Installation Note N5222-90128 29
Installation Procedure for the Upgrade
Refer to
for this step of the procedure. New parts are listed in
5.
Remove the screws (x4) securing the bias tee combiner assemblies and
carefully remove the Bias T combiners from the chassis as shown. Save the
0515-0372 screws for reuse.
Figure 10
Bias Tee Combiner Installation (using 0515-0372 screws)
Step 14. Remove the A23 Mixer Brick Assembly
Remove the A23 mixer brick assembly from the PNA. For instructions, click the
Chapter 7 bookmark, “Removing and Replacing the A23 and A24 Mixer Bricks”
in the PDF Service Guide
1
.
Carefully tag any cables removed for reassembly later.
1. See
