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  1. Sega Dreamcast Logic Board Replacement, Expansion Bay: 步骤 1 中的图像 1,2 Sega Dreamcast Logic Board Replacement, Expansion Bay: 步骤 1 中的图像 2,2
    • 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.

  2. Sega Dreamcast Logic Board Replacement: 步骤 2 中的图像 1,3 Sega Dreamcast Logic Board Replacement: 步骤 2 中的图像 2,3 Sega Dreamcast Logic Board Replacement: 步骤 2 中的图像 3,3
    • Remove the expansion bay by applying pressure to the small clip on the expansion bay while prying it away from the console.

  3. Sega Dreamcast Logic Board Replacement, Top Cover: 步骤 3 中的图像 1,1
    • 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

  4. Sega Dreamcast Logic Board Replacement: 步骤 4 中的图像 1,1
    • 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.

  5. Sega Dreamcast Logic Board Replacement, Power Block (Power Supply): 步骤 5 中的图像 1,2 Sega Dreamcast Logic Board Replacement, Power Block (Power Supply): 步骤 5 中的图像 2,2
    • 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.

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

  6. Sega Dreamcast Logic Board Replacement: 步骤 6 中的图像 1,1
    • Remove the two 10mm Philips #02 screws that are fastened to the power block.

  7. Sega Dreamcast Logic Board Replacement: 步骤 7 中的图像 1,2 Sega Dreamcast Logic Board Replacement: 步骤 7 中的图像 2,2
    • 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.

  8. Sega Dreamcast Logic Board Replacement: 步骤 8 中的图像 1,1
    • Remove the clear plastic film that is tucked between the power supply and the chassis.

  9. Sega Dreamcast Logic Board Replacement, Controller Port: 步骤 9 中的图像 1,2 Sega Dreamcast Logic Board Replacement, Controller Port: 步骤 9 中的图像 2,2
    • Be gentle with the white controller cable as it can be a bit fragile.

    • Disconnect the white controller cable by gently pulling the the cable while wiggling it back and forth until it detaches from the controller board.

  10. Sega Dreamcast Logic Board Replacement: 步骤 10 中的图像 1,2 Sega Dreamcast Logic Board Replacement: 步骤 10 中的图像 2,2
    • Remove the four 14mm Philips #02 screws located on the controller board.

  11. Sega Dreamcast Logic Board Replacement: 步骤 11 中的图像 1,2 Sega Dreamcast Logic Board Replacement: 步骤 11 中的图像 2,2
    • Disconnect the white fan header from the controller port.

  12. Sega Dreamcast Logic Board Replacement: 步骤 12 中的图像 1,2 Sega Dreamcast Logic Board Replacement: 步骤 12 中的图像 2,2
    • Remove the controller board by lifting it up from the controller port.

  13. Sega Dreamcast Logic Board Replacement, GD-ROM: 步骤 13 中的图像 1,2 Sega Dreamcast Logic Board Replacement, GD-ROM: 步骤 13 中的图像 2,2
    • Detach the orange cable by giving it a gentle pull while wiggling the cable back and forth until it loosens from the logic board.

  14. Sega Dreamcast Logic Board Replacement: 步骤 14 中的图像 1,2 Sega Dreamcast Logic Board Replacement: 步骤 14 中的图像 2,2
    • Detach the cables by gently pulling the three GD-ROM cables to remove them from the logic board.

  15. Sega Dreamcast Logic Board Replacement: 步骤 15 中的图像 1,2 Sega Dreamcast Logic Board Replacement: 步骤 15 中的图像 2,2
    • Remove the two black 12mm Philips #02 screws located on the left side of the GD-ROM bracket.

    • The console is rotated 90 degrees counter-clockwise in the first photo. The second photo depicts the normal position.

  16. Sega Dreamcast Logic Board Replacement: 步骤 16 中的图像 1,2 Sega Dreamcast Logic Board Replacement: 步骤 16 中的图像 2,2
    • When lifting the GD-ROM, be careful that the top half of the casing does not detached from its base.

    • Remove the GD-ROM by gently lifting it from its base.

  17. Sega Dreamcast Logic Board Replacement, Fan: 步骤 17 中的图像 1,1
    • Remove the white fan header by gently pulling it away from from the controller port.

    • The white fan header may already be detached if you have completed the Controller Port Disassembly Guide.

  18. Sega Dreamcast Logic Board Replacement: 步骤 18 中的图像 1,1
    • Remove the two 8.5mm Philips #00 screws from the fan bracket.

  19. Sega Dreamcast Logic Board Replacement: 步骤 19 中的图像 1,2 Sega Dreamcast Logic Board Replacement: 步骤 19 中的图像 2,2
    • Remove the two 17.5mm Philips #00 screws from the fan bracket.

    • Remove the fan from the bracket.

  20. Sega Dreamcast Logic Board Replacement, Logic Board: 步骤 20 中的图像 1,3 Sega Dreamcast Logic Board Replacement, Logic Board: 步骤 20 中的图像 2,3 Sega Dreamcast Logic Board Replacement, Logic Board: 步骤 20 中的图像 3,3
    • Remove the five 10mm Philips #02 screws from left side of the logic board cover.

    • Remove the three black 12mm Philips #02 screws from the right side of the logic board cover.

  21. Sega Dreamcast Logic Board Replacement: 步骤 21 中的图像 1,3 Sega Dreamcast Logic Board Replacement: 步骤 21 中的图像 2,3 Sega Dreamcast Logic Board Replacement: 步骤 21 中的图像 3,3
    • Lift the metal cover from the console.

  22. Sega Dreamcast Logic Board Replacement: 步骤 22 中的图像 1,2 Sega Dreamcast Logic Board Replacement: 步骤 22 中的图像 2,2
    • Before handing the logic board, you may want to use a grounding strap to protect the device from static charge. If you do not have a grounding strip, you may ground yourself by touching a large metallic object.

    • Remove the logic board and set the logic board on an anti-static surface.

结论

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

17等其他人完成本指南。

wkwong

于2009年11月14日注册

468 声望

创作了5篇指南

团队

Cal Poly, Team 5-1, Regan Fall 2009 Cal Poly, Team 5-1, Regan Fall 2009 的会员

CPSU-REGAN-F09S5G1

5 名成员

创作了21篇指南

一条评论

helpful but my dreamcast had a different logic board and as well as fan and gd-rom so keep that in mind if u see something different in your unit

Nickolas Wilcox - 回复

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