Replacing Sega Dreamcast Power Block (Power Supply)

  • Author: wkwong
  • Time estimate: 7 - 15 minutes
  • Difficulty: Moderate

A guide to remove power block from the Sega Dreamcast.

Edit Step 1 Expansion Bay  ¶ 

Image 1/2: Verify that the console is disconnected from the AC outlet before you begin.

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 1/3: '''Remove the expansion bay''' by applying pressure to the small clip on the expansion bay while prying it away from the console.

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  ¶ 

Image 1/1: '''Locate and remove all four black 12mm Phillips #02 screws''' from the underside of the console.

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 1/1: Be careful that the internal components do not topple out.

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 1/2: '''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.'''

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  ¶ 

Image 1/1: '''Remove the two 10mm Philips #02 screws''' that are fastened to the power block.

Edit Step 6  ¶ 

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

Edit Step 7  ¶ 

Image 1/2: '''Do not bend the male pin header''' between the mounted head when you remove the power supply from the chassis.

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 1/1: '''Remove the clear plastic film''' that is tucked between the power supply and the chassis.

Edit Step 8  ¶ 

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

Conclusion

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

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