418 Keysight Technologies N9040B UXA Signal Analyzer Service Guide
Assembly Replacement Procedures
Card Cage Boards
5. Refer to Figure 15-66. Remove the two screws (3) (0515-1946) that
attach the Wideband I.F. assembly to the chassis. Use the ejectors on the
Wideband Analog I.F. assembly to unplug from the motherboard and lift
out of the chassis.
Replacement
1. Reinstall the Wideband Analog I.F. assembly into the correct slot and use
the ejectors to secure and to mate with the motherboard.
2. Refer to Figure 15-66. Replace the two screws (3) (0515-1946). Torque to
9 inch-pounds.
3. Refer to Figure 15-68. Reinstall cables W34, W40, W41, W45, and W46.
You should hear a distinct "snap" when reinstalling the small mmcx
cables.
4. Refer to Figure 15-67. Plug ribbon cable W56 into W57 at the
interconnect. Replace the single screw (1) (0515-0372). Torque to
9 inch-pounds.
5. Replace the top brace as described in the “Top Brace and Card Cage
Brace” replacement procedure.
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