Keysight Technologies N9040B UXA Signal Analyzer Service Guide 361
Assembly Replacement Procedures
RF Area - Options 508, 513, 526
A9 & A10 RF Attenuators
Removal
1. Refer to Figure 15-9 or Figure 15-10, depending on the serial number
prefix of your instrument. 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 two or three screws (3) (0515-0372), depending on the
bracket in your instrument, 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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