Sun Ultra 5 Workstation
 

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In this Document

Goal

Fix

Oracle Confidential INTERNAL - Do not distribute to customer (OracleConfidential).
Reason: PSU for an Ultra 5 is a FRU so internal

Applies to:

Goal

How to Remove and Replace an Ultra 5 Workstation Power Supply

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Fix

DISPATCH INSTRUCTIONS WHAT SKILLS DOES THE FIELD ENGINEER/ADMINISTRATOR NEED?:

Ultra 5 Workstation product training is desirable but not required

TIME ESTIMATE: 30 mins

TASK COMPLEXITY: 1

FIELD ENGINEER/ADMINISTRATOR INSTRUCTIONS:

PROBLEM OVERVIEW: Power Supply Failure

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 and power off the system.

WHAT ACTION DOES THE FIELD ENGINEER/ADMINISTRATOR NEED TO TAKE?:

Removing the Power Supply

1. Power off the system, remove the system cover, and attach an antistatic wrist strap

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. Remove the power supply as follows:

a. Disconnect the power cable connectors from the following:

 - CD-ROM drive

 - Diskette drive

 - Hard drive(s)

 - Motherboard (J12)

b. Using a No. 2 Phillips screwdriver, remove the four screws securing the power
supply to the back panel.

c. Push the power supply toward the chassis front to disengage the power supply
from the chassis bottom mounting hooks.

d. Lift the power supply from the chassis.

Replacing the Power Supply

1. Replace the power supply as follows:

Caution – Verify the voltage selector switch is set to the correct setting: 115V or
230V. Plugging a 115V power cord into a 230V connector will severely damage the
system.

a. Position the power supply into the chassis, tilting it slightly toward the
motherboard.

b. Push the power supply toward the chassis rear to engage the mounting hooks.

c. Using a No. 2 Phillips screwdriver, replace the four screws securing the power
supply to the chassis.

d. Connect the power cable connectors to the following:
 - CD-ROM drive
 - Diskette drive(s)
 - Hard drive
 - Motherboard (J12)

Note – Verify that the cable connectors are oriented properly by aligning the
connector keys.

2. Detach the wrist strap, replace the system cover, and power on the system

OBTAIN CUSTOMER ACCEPTANCE WHAT ACTION DOES THE FIELD ENGINEER/ADMINISTRATOR NEED TO TAKE TO
RETURN THE SYSTEM TO AN OPERATIONAL STATE:

Boot system and verify functionality

PARTS NOTE:

https://support.us.oracle.com/handbook_internal/Systems/U5/components.html#Power

https://support.oracle.com/handbook_private/Systems/U5/components.html#Power

REFERENCE INFORMATION:

Sun Ultra 5 Service Manual (805-7763-12): http://docs.oracle.com/cd/E19127-01/ultra5.ws/index.html

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