To Remove The Backplane Assembly From The Acquisition/Optional Mso Assembly - Keysight 90000 X Series Service Manual

Chapter 5: Replacing Assemblies

To remove the backplane assembly from the acquisition/optional MSO assembly

To remove the backplane assembly from the
acquisition/optional MSO assembly
Remove the entire acquisition/backplane/optional MSO assembly as described
1
in the previous section.
Remove the four M4 screws (two per acquisition assembly) on the side of the
2
backplane assembly (Figure 5- 36). If the scope is an MSO model, also remove
the two M4 screws connecting the MSO assembly.
Disconnect the cables circled in red in Figure 5- 36.
3
Figure 5-36
Disconnect the two semi- rigid cables from the acquisition boards, circled in red
4
in Figure 5- 37.
Figure 5-37
Remove the four M4 screws from the foot of the assembly (six M4 screws if
5
the scope is an MSO model). Some of the screws are circled in blue in the
photos of Figure 5- 37. When replacing the screws, torque to 18 in- lbs.
100