Keysight N5221A Service Manual page 173

PNA Series Microwave Network Analyzers
N5221A/22A
2-Port Configuration, Option 200
Bottom Assemblies, Standard 2-Port Configuration, Option 200
Reference
Designator Part Number
N5240-60163
A19
Was N5245-60003
A20 N5240-60062
A21 5087-7765
5087-7829 
A23
Was 5087-7766
A25
5087-7757
A28
A29
5087-7813
A32
N5240-60058
1
a. Part numbers in italic typeface are for rebuilt exchange assemblies. Refer to
Service Guide N5222-90001
a
Qty Description
1 Test set motherboard
1 IF multiplexer board
1 LO Multiplier/amplifier 26.5 (HMA26.5)
1 Mixer brick
Test port 1 receiver coupler
2
Test port 2 receiver coupler
Test port 1 coupler
2
Test port 2 coupler
Front panel LED board
2
Replaceable Parts Listings
"Rebuilt-Exchange Assemblies" on page
Replaceable Parts
6-4.
6-19