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Installation Procedure for the Upgrade
Step 3. Remove the Inner Cover
For instructions, click the Chapter 7 bookmark "Removing the Covers" in the
PDF Service Guide1.
Step 4. Remove the Front Panel Assembly
For instructions, click the Chapter 7 bookmark "Removing and Replacing the
Front Panel Assembly" in the PDF Service Guide
Step 5. Remove the A23 Test Set Motherboard
For instructions, click the Chapter 7 bookmark "Removing and Replacing the
A23 test set motherboard" in the PDF Service Guide1.
Step 6. Remove Some Bottom-Side (Test Set) Cables
Be careful not to damage the center pins of the semirigid cables. Some
flexing of the cables may be necessary but do not over-bend them.
When removing a cable, also remove the plastic cable clamp, if present. It
is normal for some of the cable clamp's adhesive to remain.
1. Place the analyzer bottom-side up on a flat surface.
2. Remove the following cables. To see an image showing the location of
These cables may be discarded - they will not be reinstalled.
These cables must be saved - they will be reinstalled.
14
these cables, click the Chapter 6 bookmark "Bottom RF Cables, Standard
2-Port Configuration, Option 200" in the PDF Service Guide
— W42 (N5222-20073) A21 HMA26.5 to A23 mixer brick
— W48 (N5222-20003) A33 reference mixer switch to A23 mixer brick (R1)
— W74 (N5222-20072) A38 port 1 bias tee to A29 port 1 coupler
— W14 (N5222-20070) A29 port 1 coupler to front-panel Port 1 CPLR ARM
— W66 (N5222-20065) A41 port 2 bias tee to A32 port 2 coupler
— W26 (N5222-20071) A32 port 2 coupler to front-panel Port 2 CPLR ARM
— W4 (N5222-20040) W3 to A25 port 1 receiver coupler
— W10 (N5222-20043) W9 to A24 port 2 receiver coupler
— W88 (N5222-20004) A42 port 1 receiver attenuator to A23 mixer brick
(A)
1. See
"Downloading the Online PNA Service Guide" on page
1
.
1
.
6.
Installation Note N5222-90119
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