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Chapter 5: Replacing Assemblies
To remove and replace the acquisition boards/backplane assembly
To remove and replace the acquisition boards/backplane assembly
Use this procedure to remove and replace the acquisition boards/backplane assembly. 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.
Disconnect the power cable and remove the cover, top plate, and bottom plate.
1
Remove the motherboard and bulk 12V power supply.
2
Turn the oscilloscope on its side and remove the SMAs connected to the bottom of the
3
backplane board (Figure 5-30).
Figure 5-30
Disconnect the BNCs from the rear of the instrument using a 9/16 open ended or socket
4
wrench (Figure 5-31).
Figure 5-31
Turn the instrument over so it is positioned upright. Remove the Torx T20 locking
5
screws from the top (underneath where the motherboard used to be) - See Figure 5-32.
108
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