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140 Installing System Components
Replacing the Power Distribution Board
CAUTION: Many repairs may only be done by a certified service technician. You
should only perform troubleshooting and simple repairs as authorized in your
product documentation, or as directed by the online or telephone service and
support team. Damage due to servicing that is not authorized by Dell is not covered
by your warranty. Read and follow the safety instructions that came with the
product.
1
Unpack the new power distribution board assembly.
2
Align the power distribution board with the standoffs on the chassis.
See Figure 3-26.
3
Install the two screws that secure the power distribution board to the
chassis. See Figure 3-26.
4
Connect the power distribution cables to the system board (see "System
Board" on page 141) and fan cable connectors to the power distribution
board as shown in Figure 3-26.
5
Locate the hinged interior catches on either side of the shroud and align
and seat the power distribution board shroud, rotating it down and over
the shroud. See "Installing the Cooling Shroud" on page 102.
6
Orient the power distribution board with the fan markings on the cover
aligned to the fan modules and replace the shroud. See "Installing the
Cooling Shroud" on page 102.
7
Close the system. See "Closing the System" on page 79.
8
Reconnect the system to its electrical outlet and turn the system on,
including any attached peripherals.
R310HOM.book Page 140 Thursday, March 4, 2010 1:03 AM