366                  Keysight Technologies N9040B UXA Signal Analyzer Service Guide
Assembly Replacement Procedures
RF Area - Options 508, 513, 526
Replacement 
1. Refer to Figure 15-11. Place the switch into place into the chassis and 
replace the four screws (0515-0372). Torque to 9 inch-pounds.
2. Replace the semi-rigid cables W8, W52, and W54. Torque to 
10 inch-pounds.
3. Replace the ribbon cable W7. Ensure locking tabs on the sides of the 
connector are engaged.
4. Replace the RF bracket, front panel, and instrument outer case as 
described on page 360.