Installation Note N5222-90129 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 A23 Test Set Motherboard.”
“Step 6. Remove Some Bottom-Side (Test Set) Cables.”
“Step 7. Remove the A23 Mixer Brick Assembly.”
“Step 8. Assemble the A24 Mixer Brick and A22 Splitter Assemblies.”
“Step 9. Assemble the A26 and A27 Receiver Coupler Assemblies.”
“Step 10. Install the A23/A24 Mixer Brick Assembly.”
“Step 11. Install the A26 and A27 Receiver Coupler Assemblies.”
“Step 12. Assemble the A35 and A36 Source Attenuators and the A43 and
A44 Receiver Attenuators.”
“Step 13. Install the A35 and A36 Source Attenuators and the A43 and A44
Receiver Attenuators.”
“Step 14. Assemble the A29 - A32 Test Port Coupler Assemblies.”
“Step 15. Install the LED Boards, Bulkhead Connectors, and Test Port Coupler
Assemblies to the 4-Port Test Set Front Plate.”
“Step 16. Install the Bulkhead Connectors in the Test Set Front Plate.”
“Step 17. Install the 4-Port Coupler Plate Assembly to the Deck.”
“Step 18. Remove the Old A11 (x2) Direct Digital Synthesizer (DDS) Assembly
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.
Some of the following figures provided in this procedure contain bias tees.
Bias tees are included in the Option 219/419 upgrade kits and can be
ignored for Options 217/417.
