Sun Ultra 20 Workstation
 

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In this Document

Goal

Solution

Oracle Confidential PARTNER - Available to partners (SUN).
Reason: FRU CAP

Applies to:

Goal

How to remove and replace an Ultra 20 Workstation Power Supply.

Solution

DISPATCH INSTRUCTIONS
- WHAT SKILLS DOES THE ENGINEER NEED:
- TIME ESTIMATE: 15 minutes
- TASK COMPLEXITY: 1

FIELD ENGINEER INSTRUCTIONS:
- PROBLEM OVERVIEW: Replacing the Power Supply

- WHAT STATE SHOULD THE SYSTEM BE IN TO BE READY TO PERFORM THE RESOLUTION ACTIVITY?:

A data backup is not a pre-requisite but is a wise precaution.
The customer should conduct an orderly software system shutdown.

Then power down the system and disconnect the Power Cord.

- WHAT ACTION DOES THE ENGINEER NEED TO TAKE:
Removing the Power Supply
To remove the power supply:

1. Turn off the power button on the back panel and all of the peripherals connected to the workstation, and then unplug the AC power cord from the system.
2. Remove the left-side access panel.
3. Gently lay the system on its right side on a stable, nonslip surface, and locate the power supply
4. Unfasten the connectors from the motherboard and release the cable management strap
5. Unfasten the power connectors attached to the motherboard, DVD drive and SATA backplane
6. Working from outside the back of the chassis, unfasten the four mounting screws and withdraw the power supply through the interior of the system chassis
7. Install the new power supply as shown as Section 4.5.8.2, Installing the Power Supply.

Installing the Power Supply
To install the power supply:

1. Remove the left-side access panel, if necessary.
2. Gently lay the system on its right side on a stable, non-slip surface.
3. Remove the new power supply from its package.
4. Locate where the power supply is to be installed, and place the power supply inside the chassis.
a. Align the power supply IEC-320 connector (power cord socket) and fan with the chassis back-panel opening.
b. Position the power supply with the chassis power supply brackets.
c. Rotate the power supply down and into the chassis.
5. Fasten the power supply to the chassis.
6. Reconnect the power supply cables and secure them with the cable management tie.

Caution - When installing power supply cables, make sure that the cables do not interfere with the DIMMs. If the cables push against the DIMMs after they are installed, they could cause the DIMMs to become loosened from the connectors.

7. Replace the left-side access panel.


OBTAIN CUSTOMER ACCEPTANCE
- WHAT ACTION DOES THE CUSTOMER NEED TO TAKE TO RETURN THE SYSTEM TO
AN OPERATIONAL STATE:

PARTS NOTE:
https://support.us.oracle.com/handbook_internal/Systems/Ultra20/components.html

REFERENCE INFORMATION:

Sun Ultra 20 Workstation User Guide
http://download.oracle.com/docs/cd/E19127-01/ultra20.ws/819-2146-13/index.html

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