NEC POWERMATE ES 5200 - SERVICE, Service Manual

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Disassembly and Reassembly 3-73
Intrusion Switch Removal
The following sections describe how to remove the intrusion switch assembly
from small desktop, desktop, and minitower systems.
Removing the Chassis Intrusion Switch — Small Desktop
Remove the chassis intrusion switch from a small desktop system by following
these steps.
1.
Turn off the system and disconnect the system power cord.
2.
Ensure that all external cables are disconnected from the front and rear of
the system.
3.
Remove the system unit cover (see “Removing the Small Desktop or
Desktop Cover”).
4. Label and disconnect the chassis intrusion cable connector from the riser
board (for the location of the connector see the figure “Riser Board
Auxiliary Cable Connectors — Small Desktop” in Section 5).
5.
Spread the locking tabs holding the chassis intrusion switch to the chassis
(see the following figure).
6.
Gently pull the chassis intrusion switch out from between the tabs.
Locating the Chassis Intrusion Switch Tabs — Small Desktop