Keysight NFA Series Noise Figure Analyzers Service Guide
421
Assembly Replacement Procedures
RF Front End Assembly (N8973B, 74B, 75B)
Figure 15-24
RF Front End Assembly Removal
Replacement
1.
. Place the RF Front End Assembly into the chassis.
Replace the four screws
(2)
. Torque to 9 inch-pounds in the sequence
shown, starting with #1.
2.
Reattach ribbon cable W17 to the RF Front End Assembly.
3.
Reattach the cables W3, W4, W5, W7, W15 or W36, and W20 to the RF
Front End Assembly
(1)
. Torque the semi-rigid cables to 10 inch-pounds.
4.
Replace the front panel. Refer to the
replacement
procedure.
5.
Replace the instrument top brace. Refer to the
replacement
procedure.
6.
Replace the instrument outer case. Refer to the
replacement procedure.
W7 will not be present on the N8973B.
Содержание N8973B
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Страница 44: ...44 Keysight NFA Series Noise Figure Analyzers Service Guide Overview How to Return Your Instrument for Service ...
Страница 132: ...132 Keysight NFA Series Noise Figure Analyzers Service Guide Instrument Messages Condition Messages ...
Страница 228: ...228 Keysight NFA Series Noise Figure Analyzers Service Guide RF Section Troubleshooting N8976B Troubleshooting ...
Страница 268: ...268 Keysight NFA Series Noise Figure Analyzers Service Guide Analog Digital IF Troubleshooting 25 MHz BW IF Section ...
Страница 322: ...322 Keysight NFA Series Noise Figure Analyzers Service Guide Block Diagrams Block Diagrams Block Diagrams ...
Страница 332: ...332 Keysight NFA Series Noise Figure Analyzers Service Guide Block Diagrams Block Diagrams NFA Computer Block Diagram ...
Страница 350: ...350 Keysight NFA Series Noise Figure Analyzers Service Guide Service and Diagnostics Menus Front Panel Key Test ...
Страница 470: ...470 Keysight NFA Series Noise Figure Analyzers Service Guide Assembly Replacement Procedures Front Frame Assembly ...