Keysight Technologies N5241B, Installation Note

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Installation Note N5242-90122 33
Description of the Upgrade
Installation Procedure for the Upgrade
— W41 (reuse) (N5242-20110 or N5222-20067) A11 13.5 GHz
synthesizer to A21 HMA26.5
* Route cable through deck cutout to A11 synthesizer board.
— W30 (reuse 6x) (E8356-20072 or N5222-20091) Front panel jumpers
Step 18.Reinstall the A19 Test Set Motherboard
1. For instructions on reinstalling the board, click the Chapter 7 bookmark
“Removing and Replacing the A19 Test Set Motherboard” in the PDF
Service Guide
1 .
2. Install the following new ribbon cables in the order listed. To see an image
showing the location of these cables, click the Chapter 6 bookmark
“Bottom Ribbon Cables and Wire Harnesses, 4-Port, Option 417 (including
Option 029A” in the PDF Service Guide
1
. New parts are listed in Table 1 on
page 9 .
— Ribbon cable, N5242-60006 from J213 to A24 mixer brick (2)
— Ribbon cable (8121-0982), A19 test set motherboard J206 to A43
port 3 receiver attenuator
— Ribbon cable (8121-0982), A19 test set motherboard J207 to A44
port 4 receiver attenuator
— Ribbon cable (N5242-60008), A19 test set motherboard J202 to A35
port 3 source attenuator
— Ribbon cable (N5242-60008), A19 test set motherboard J203 to A36
port 4 source attenuator
Step 19. Replace the Front Panel’s Lower Dress Panel
Before the front panel’s lower dress panel can be replaced, the 2-port lower
dress panel and the lower front panel label must be removed from the front
panel assembly. Refer to Figure 12 on page 34 . New parts are listed in Table 1
on page 9 .
1. Remove the 2-Port lower front panel label (item
➀
).
2. Remove the 10 screws (save the screws for reuse) from the 2-port dress
panel and remove the dress panel (item
➁
and
➂
respectively).
1. See “Downloading the Online PNA Service Guide” on page 7 .