Keysight N5241BU-622, Установочная инструкция

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Installation Note N5242-90123 34
Installation Procedure for the Upgrade
— W60 (N5242-60013) A20 IF multiplexer (P203) to A12 SPAM (J2)
— W62 (N5242-60015) A20 IF multiplexer (P603) to A12 SPAM (J5)
— W30 (reuse 6) (E8356-20072 or N5222-20091) 12 front panel jumpers
Step 21.Reinstall the A20 IF Multiplexer Board
For instructions, click the Chapter 7 bookmark “Removing and Replacing the A20 IF Multiplexer
Board” in the PDF Service Guide
1
.
Step 22.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 and wire harness in the order listed. To see an image
showing their locations, click the Chapter 6 bookmark “Bottom Ribbon Cables and Wire
Harnesses, 4-Port, Option 422 (including Option 029)” 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
— Wire harness (part of the switch assembly), A19 test set motherboard J103 to A48 port 4
source bypass switch
Follow instructions carefully when making cable connections, especially
wire harness connections. Incorrect connections can destroy components,
resulting in additional customer costs.
1. See “Downloading the Online PNA Service Guide” on page 7 .