390 Keysight Technologies N9040B UXA Signal Analyzer Service Guide
Assembly Replacement Procedures
RF Area - Options 544, 550
A9 & A10 RF Attenuators
Removal
1. Refer to Figure 15-40. To remove A9 RF attenuator A (1) or A10 RF
attenuator B (2), remove the semi-rigid cables W2, W3, W4, and W51
using the 5/16 inch wrench.
2. Remove the ribbon cables attached to each attenuator.
3. Remove the three screws (3) (0515-0372) that attach the attenuator
bracket to the chassis using the T-10 driver.
4. Remove the attenuator from the bracket by removing the two screws (4)
(0515-0372).
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