Dell 9150 service manual Removing the Power Supply

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Removing and Installing Parts: Dell Dimension 9150 Service Manual

Power Supply

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.

Removing the Power Supply

1.Follow the procedures in "Before You Begin."

2.Disconnect the DC power cables from the system board and the drives.

Note the routing of the DC power cables underneath the tabs in the computer frame as you remove them from the system board and drives. You must route these cables properly when you replace them to prevent them from being pinched or crimped.

3.Remove any cables from the cable routing clip on the power supply.

4.Remove the four screws that attach the power supply to the back of the computer frame.

5.Press the release button located on the floor of the computer frame.

1 release button

2 power supply

3 screws (4) 4 AC power connector

6.Slide the power supply approximately 1 inch closer to the front of the computer.

7.Lift the power supply out of the computer.

file:///T/htdocs/systems/dim9150/en/sm/parts.htm[10/31/2012 7:59:36 AM]

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Contents Model Dcta August 2006 Rev. A01 Before You Begin Getting StartedRecommended Tools Turning Off Your ComputerBefore Working Inside Your Computer About Your Computer Front View of the ComputerBack View of the Computer Telephony program Page Removing the Computer Cover Back to Contents Technical Overview Inside View of Your Computer System Board ComponentsPower Supply DC Connector Pin Assignments DC Power Connector P1 Pin Number Signal Name Color Wire GaugePin Number Signal Name 18-AWG Wire DC Power Connector P2DC Power Connect P3 and P5 DC Power Connectors P8, P9, and P10 DC Power Connector P4DC Power Connector P7 DC Power Connector P11 DC Power Connector P12Specifications Connectors DrivesPower Controls and LightsPhysical EnvironmentalDiagnostic Lights Advanced TroubleshootingPower Lights Light Pattern Problem Description Suggested ResolutionBeep Codes Code CauseMessage Possible Cause Corrective Action Reseat the memory modulesKeyboard or system board may need to be replaced Overview System SetupEntering System Setup System Setup Options Video Boot Sequence Post BehaviorClearing Forgotten Passwords Changing Boot Sequence for the Current BootClearing Cmos Settings Replace the computer coverBack to Contents Memory Overview Removing and Installing PartsMemory Installing Memory Addressing Memory With 4-GB ConfigurationsPage Cards Removing MemoryRemoving and Installing PCI and PCI Express Cards Page Page Page Network Adapter and Sound Card Settings Drive Panels Removing the Drive PanelRemoving the Drive-Panel Insert Replacing the Drive-Panel InsertReplacing the Drive Panel Connecting Drive CablesDrives Drive Interface Connectors Hard DriveRemoving a Hard Drive Installing a Hard Drive Adding a Second Hard Drive Floppy Drive Removing a Floppy Drive Removing a Media Card Reader Installing a Floppy DriveMedia Card Reader Page Installing a Media Card Reader CD/DVD Drive Removing a CD/DVD DriveInstalling a CD/DVD Drive Replace the computer cover Power Supply Removing the Power SupplyRemoving the Processor Replacing the Power SupplyProcessor Page Installing the Processor Socket and processor pin-1 indicator Panel Panel ComponentsRemoving the I/O Panel Page Page Replacing the I/O Panel BatteryReplacing the Battery System Board Removing the System BoardReplacing the System Board Back to Contents Replacing the Computer Cover
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