440 N9030B PXA Signal Analyzer Service Guide
Assembly Replacement Procedures
RF Area (Options 503, 508, 513, 526)
Attenuators
Removal
1. Refer to Figure 16-8. To remove Attenuator A (1) or Attenuator B (2),
remove the semi-rigid cables W2, W3, W4, or W6 attached to the
attenuator using the 5/16 inch wrench.
2. Remove the ribbon cable attached to the attenuator.
3. Remove the two screws (3) or (4) (0515-0372) for each attenuator
bracket to remove from the chassis using the T-10 driver.
4. Remove the attenuator from the bracket by removing the two screws
(0515-0372).
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