
Chapter 6: Replacing Assemblies
To remove and replace the backlight inverter board
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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.
WARNING 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.
1
Disconnect the power cable and remove the handle and rear cover.
2 Remove the front panel bezzle 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 6-24.
Figure 6-24
4
Pull the front panel chassis away from the main chassis as shown in Figure 6-25.
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
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