Replacing Sega Dreamcast Power Block (Power Supply)

Student-Created Guide

Student-Created Guide

An awesome student from our education program made this guide. It is not managed by iFixit staff.

  • Author: wkwong
  • Time required: 7 to 14 minutes
  • Difficulty: Moderate

A guide to remove power block from the Sega Dreamcast.

Edit Step 1 Expansion Bay  ¶ 

Image #1

Edit Step 1 Expansion Bay  ¶ 

  • Verify that the console is disconnected from the AC outlet before you begin.

  • Flip the console over on its back.

  • Take note of your model number, in case replacement parts are needed.

Edit Step 2  ¶ 

Image #1

Edit Step 2  ¶ 

  • Remove the expansion bay by applying pressure to the small clip on the expansion bay while prying it away from the console.

Edit Step 3 Top Cover  ¶ 

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Edit Step 3 Top Cover  ¶ 

  • Locate and remove all four black 12mm Phillips #02 screws from the underside of the console.

  • The fourth screw is hidden under the expansion bay if it has not already been removed.

Edit Step 4  ¶ 

Image #1

Edit Step 4  ¶ 

  • Be careful that the internal components do not topple out.

  • Flip the console topside up.

  • Remove the top cover of the chassis by gently lifting the upper portion of the console.

Edit Step 5 Power Block (Power Supply)  ¶ 

Image #1

Edit Step 5 Power Block (Power Supply)  ¶ 

  • Verify that the console is disconnected from the AC outlet before you begin. If you have just powered off the system, give the capacitors a few minutes to discharge before you begin working.

  • Remove the white female pin header by clamping the clip and pulling it up gently from the power board.

Edit Step 6  ¶ 

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Edit Step 6  ¶ 

  • Remove the two 10mm Philips #02 screws that are fastened to the power block.

Edit Step 7  ¶ 

Image #1

Edit Step 7  ¶ 

  • Do not bend the male pin header between the mounted head when you remove the power supply from the chassis.

  • Remove the power board by using both hands to gently lift the power board away from the console.

Edit Step 8  ¶ 

Image #1

Edit Step 8  ¶ 

  • Remove the clear plastic film that is tucked between the power supply and the chassis.

To reassemble your device, follow these instructions in reverse order.

For more information, check out the Sega Dreamcast device page.

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