Repair Information C
E6198B Switch/Load Unit User Manual C-5
Other Load Cards
Consult the relevant section for each load card in Chapter 5 for
diagrams and components on other load cards. For more
information see:
• “Using the Agilent E6177A 24-Channel Load Card"
• “Using the Agilent U7177A 24-Channel Load Card"
• “Using the Agilent E6178B 8-Channel Load Card"
• “Using the Agilent N9377A 16-Channel Dual-Load Load
Card"
• “Using the Agilent N9378A 24-Channel Low Resistance
Load Card"
• “Using the Agilent N9379A 48-Channel High-Density Load
Card"
32-Pin Matrix Modules
Figure 6-2 shows the relay groupings for the Agilent E8792A.
(The Agilent E8793A is identical but does not have the
instrumentation relays.) Individual relays can be replaced on
the Agilent E8792A and E8793A 32-pin matrix modules. All
relays are 5V, 1A reed relays. The Agilent part number for an
8-pack of relays is 0490-1838.
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-1, 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.
Table C-1
Measurement Matrix Relays
Column1
(Abus1)
Column2
(Abus2)
Column3
(Abus3)
Column4
(Abus4)
Row to
Aux
Row1 K101 K201 K301 K401 K501
Row2 K102 K202 K302 K402 K502
Row3 K103 K203 K303 K403 K503
Row4 K104 K204 K304 K404 K504
Row5 K105 K205 K305 K405 K505
Row6 K106 K206 K306 K406 K506
Row7 K107 K207 K307 K407 K507
Row8 K108 K208 K308 K408 K508
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