Dc-To-Dc Converter Assembly; Removing The Dc-To-Dc Converter Assembly - Sun Microsystems Ultra 80 Service Manual

3. Detach the antistatic wrist strap.
4. Replace the access panel and power on the system.
See Section 6.3 "Replacing the Access Panel/Powering On the System" on page 6-6.
7.3

DC-to-DC Converter Assembly

Use the following procedures to remove and replace the DC-to-DC converter
assembly.
7.3.1

Removing the DC-to-DC Converter Assembly

1. Power off the system and remove the access panel.
See Section 6.1 "Powering Off the System/Removing the Access Panel" on page 6-1.
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. Attach the antistatic wrist strap.
See Section 6.2 "Attaching the Antistatic Wrist Strap" on page 6-5.
3. Remove the DC-to-DC converter assembly as follows (
a. Using a No. 2 Phillips screwdriver, loosen the captive screw securing the
DC-to-DC converter assembly to the motherboard.
b. Using the two holes in the converter's metal shroud as a grip, lift the converter
straight up, disconnecting connectors from motherboard connectors J4105 and
J4108.
4. Remove the DC-to-DC converter assembly from the chassis.
):
FIGURE 7-4
Chapter -7