Sun Microsystems 60 service manual Removing the DC Switch Assembly

4.Replace the PCI fan assembly.

See Section 8.2.2, “Replacing the PCI Fan Assembly” on page 8-6.

5.Connect the AC power cord.

6.Detach the wrist strap.

7.Replace the side access cover.

See Section 7.3, “Replacing the Side Access Cover” on page 7-4.

8.Power on the system unit.

See Section 6.1, “Powering On the System Unit” on page 6-2.

8.8DC Switch Assembly

To remove and replace the DC switch assembly, proceed as follows.

8.8.1Removing the DC Switch Assembly

Caution –Use proper ESD grounding techniques when handling components. Wear an antistatic wrist strap and use an ESD-protected mat. Store ESD-sensitive components in antistatic bags before placing them on any surface.

Caution –The DC switch assembly removal procedure is a complex procedure. It is recommended that a qualified field service representative perform this procedure.

1.Power off the system unit.

See Section 6.2, “Powering Off the System Unit” on page 6-3.

Caution –Pressing the front panel power switch does not remove all power from the system unit; a trickle voltage remains in the power supply. To remove all power from the system unit, disconnect the AC power cord.

Chapter 8 Major Subassemblies 8-19