356 Keysight Technologies N9040B UXA Signal Analyzer Service Guide
Assembly Replacement Procedures
Top Brace and Card Cage Brace
Serial Number Prefix ≥ 5605 and All Options 544 and 550
Removal
1. Disconnect the instrument from ac power.
2. Remove the instrument outer case. Refer to the “Instrument Outer Case”
removal procedure.
3. Refer to Figure 15-5. To remove the Top Brace use the T-10 driver to
remove the fifteen screws (1) (0515-1946) and the three screws on the
rear panel (2) (0515-0372) attaching the top brace to the chassis.
4. To remove the Card Cage Brace use the T-10 driver to remove the screws
(3) (0515-1946), and the six screws (4) (0515-0372) attaching the card
cage brace to the chassis and the boards. The number of 0515-1946
screws will vary depending on the options installed (fifteen with Options
B2X and B5X, twelve with Option B40 only).
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