Keysight Technologies N9040B UXA Signal Analyzer Service Guide 359
Assembly Replacement Procedures
RF Area - Options 508, 513, 526
3. For Serial Number Prefix < 5605:
— To access the attenuators, the YTF Preselector, or the YTO, it is
necessary to also remove the RF bracket. Refer to Figure 15-7.
Remove the RF bracket (1) by removing the eleven (or thirteen with
Option RTS) screws (2 ) (0515-0372), and the two screws (3)
(0515-1946), using the T-10 driver.
Figure 15-7 RF Bracket Removal,
Serial Number Prefix < 5605 Options 508, 513, 526