Keysight Technologies N9040B UXA Signal Analyzer Service Guide 423
Assembly Replacement Procedures
A22 & A23 Wideband Digital I.F. Boards
A22 & A23 Wideband Digital I.F. Boards
Removal
1. Remove the instrument outer case. Refer to the “Instrument Outer Case”
removal procedure.
2. Remove the rear panel. Refer to the “Rear Panel” removal procedure.
3. Remove the top brace. Perform step 3 in the “Top Brace and Card Cage
Brace” removal procedure.
4. For Serial Number Prefix < 5605 Options 508, 513, 526:
— Refer to Figure 15-73. Remove the rear brace (1) by removing the
five screws (2) (0515-0372) and the one or two screws (3)
(0515-1946). Option B2X instruments will only have the top screw,
while Option B5X instruments will have both.
Figure 15-73 Rear Brace Removal
Serial Number Prefix < 5605 Options 508, 513, 526
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