Replacing Sega Dreamcast Power Block Power Supply Repair Guide

Difficulty

Moderate

Steps

Time Required

                          7 - 15 minutes

Sections

Expansion Bay
2 steps
Top Cover
2 steps
Power Block (Power Supply)
4 steps

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Introduction

What you need

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.

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.

1024

Step 2

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

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

Step 3

              Top Cover

Locate and remove all four black 12mm Phillips #02 screws from the underside of the console.
Note: Remove the expansion bay to locate the fourth screw

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

Note: Remove the expansion bay to locate the fourth screw

Step 4

Internal components can be loose. Be careful that they do not fall out when removing the cover.
Turn the console right side up.
Remove the top cover by gently lifting the upper portion of the console.

Internal components can be loose. Be careful that they do not fall out when removing the cover.

Turn the console right side up.

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

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.

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.

Step 6

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

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

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.

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.

Step 8

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

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.

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                                                                                      8 other people completed this guide.

Author

                                      with 7 other contributors

                    wkwong

Member since: 11/14/2009

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Team

                       Cal Poly, Team 5-1, Regan Fall 2009                        

                                                  Member of Cal Poly, Team 5-1, Regan Fall 2009 



                    CPSU-REGAN-F09S5G1                     


                                            5 Members                     


                                            21 Guides authored

lauraiss lv - Jul 20, 2016

All symptoms of dead PSU can be occuring, if by accident flat ribbon cable between motherboard and controller board is disconnected. Check that cable if both ends is firmly plugged.

Mardito Online - Oct 4, 2016

Hello There!

i turn on my dreamcast, No video, GD don´t spin, but the orange led barely shine, this happened many years ago (2003) , i just bought another DC in those days because i was in a hurry to end Grandia 2, and now i still have the damaged console in my room and im wondering if it is possible to fix it …thanks!

Mikesin - Jul 20, 2018

Very good and Panico

Introduction#

What you need#

Team#

Introduction

What you need

Team