6.5 How to Remove the DC-to-DC Converter

6.5.1 Before You Begin

Complete these tasks:

• "2.1 How to Power Off the System"

• "2.4 How to Position the System for Service"

• "2.6 How to Remove the System Cover"

• "2.8 How to Avoid Electrostatic Discharge"

6.5.2 What to Do

1. Disconnect the AC power cord(s) from the system.

2. Disconnect the CPU core voltage power cable from connector J0103 on the DC-to-DC converter board.

   Press the tab on the connector.

   

3. Disconnect the CPU core voltage power sense cable from connector J0102 on the DC-to-DC converter board.

4. Unclip the DC-to-DC converter board from the plastic retaining clips.

   Push down on the plastic tabs while carefully lifting the end of the DC-to-DC converter board.

   

5. Remove the DC-to-DC converter from the chassis.

   Lift the DC-to-DC converter board off the plastic retaining posts while carefully pulling the board back and out from the metal tabs in the chassis.

   

6.5.3 What Next

Complete the following task to reassemble the system:

• "6.6 How to Replace the DC-to-DC Converter"

The DC-to-DC converter on this system is an assembly consisting of two parts, part numbers 375-0094 and 300-1455. Be sure to order both parts if you need to replace the DC-to-DC converter.