6-16 Keysight N5221A/22A Service Guide
Replaceable Parts
Replaceable Parts Listings
6-
Top Assemblies and Cables, All Options
Top Assemblies, All Options
When replacing an old assembly, install an assembly with either the same
part number or the new part number.
Reference
Designator
Part Number Qty Description
A4 N5240-60074
Was N5242-60150
1 13.5 GHz (source 1) synthesizer board
A5 5087-7342 1 26.5 GHz source (1) board
A6 Not used.
A7 Not used.
A8 5087-7342 1 26.5 GHz source (2) board
A9 Not used.
A10 N5240-60069
Was N5240-60061
1 Frequency reference board
A11 N5240-60074
Was N5242-60150
1 13.5 GHz (LO) synthesizer board
A12 N5240-60077
Was N5240-60056
1 Signal Processing ADC Module (SPAM) board
A13 N5240-60074
Was N5242-60150
1 13.5 GHz (source 2) synthesizer board
A14 N5242-60151 1 System motherboard
A15 W1312-60095 1 Midplane board
A16 0950-4934 1 Power supply
A17 W1312-60196 1
CPU board assembly, Intel ® 2.0 GHz Core ® i7
a
A18 N5240-60059 1 GPIB board
A51
b
N5242-60088 1 Solid state drive (SSD) for Windows XP Operating System- to be used
with the 2.0 GHz CPU board W1312-60196, System CPU version 6
c
N8983A
d
Solid state drive (SSD) for Windows 7 Operating System- to be used
with the 2.0 GHz CPU board W1312-60196, System CPU version 6
c
1420-0356 1
Battery, lithium manganese dioxide, 3V, 0.22A-hr.
e
a. For the latest information on CPUs and associated drives, visit: http://na.support.keysight.com/pna/hdnum-
bers.html.
b. The A51 solid state disk drive for the 2.0 GHz CPU board plugs into the A21 CPU board assembly from the rear panel. Refer
to “Removing and Replacing the A51 Solid State Drive (SSD)” on page 7-50 for an illustration.
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