26 Installation Note N5222-90131
Description of the Upgrade
Installation Procedure for the Upgrade
-
— W42 (N5222-20073) A21 HMA26.5 to A23 mixer brick
— W12 (N5222-20068) Port 1 CPLR THRU to A29 port 1 coupler
— W12 (N5222-20068) Port 1 CPLR THRU to A29 port 1 coupler
— W123 (N5222-20123) A29 port 1 coupler to front-panel Port 1 A71 bias T
combiner
— W24 (N5222-20069) Port 2 CPLR THRU to A32 port 2 coupler
— W117 (N5222-20071) A32 port 2 coupler to front-panel Port 2 CPLR ARM
These cables must be saved - they will be reinstalled.
— W4 (N5222-20040) W3 to A25 port 1 receiver coupler
— W10 (N5222-20043) W9 to A24 port 2 receiver coupler
— W13 (N5222-20005) A25 port 1 receiver coupler to A33 reference mixer
switch
— W36 (N5222-20032) REF 1 RCVR R1 IN to A33 reference mixer switch
— W35 (N5222-20033) A33 reference mixer switch to front-panel REF 1
SOURCE OUT
— W30 (N5222-20091) (qty = 6) Front panel jumper
Step 13. 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
.
Remove and save the cable guards for the front panel jumpers.
1. See “Downloading the Online PNA Service Guide” on page 8.
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