of the backlight inverter board (this view is from standing at the rear
of the instrument and looking towards the backplane assembly).
Remove two Torx T20 screws that connect the board to the chassis.
3
Lift the backlight inverter board out through the top of the chassis.
4
To replace the backlight inverter board, reverse this procedure.
5
Chapter 5: Replacing Assemblies

To remove and replace the backlight inverter board

. DO NOT handle this
rms
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