Agilent Technologies Infiniium 90000 A, Руководство по обслуживанию

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