Sun Microsystems SUN BLADE 150, Service Manual

Page: 91 / 218

6-1
C H A P T E R
6
Removing and Replacing Major
Subassemblies
This chapter describes how to remove and replace the major subassemblies.
This chapter contains the following topics:
■
Section 6.1, “Power Supply” on page 6-1
■
Section 6.2, “Cable Assemblies” on page 6-3
■
Section 6.3, “Speaker Assembly” on page 6-13
■
Section 6.4, “Fan Assembly” on page 6-15
6.1 Power Supply
To remove and replace the power supply, proceed as follows.
6.1.1 Removing the Power Supply
1. Power off the system, remove the system cover, and attach an antistatic wrist strap
as described in Chapter 5.
Caution – Use proper ESD grounding techniques when handling components. Wear
an antistatic wrist strap and use an antistatic mat. Store ESD-sensitive components in
antistatic bags before placing them on any surface.
2. Disconnect the power cable connector from riser board connector J501 (
FIGURE 6-1
).
3. Disconnect the power cable connector from riser board connector J505.