Keysight NFA Series Noise Figure Analyzers Service Guide 439
Assembly Replacement Procedures
A5 Solid State Drive
Installation
1. Refer to Figure 15-38. Plug the A4A1 Disk Drive Interconnect board (5)
into the A4 CPU assembly by carefully sliding it into place from the disk
drive bay opening (6).
2. Install the 2 screws (4) that secure the A4A1 Disk Drive Interconnect
board to the A4 CPU assembly and torque them to 9 inch-lbs.
3. Replace the A4 CPU assembly cover (1) and attach it with 19 new
flat-head screws (2 ) and the 3 pan-head screws (3). Torque all screws to
9 inch-lbs.
4. Re-install the A4 CPU assembly into the instrument. Refer to the CPU
Assembly installation procedure.
5. Re-install the A5 Disk Drive assembly into the instrument. Refer to the
Disk Drive installation procedure.
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