Assembly Replacement Procedures
RF Area (N8973B, 74B, 75B)
Attenuators - RF/Microwave Instruments
Removal
1. Refer to
2. Remove the W16 ribbon cable attached to the attenuator.
3. Remove the two screws (3) or (4) for each attenuator bracket to remove
4. Remove the two screws to separate the attenuator from the bracket.
Figure 15-11
Attenuators Removal
404
Figure
15-11. 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.
from the chassis using the T-10 driver.
Keysight NFA Series Noise Figure Analyzers Service Guide