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Installation Procedure for the Upgrade
Step 15. Assemble the A39 and A40 Source Attenuator Assemblies
Assemble the A39 and A40 source attenuator assemblies. For instructions,
click the Chapter 7 bookmark, "Removing and Replacing the A38-A41 Source
Attenuators and the A46-A49 Receiver Attenuators" in the PDF Service Guide
New parts are listed in
Step 16. Install the A39 and A40 Source Attenuator Assemblies
Install the A39 and A40 source attenuator assemblies. For instructions, click
the Chapter 7 bookmark, "Removing and Replacing the A38-A41 Source
Attenuators and the A46-A49 Receiver Attenuators" in the PDF Service Guide
Step 17. Assemble the A52 Port 4 Mechanical Switch Assembly
Refer to
on page
Figure 5
A52 Port 4 Mechanical Switch Assembly
Step 18. Install the A52 Port 4 Mechanical Switch Assembly
Install the A52 mechanical switch. For instructions, click the Chapter 7
bookmark, "Removing and Replacing the A50-A53 Mechanical Switches and
the A54 Combiner" in the PDF Service Guide
on page 9
Installation Note N5245-90121
Table 1 on page 9
Figure 5
for this step of the procedure. New parts are listed in
9.
of this document.
1. See
"Downloading the Online PNA Service Guide" on page
of this document.
1
. New parts are listed in
6.
1
.
1
.
Table 1
Table 1
21
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