Keysight Technologies 34959A Service Manual page 92

4 Troubleshooting and Diagnostics
007
008
009
010
011
012
013
014
015
016
017
018
019
020
911
912
913
914
041
042
Current Backplane
931
*The current switches use two relays to create a "make-before-break" circuit. You should replace both relays.
92
Bank 1
K607
K608
K609
K610
K611
K612
K613
K614
K615
K616
K617
K618
K619
K620
Backplane
K911
K912
K913
K914
Current*
K841, K841S, F1041
K842, K842S, F1042
K931
Bank 2
027
028
029
030
031
032
033
034
035
036
037
038
039
040
Backplane
921
922
923
924
Current*
043 K843, K843S, F1043
044 K844, K844S, F1044
Keysight 34980A Service Guide
K727
K728
K729
K730
K731
K732
K733
K734
K735
K736
K737
K738
K739
K740
K921
K922
K923
K924