Keysight Technologies N9040B UXA Signal Analyzer Service Guide 441
Assembly Replacement Procedures
A6 Power Supply
Serial Number Prefix ≥ 5605 and All Options 544 and 550
1. If the instrument has Option B2X or B5X, the A22 and A23 Wideband
Digital I.F. boards must be removed. Refer to the “A22 & A23 Wideband
Digital I.F. Boards” removal procedure.
2. Refer to Figure 15-90. Remove the nine screws (2) (0515-1946) that
attach the A6 power supply (1) to the bracket. The power supply can now
be removed by sliding it out of the rear of the chassis.
Figure 15-90 Power Supply Removal
Serial Number Prefix ≥ 5605 and All Options 544 and 550