HP (Hewlett-Packard) HP 85660B ユーザーズマニュアル

11. Attach attenuator bracket to attenuator by replacing two screws 

12. Place attenuator (attached to bracket) in RF Module.

13. Connect attenuator ribbon cable connector 

 to motherboard connector.

14. Align attenuator connectors 

 with cable connectors and tighten cable connectors.

15. Replace two screws   used to attach attenuator bracket to “totem pole” assembly.

16. Replace two screws 

 used to attach attenuator bracket to motherboard.

17. Replace 

 Phase Lock assembly.

18. Install PC board cover and replace six screws 

19. Reconnect five cables   (three to 

 and two to 

 Cables are color-coded and

color codes are marked on PC board cover.

20. Replace top and bottom covers on RF Section.

21. Replace front panel. (See A5 Front Panel Section for front panel replacement procedure.)

A6 5