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Chapter 5: Replacing Assemblies

To remove and replace the acquisition boards/backplane assembly

108

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.

Remove the motherboard and bulk 12V power supply.

Turn the oscilloscope on its side and remove the SMAs connected to the bottom of the

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

wrench (Figure 5-31).

Figure 5-31

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.

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Agilent Technologies Ininiium 90000 Especificaciones Pagina 108