Replacement - Keysight N8973B Service Manual

Assembly Replacement Procedures
Front End Control Assembly

Replacement

1. Refer to
2. Reattach the ribbon cables W16, W17, and W18 and the wire harness
W22 will not be present on the N8973B.
3. Replace the instrument top brace. Refer to the
4. Replace the instrument outer case. Refer to the
426
Figure 15-26. Install the Front End Control assembly into slot 6 in
the chassis securing with the ejector.
W22 to the Front End Control assembly (1). If the instrument has the
Enhanced Front End Control Assembly, reattach the additional cables as
shown in.Figure 15-27.
procedure.
replacement procedure.
Keysight NFA Series Noise Figure Analyzers Service Guide
"Top Brace" replacement
"Instrument Outer Case"