Keysight Technologies N5222B, Service Manual

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Keysight N5290/1A Service Guide 7-31
Repair and Replacement Procedures
Removing and Replacing the Front Panel Integrated Connectors/Cables
Removing and Replacing the Front Panel Integrated
Connectors/Cables
Tools Required
— T-10 TORX driver (set to 9 in-lb)
— T-20 TORX driver (set to 21 in-lb)
— 5/16 inch open-end torque wrench (set to 10 in-lb)
— ESD grounding wrist strap
Removal Procedure
1. Disconnect the power cord.
2. Remove the outer covers. Refer to “Removing the Cover” on page 7-8 .
3. Remove the front panel. Refer to “Front Panel Assembly, Front Side, All
Options” on page 6-9 and “Front Panel Assembly, Back Side, All Options”
on page 6-13 .
4. Disconnect the power switch cable from the power switch board. Refer to
Figure 6-8 on page 6-16 and to Figure 6-9 on page 6-17 .
5. Remove the front panel and set aside test set. For the location of the
screws, see Figure 6-8 on page 6-16 .
6. Subpanel: Remove the front cables for the port(s) that are connected to
the port’s integrated connector/cable assembly to be replaced by referring
to “Removing and Replacing the Front Panel and Subpanel Assemblies” on
page 7-10 . See also “Front Panel Assembly, Front Side, All Options” on
page 6-9 and “Front Panel Assembly, Back Side, All Options” on
page 6-13 .
7. Using a T-20 TORX, remove the 0515-1101 (4-port (x8)) and (2-port (x6))
screws (item
④
) from both sides of each of the integrated connectors to
be replaced.
8. Disconnect the integrated connector/cables from the A4 test set
motherboard.
9. Gently push the integrated connector/cable assembly towards the rear of
the instrument (away from the face of the subpanel. Refer to Figure 7-17
on page 7-30 .
Be careful not to damage the center pins of the semirigid cables. Some
flexing of the cables is necessary to remove the assembly. However, do not
over-bend the semirigid cables.