Sun Microsystems Ultra 5, Service Manual

Page: 115 / 258

Chapter 6 Major Subassemblies 6-3
6.1.2 Replacing the Power Supply
1. Replace the power supply as follows (
FIGURE 6-1
):
Caution –
Verify the voltage selector switch is set to the correct setting: 115V or
230V. Plugging a 115V power cord into a 230V connector will severely damage the
system.
a. Position the power supply into the chassis, tilting it slightly toward the
motherboard.
b. Push the power supply toward the chassis rear to engage the mounting hooks.
c. Using a No. 2 Phillips screwdriver, replace the four screws securing the power
supply to the chassis.
d. Connect the power cable connectors to the following (not illustrated):
■
CD-ROM drive
■
Diskette drive(s)
■
Hard drive
■
Motherboard (J12)
Note – Verify that the cable connectors are oriented properly by aligning the
connector keys.
2. Detach the wrist strap, replace the system cover, and power on the system as
decribed in Chapter 10.