6-202 Keysight N5241A/42A/49A Servic e GuideReplaceable PartsReplaceable Parts Listings6-A33 5087-7758Was N5240-600481 Reference mixer switchA34A35A36A3733321-60077Was 33321-600704 Test port 1 source attenuatorTest port 3 source attenuatorTest port 4 source attenuatorTest port 2 source attenuatorA42A43A44A4533321-60078Was 33321-600664 Port 1 receiver attenuatorPort 3 receiver attenuatorPort 4 receiver attenuatorPort 2 receiver attenuatorA46A47A48A49N1811-60028Was N1811-600064 Port 1 mechanical switchPort 3 mechanical switchPort 4 mechanical switchPort 2 mechanical switchA50 5087-7757Was 5087-73151 Combiner➀ N5240-60058Was N5240-600512 Front panel LED boarda. Part numbers in italic typeface are for rebuilt exchange assemblies. Refer to “Rebuilt-Exchange Assemblies” onpage 6-4.b. All new units built after August 2009, no longer use the N5242-60031 cable that was attached to connector P1001 andSource 2. As a result of this change, the IF multiplexer boards have had their P1001 connectors removed. If your instrumentcontains a N5242-60031 cable, remove it from your instrument.c. If your analyzer’s serial number prefix is MY/SG/US5310 and below, your hardware has 2.4 mm connectors. Since thiscomponent has 3.5 mm connectors, you must replace old 2.4 mm connecting cables with new 3.5 mm cables. Also, you mustpurchase one bulkhead connector 1250-3805 for each replacement cable that connects to the front panel. Refer to thefollowing “Bottom RF Cables” table.ReferenceDesignator Part Numbera Qty Description
