137
Servicing Boards and Components
These topics explain how to service field-replaceable units (FRUs) in SPARC
Enterprise T5120 and T5220 servers.
■
“Important Safety Instructions” on page 137
■
“Servicing DVD/USB Modules” on page 138
■
“Servicing Fan Power Boards” on page 143
■
“Servicing the Hard Drive Cage” on page 146
■
“Servicing the Hard Drive Backplane” on page 152
■
“Servicing Front Control Panel Light Pipe Assemblies” on page 156
■
“Servicing Power Distribution Boards” on page 160
■
“Servicing Power Supply Backplanes (SPARC Enterprise T5220 Servers)” on
page 167
■
“Servicing Paddle Cards” on page 171
Important Safety Instructions
This topic provides a summary of the safety precautions you need to follow when
servicing circuit boards and other components contained the server chassis.
Most components housed within the chassis must
never
be serviced while power is
present in the chassis. The following table identifies those components.
TABLE:
Components That Require Removal of System Power Before Servicing is
Performed
Component
Servicing procedures
DVD/USB module
“Servicing DVD/USB Modules” on page 138
Fan power boards
“Servicing Fan Power Boards” on page 143
Hard drive cage
Summary of Contents for SPARC Enterprise T5120
Page 1: ......
Page 2: ......
Page 6: ......
Page 82: ...56 SPARC Enterprise T5120 and T5220 Servers Service Manual July 2009 ...
Page 200: ...174 SPARC Enterprise T5120 and T5220 Servers Service Manual July 2009 ...
Page 234: ...208 SPARC Enterprise T5120 and T5220 Servers Service Manual July 2009 ...
Page 239: ......
Page 240: ......