Sun Microsystems 220R 6.5 How to Remove the DC-to-DC Converter

Note - As you lower the fan tray assembly,ensure that the cables remain
properly routed under theirnotches on the fan tray assembly.
6. Tighten the two captive Phillips screws securing the fan tray assembly to the
chassis.
6.4.3 What Next
Toreassemble the system, complete this task:
Section 2.7 “How to Replace the System Cover” on page 67
6.5 How to Remove the DC-to-DC
Converter
6.5.1 Before You Begin
Complete these tasks:
Section 2.1 “How to Power Off the System” onpage 54
Section 2.4 “How to Position the System for Service” on page 60
Section 2.6 “How to Remove the System Cover” on page 65
Section 2.8 “How to Avoid Electrostatic Discharge” on page 69
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.
Removing and Replacing Miscellaneous Assemblies 167