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Step 6. Remove Port 1 and Port 2 Coupler Assemblies from the Test Set Deck
For instructions on removing the coupler assemblies, click the Chapter 7 bookmark "Removing and Replacing
1
the A29-A32 Reference Couplers and Reference Coupler Mounting Brackets" in the PDF Service Guide
. Save
the parts for reinstallation later.
Step 7. Swap Brackets on the Port 1 and Port 2 Coupler Assemblies
Remove the brackets from the coupler assemblies being careful to remember which bracket was removed from
each coupler. Reinstall the bracket that had been installed on the Port 1 Coupler Assembly onto the Port 2
Coupler Assembly. Next, reinstall the bracket that had been installed on the Port 2 Coupler Assembly onto the
Port 1 Coupler Assembly.
Step 8. Assemble the Port 2 and Port 3 Step Attenuators
Refer to
Figure 1
for this step of the procedure. New parts are listed in
Table 1 on page
7. Use a T-10 TORX driver
to tighten all screws.
Figure 1
Port 2 and Port 3 Step Attenuators Assembly
1. See
"Downloading the Online PNA Service Guide" on page
5.
14
Installation Note N5247-90103
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