Keysight Technologies N9040B UXA Signal Analyzer Service Guide 389
Assembly Replacement Procedures
RF Area - Options 544, 550
3. To access the attenuators, the YTF Preselector, or the YTO, it is necessary
to also remove the RF bracket. Refer to Figure 15-39. Remove the RF
bracket (1) by removing the eleven (or thirteen with Option RTS) screws
(2) (0515-0372), and the six screws (3) (0515-1946), using the T-10
driver.
Figure 15-39 RF Bracket Removal - Options 544, 550
After the part has been replaced, follow these steps:
1. Refer to Figure 15-39. Position the RF bracket onto the chassis and
replace the eleven screws (2) (0515-0372), and the six screws (3)
(0515-1946), using the T-10 driver. Torque to 9 inch-pounds.
2. Replace the front panel. Refer to the Front Frame Assembly replacement
procedure.
3. Replace the instrument outer case. Refer to the “Instrument Outer Case”
replacement procedure.
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