Dell DX6004S Hardware Owner's Manual - Page 130
Power Distribution Board, Removing the Power Distribution Board
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Power Distribution Board The power distribution board is located in your system directly behind the power supply fan modules. This feature provides additional cooling to the power supplies through the power distribution shroud that routes airflow to the power supplies. See Figure 3-23. Removing 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 Turn off the system and attached peripherals, and disconnect the system from the electrical outlet. 2 Remove the power supplies from the system. See "Removing a Redundant Power Supply" on page 117. 3 Open the system. See "Opening the System" on page 76. 4 Locate the power distribution board shroud and lift it out. See "Removing the Cooling Shroud" on page 93. 5 Disconnect the power distribution cables from the system board and disconnect the fan cable connectors. 6 Remove the two screws securing the power distribution board to the chassis and then lift the board out. See Figure 3-23. 130 Installing System Components