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

For location of hardware and cables referred to in this procedure, see Figure 

1. Remove ac line cords, separate instrument sections, and remove top, bottom, and right

side covers from RF Section.

2. Remove RF front panel. (See A5 Front Panel Removal procedure in A5 Front Panel

section.)

3. Remove two clips   by removing four screws 

4. Remove five cables   from A6 PC boards.

5. Remove A6 RF Module PC cover plate by removing six screws 

6. Disconnect coaxial cable   at point shown.

7. Disconnect two ribbon cables 

 from motherboard.

8. Remove five screws 

9. Slide the RF Module out from the mainframe.

10. Slide the RF Module into the mainframe; push coaxial cable   in slightly so that it does

not get caught on the mainframe.

11. Replace five screws 

12. Reconnect two ribbon cables 

 to motherboard.

13. Reconnect coaxial cable 

14. Replace A6 RF Module PC cover plate by replacing six screws 

15. Replace five cables   to A6 PC boards.

16. Replace two clips   by replacing four screws 

17. Replace front panel.

18. Replace top, bottom, and side covers, reconnect IF and RF Sections, and reconnect ac line

cords.

A6 1