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Installation Note N5222-90128 15
Installation Procedure for the Upgrade
Installation Procedure for the Upgrade
The network analyzer must be in proper working condition prior to installing
this option. Any necessary repairs must be made before proceeding with this
installation.
Overview of the Installation Procedure
“Step 1. Obtain a Keyword and Verify the Information.”
“Step 2. Remove the Outer Cover.”
“Step 3. Remove the Inner Cover.”
“Step 4. Remove the Front Panel Assembly.”
“Step 5. Remove the A19 Test Set Motherboard.”
“Step 6. Disconnect A71 and A74 Bias-Tee Combiner’s LFE Cables From the
A70 Low Frequency Extension (LFE) Board and the Ends of the LFE Cables
Connected to the IF Multiplier (IF MUX) Board.”
“Step 7. Remove the A75 Low Frequency Extension (LFE) Board.”
“Step 8. Remove Some Low Frequency Extension (LFE) Cables (8120-5014
(x1), 8120-5021 (x1), N5240-60097 (x1), and N5240-60098 (x1)) From the IF
Multiplexer (IF MUX) Board.”
“Step 9. Remove Some of the Mixer Brick (MXB) Cables.”
“Step 10. Remove Some Gray Cables From the A20 IF Multiplexer Board.”
“Step 11. Remove the A75/A70 LFE Board Bracket.”
“Step 12. Remove Some Bottom-Side Semi-Rigid Test Set Cables.”
“Step 13. Remove the A71 and A74 Bias Tee Combiner Assemblies.”
“Step 14. Remove the A23 Mixer Brick Assembly.”
“Step 15. Assemble the A24 Mixer Brick and A22 Splitter Assemblies.”
“Step 16. Install the A23/A24 Mixer Brick Assembly.”
“Step 17. Assemble the A26 and A27 Receiver Bridge Assemblies.”
“Step 18. Install the A26 and A27 Receiver Bridge Assemblies.”
“Step 19. Install Semirigid Cable W50 to the Deck.”
“Step 20. Reassemble/Assemble the Port 1–4 Bias Tee Combiner
Assemblies.”
This installation requires the removal of the analyzer’s protective
outer covers. The analyzer must be powered down and
disconnected from the mains supply before performing this
procedure.