Replacement - Keysight N8973B Service Manual

Assembly Replacement Procedures
Front Frame Assembly
4. Refer to
Figure 15-52 Front Panel Cable

Replacement

1. Reattach the ribbon cable W1.
2. Refer to
3. If Option EXM, External Mixing, is installed attach semi-rigid LO/IF cable.
4. Replace the outer case. Refer to the
458
Figure 15-52. Pull the Front Frame Assembly carefully away from
the chassis. Remove the ribbon cable W1 from the mother board.
Figure 15-51. Carefully position the Front Frame Assembly onto
the chassis. Ensure no cables are crushed. Replace the eight screws (1),
four on each side of the chassis. Torque to 9 inch pounds.
Torque to 10 inch-pounds.
procedure.
"Instrument Outer Case"
Keysight NFA Series Noise Figure Analyzers Service Guide
replacement