Keysight Technologies N5244/5B Service Manual page 262

Replaceable Parts
Replaceable Parts Listings
Referenc Serial
e Number Prefixes
Designat
a
Affected
or
A8 All prefixes
A9 All prefixes
A10 All prefixes
A11 Not used
A12 All prefixes
A13 All prefixes
A14 not used
A15 All prefixes
A16 5201 and above
5150 and below
A17 not used
A18 5201 and above
5150 and below
A19 All prefixes
A20 All prefixes
6-28
Part Number Qty
5087-7349 1
Was 5087-7318
5087-6349
1
b
N5245-60125
Was: N5242-60098
(Option 029 only)
b
N5245-60124
(Option 029 only)
5087-7780 1
Was 5087-7327
5087-6780
5087-7349 1
Was 5087-7318
5087-6349
5087-7349 1
Was 5087-7318
5087-6349
N5240-60102 1
N5240-69102
N5240-60223
N5240-69223
N5240-60222
N5240-69222
N5240-60077 1
Was N5240-600056
N5340-60078
N5247-60002 1
N5245-60005
W1312-60095 1
Was W1312-60002
0950-4934 1
Description
Doubler assembly port 2
Noise board
26.5 GHz source (2) board (On 2-port models, this
assembly is included only with Opt 224.)
Doubler assembly port 3
(On 2-port models, assembly A12 is included only with
Opt 224.)
Doubler assembly port 4
(On 2-port models, assembly A13 is included only with
Opt 224.)
Assy, DD 4x Synthesizer (for Options 422, 423)
Assy, DD 3x Synthesizer (for Options 22x, 40x, 41x, 425)
Assy, DD 2x Synthesizer (for Options 20x, 21x)
— Signal Processing ADC Module (SPAM) board -
N5240-60056, N5240-60077 and N5240-60078
are SPAM 5 boards.
System motherboard
Midplane board
Power supply
Keysight N5244B/45B Service Guide