16
Installation Note N5222-90114
Installation Procedure for the Upgrade
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“Step 21. Reassemble/Assemble the Port 1–4 Bias Tee Combiner
“Step 22. Reinstall the A71 and A74 and Install the New A72 and A73 Bias Tee
“Step 23. Assemble the A29–A32 Test Port Coupler Assemblies.”
“Step 24. Install the LED Boards and Test Port Coupler Assemblies On the
“Step 25. Install the Bulkhead Connectors in the Test Set Front Plate.”
“Step 26. Install the 4-Port Coupler Plate Assembly to the Deck.”
“Step 27. Assemble the A8 26.5 GHz Source 2 Assembly.”
“Step 28. Install the A8 26.5 GHz Source 2 Assembly.”
“Step 29. Install the A13 13.5 GHz (Source 2) Synthesizer Board and Cables.”
“Step 30. Connect New Cables to A20 IF Multiplexer (IF MUX) Board.”
“Step 31. Reinstall A70 Low Frequency Extension (LFE) Board Bracket.”
“Step 32. Install the New Mixer Brick (MXB) Cables and Route Cables.”
“Step 33. Reconnect/Connect Old and New Cables and then Route Low
Frequency Extension (LFE) Cables (8120-5014 (x2) and 8120-5017 (x3)) and
the Other Ends of the Cables Connected to the IF Multiplexer (IF MUX)
“Step 34. Install the New A70 Low Frequency Extension (LFE) Board.”
“Step 35. Connect/Reconnect A71–A74 Bias-Tee Combiner’s Cables to A70
Low Frequency Extension (LFE) Board and the Other Ends of the Cables
Connected to the IF Multiplier (IF MUX) Board.”
“Step 36. Install the New Test Set Cables and Install Cable Clamps on Ferrite
“Step 37. Secure the Front Panel Bulkhead Connectors.”
“Step 38. Reinstall the A19 Test Set Motherboard.”
“Step 39. Install Cables on the A19 Test Set Motherboard.”
“Step 40. Install/Reinstall the A71–74 and Bias-Tee Combiner’s Gray Low
Frequency Extension (LFE) DC bias Cables and Route Cables.”
“Step 41. Install the Other End of the Bias-Tee Combiner Cables to the Source
Synthesizer and LO Synthesizer Board Gray Cables.”
“Step 42. Replace the Front Panel’s Lower Dress Panel.”
“Step 43. Reinstall Front Panel Assembly.”