Part 1 Removing And Replacing Model 400T And 400Dl Frus; System Assemblies - HP 400 Series Servicing Manual

Part 1 Removing and Replacing Model 400t and 400dl FRUs
5.3

System Assemblies

This section describes the system assemblies and the cables and connectors that link
the assemblies. To view the hardware described in this section, you must first power
down the system and unplug it from the wall outlet. Then, remove the cover from the
system unit (see Figure 5-1).
The following figures show Model 400t and 400dl system unit components:
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CAUTION: Make sure that you are properly grounded before you at-
NOTICES: Always replace the system unit cover during troubleshoot-
5-2 FRU Removal and Replacement
Figure 5-2 shows the system assemblies within the system unit.
Figure 5-3 shows a rear view of the system unit.
Figure 5-20, at the end of Part 1, shows an exploded view of the system unit
FRUs. Accompanying tables list the FRU part numbers.
tempt any of the following procedures. Use an antistatic mat
with static straps and other static prevention devices when-
ever possible.
ing sessions if the system is to run for an extended period of
time. The system unit cover is used to maintain proper air
flow cooling within the system unit.
To maintain FCC/EMI compliance, verify that the covers are
properly seated when closing the system unit.