30 Installation Note N5222-90114
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 9
Bias Tee Combiner Installation (using 0515-0372 screws)
Step 15. 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