Agilent Technologies 856290216 service manual Procedure 4. AlA RPG

Procedure 4. AlA RPG

Removal

1.Remove the A9 input attenuator as described in “Procedure 8. A7 through Al3 Assemblies.”

2.Disconnect the RPG cable from the AlAl keyboard assembly.

3.Remove the front panel RPG knob using a number 6 hex (Allen) wrench. Use a 7/16-inch nut driver to remove the nut holding the RPG shaft to the front panel.

4.Remove the RPG.

Replacement

1.Place the RPG into the front frame with the cable facing the bottom of the spectrum analyzer. Place a lock washer and nut on the RPG shaft to hold it in the frame.

2.Use a 7/16-inch nut driver to secure the RPG assembly to the front frame.

3.Connect the RPG cable to AlAlJ2.

4.Attach the RPG knob using a number 6 hex (Allen) wrench.

5.Replace the A9 input attenuator as described in “Procedure 8. A7 through Al3 Assemblies.”

4-14 Assembly Replacement