C-8 E6198B Switch/Load Unit User Manual
C Repair Information
64-Pin Matrix Modules
Figure 6-11 shows the relay groupings for the Agilent E8782A.
(The Agilent E8783A is identical but does not have the
instrumentation relays.) Individual relays can be replaced on
the Agilent E8782A and E8783A 32-pin matrix modules. All
relays are 5V, 1A reed relays. The Agilent part number for an
8-pack of relays is 0490-2063. The tables on the following pages
list the component number for each possible relay. The tables
for the Measurement and Instrument Matrices are listed in a
row/column format. For example, in Table C-6, the relay that
connects Measurement Matrix Row5 to Column3 (Abus3) is
K305. Relay component numbers are silk-screened on the back
of the PC board.
Note that E8782A with ID 66
10
and E8783A with ID 70
10
do not
have Row to Aux relays.
Table C-5 Measurement Matrix Relays for E8782A
Column1
(Abus1)
Column2
(Abus2)
Column3
(Abus3)
Column4
(Abus4)
Row to
Aux
Inst1 K101 K201 K301 K401 K901
Inst2 K102 K202 K302 K402 K902
Inst3 K103 K203 K303 K403 K903
Inst4 K104 K204 K304 K404 K904
Inst5 K105 K205 K305 K405 K905
Inst6 K106 K206 K306 K406 K906
Inst7 K107 K207 K307 K407 K907
Inst8 K108 K208 K308 K408 K908
Inst9 K109 K209 K309 K409 K909
Inst10 K110 K210 K310 K410 K910
Inst11 K111 K211 K311 K411 K911
Inst12 K112 K212 K312 K412 K912
Inst13 K113 K213 K313 K413 K913
Inst14 K114 K214 K314 K414 K914
Inst15 K115 K215 K315 K415 K915
Inst16 K116 K216 K316 K416 K916
Inst17 K117 K217 K317 K417 K917
Inst18 K118 K218 K318 K418 K918
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