364 Keysight Technologies N9040B UXA Signal Analyzer Service Guide
Assembly Replacement Procedures
RF Area - Options 508, 513, 526
Replacement
1. Refer to Figure 15-9 or Figure 15-10. Position the attenuator in the bracket
so that the ribbon connector end is “down”.
2. Replace the two screws (0515-0372) that attach the attenuator to the
bracket. Torque to 9 inch-pounds.
3. Position the attenuators and bracket into the chassis and attach with the
screws (3) (0515-0372). Torque to 9 inch-pounds.
4. Replace the ribbon cable and semi-rigid cables W2, W3, W4, and W51 to
the attenuators. Torque the semi-rigid cables to 10 inch-pounds.
5. Replace the RF bracket, front panel, and instrument outer case as
described on page 360.