8-2 SPARCstation 5 Service Manual—November 1996
8
8.1.1 Removing the Power Supply
Warning – To avoid personal injury or damage to the system board or
components, press the Standby side of the AC power switch before
disconnecting the external power cord from the rear panel.
The SPARCstation 5 power supply “remembers” the state it was in when the
power cord was detached, and it will automatically return to that state when
the power cord is reconnected.
1. Shut down and power off the system.
See Section 6.1, “Powering Off the System.”
2. Disconnect the external power cord from the rear panel of the system unit
and from the wall outlet.
3. Remove the cover.
See Section 7.1, “Removing the Cover.”
4. Attach a wrist strap and secure it to the upper flat edge of the rear panel.
See Figure 8-1.
Note – The wrist strap is usually grounded to the power supply. When
removing or replacing the power supply, attach the wrist strap to the upper flat
edge of the rear panel to ground the system.
5. On the rear panel, loosen the captive screw(s) securing the power supply
to the chassis.
See Figure 8-1. Some models have two captive screws, others have one.
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