C-2 E6198B Switch/Load Unit User Manual
C Repair Information
Support Strategy
Rebuilt exchange assemblies are available for many Agilent VXI
modules. However, there are no exchange assemblies available
for the load cards. If a load card fails, you have two choices:
purchase a new load card or troubleshoot the problem and
repair it. If the problem is a relay and you can determine which
relay is defective, you can repair the module. The relays are
through-hole technology and easy to replace.
Locating Load Card Components
Agilent E6175A 8-Channel High-Current Card
See the block diagram in Figure 5-3 to locate the relays and
fuses for the E6175A. The component locator diagram in shows
the non-component side, back of the Agilent E3750-66503
through-hole PC board.This cards uses the 0490-1517 Form C
relay, as shown in Figure C-1. Two Agilent 0490-1839 relays,
switched in parallel, are used to connect the Isense+ and Isense-
signals.
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