7-24 Keysight N5264A Service Guide
Repair and Replacement Procedures
Removing and Replacing the A17 CPU Board Assembly
7-
Removing and Replacing the A17 CPU Board Assembly
Tools Required
— T-10 TORX driver (set to 9 in-lb)
— T-20 TORX driver (set to 21 in-lb)
— ESD grounding wrist strap
Removal Procedure
Refer to
for this procedure.
1.
Disconnect the power cord.
2.
It is
not
necessary to remove the instrument cover(s) to remove the A17
CPU board assembly.
3.
Remove six screws (item
①
) from the A17 CPU board assembly; four from
the CPU assembly rear panel and two from the ejector handles.
4.
Grasp the two ejector handles and rotate them outward toward the sides
of the measurement receiver as shown in the illustration. This will
disengage the A17 CPU board assembly from the A15 midplane board.
5.
Slide the A17 CPU board assembly out the rear of the measurement
receiver.
6.
If the A17 CPU board assembly is being replaced, you must first remove
the A51 hard disk drive for reinstallation in the new A17 CPU board
assembly. Refer to
“Removing and Replacing the A51 Solid State Drive
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