Keysight Technologies N9040B UXA Signal Analyzer Service Guide 413
Assembly Replacement Procedures
Card Cage Boards
Card Cage Boards
The card cage boards are located in the front half of the chassis and consist of
the A15 Front End Control, A16 Reference, A21 Wideband Analog I.F. (Option
B2X and B5X only), and the A14 L.O. Synthesizer.
Figure 15-62 Card Cage Boards
To gain access to any of the card cage boards for removal,
follow these steps:
1. Remove the instrument outer case. Refer to the “Instrument Outer Case”
removal procedure.
2. Remove the card cage brace. Perform step 4 in the “Top Brace and Card
Cage Brace” removal procedure.
After the part has been replaced, follow these steps:
1. Replace the card cage brace as described in the “Top Brace and Card
Cage Brace” replacement procedure.
2. Replace the instrument outer case. Refer to the “Instrument Outer Case”
replacement procedure.
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