Keysight NFA Series Noise Figure Analyzers Service Guide 415
Assembly Replacement Procedures
RF Area (N8976B)
Attenuators
Removal
1. Refer to Figure 15-20. To remove Attenuator A (1) or Attenuator B (2),
remove the semi-rigid cables W9, W10, W11 and W19 attached to the
attenuator using the 5/16 inch wrench.
2. Remove the W16 ribbon cable attached to the attenuator.
3. Remove the two screws (3) or (4) for each attenuator bracket to remove
from the chassis using the T-10 driver.
4. Remove the two screws to separate the attenuator from the bracket.
Figure 15-20 Attenuators Removal
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