472 Keysight Technologies N9040B UXA Signal Analyzer Service Guide
Assembly Replacement Procedures
Front Frame Assembly
Replacement
1. Refer to Figure 15-116. Carefully position the front frame assembly onto
the chassis. Ensure no cables are pinched. Ensure the O-ring is secured
over the RF connector. Using the T-20 driver, replace the fourteen screws
(1) (seven on each side) (0515-2044). Torque to 21 inch-pounds.
2. Using the T-10 driver, replace the one screw (2) (0515-0372). Torque to
9 inch-pounds.
3. Refer to Figure 15-115. Reattach the ribbon cable W1. Ensure the locking
tabs are engaged.
4. Refer to Figure 15-114. Reconnect the two cables (1) just behind the front
frame. Torque to 10 inch-pounds.
5. Replace the outer case. Refer to the “Instrument Outer Case” replacement
procedure.
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