Sun Microsystems Sun Blade 100, Service Manual

Page: 103 / 222

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 6-16
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 “Preparing for Component Removal and Replacement.”
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.
2. Disconnect the power cable connector from riser board connector J501 (
FIGURE 6-1
).
3. Using a No. 2 Phillips screwdriver, remove the three screws securing the power
supply to the back panel.