Keysight N5290/1A Service Guide 7-15
Repair and Replacement Procedures
Removing and Replacing the A2–A4 Boards
iii.
Disconnect the N5292-60004 bias cable from the A3 phase
comp PCA to the A5 test set motherboard.
iv.
Remove the 0515-0372 (x4) screws (item
➇
).
v.
Remove the A3 phase compensation board.
e.
A4 LODA board only:
i.
Disconnect the N5292-60005 ribbon cable from the LODA
board (i.e., the other end goes to the A5 test set
motherboard).
ii.
Remove the 0515-0372 (x2) screws (item
➈
) and the
0515-0375 (x4) screws (item ).
iii.
Remove the A4 LODA board.
Replacement Procedure
1.
Reverse the order of the removal procedure.
Be sure to orient these cables the same as they were on the old board.
2.
Perform the post-repair adjustments, verifications, and performance tests
that pertain to this removal procedure. Refer to
.
Figure 7-6
Disconnect the semi-rigid cables from the A2 LOPA and A4 LODA boards
10
Summary of Contents for N5222B
Page 3: ...3 ...
Page 4: ...4 ...
Page 10: ...6 Keysight N5292A User s and Service Guide Contents ...
Page 28: ...1 18 Keysight N5290 1A Service Guide Safety and Regulatory Information Site Preparation 1 ...
Page 86: ...3 50 Keysight N5290 1A Service Guide System Tests and Adjustments Adjustments 3 ...
Page 128: ...5 10 Keysight N5290 1A Service Guide Theory of Operation Theory of Operation 5 ...
Page 225: ...Installation Note Xxxxx xxxxx 3 ...