7-28 Keysight N5290/1A Service Guide
Repair and Replacement Procedures
Removing and Replacing the Front Panel Power Switch Board
7-
Removing and Replacing the Front Panel Power Switch Board
Tools Required
— T-10 TORX driver (set to 9 in-lb)
— T-20 TORX driver (set to 21 in-lb)
— 5/16 inch open-end torque wrench (set to 10 in-lb)
— ESD grounding wrist strap
Removal Procedure
1.
Disconnect the power cord.
2.
Remove the outer covers. Refer to
“Removing the Cover” on page 7-8
.
3.
Remove the front panel and subpanel. Refer to
the Front Panel and Subpanel Assemblies” on page 7-10
,
Assembly, Front Side, All Options” on page 6-9
, and
Assembly, Back Side, All Options” on page 6-13
.
4.
Disconnect the power switch cable from the power switch board. Refer to
and to
.
5.
Remove the two screws from the power switch board and remove the LED
board from the test set. For the location of the screws, see
.
6.
Remove the power switch board from the power switch board base tabs.
Replacement Procedure
1.
Reverse the order of the removal procedure.
2.
Perform the post-repair adjustments, verifications, and performance tests
that pertain to this removal procedure. Refer to
.
Be careful not to damage the center pins of the semirigid cables. Some
flexing of the cables is necessary to remove the assembly. However, do not
over-bend the semirigid cables.
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 ...