Sun Microsystems Ultra 1 140, Service Manual

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6-2 Sun Ultra 1 Series Service Manual—November 1995
6
Figure 6-1 Rear View of the System
Warning – You must disconnect the AC power cord prior to handling the
power supply. When servicing any other system components, the AC power
cord should remain connected.
When the system power is in the stand-by position, and the AC power cord
remains connected to a power outlet, the hazardous AC voltage is still present
in the power supply primary.
5. Turn off the power to the monitor.
6. Disconnect cables to any external units.
6.2 Powering On the System
1. Turn the power switch on to all peripherals connected to the system.
Turn the power on to the attached peripherals first so the system will
recognize the peripherals when the system is powered on.
2. Turn on the power switch to the monitor.
3. Turn on the power switch to the system.
Power on/
standby switch