Replacement - Keysight N8973B Service Manual

Assembly Replacement Procedures
Motherboard Assembly
16.Refer to
Figure 15-47 Motherboard Assembly Removal

Replacement

1. Refer to
2. Refer to
3. Refer to
4. Replace the fan assembly. Refer to the Fan Assemblyreplacement
5. Replace the RF bracket. Refer to
450
Figure 15-47. Remove the motherboard (1) by removing the four
screws (2).
Figure 15-47. Place the motherboard (1) into position in the
chassis and replace the four screws (2). Torque to 9 inch-pounds.
Figure 15-46. Replace the left side chassis by replacing the seven
screws. Torque to 9 inch-pounds.
Figure 15-44. Replace the midplane bracket (1) by replacing the
eight screws (2). Torque to 9 inch-pounds.
procedure.
screws to 9 inch-pounds.
Figure 15-8 on page
Keysight NFA Series Noise Figure Analyzers Service Guide
400. Torque the