Introduzione

A guide to remove the Logic Board from the Sega Dreamcast.

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

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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.

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  • 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

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  • 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.

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  • 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.

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

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  • 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.

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

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  • 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.

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  • Remove the four 14mm Philips #02 screws located on the controller board.

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  • Disconnect the white fan header from the controller port.

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  • Remove the controller board by lifting it up from the controller port.

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  • Detach the orange cable by giving it a gentle pull while wiggling the cable back and forth until it loosens from the logic board.

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  • Detach the cables by gently pulling the three GD-ROM cables to remove them from the logic board.

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  • 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.

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  • 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.

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  • 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.

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  • Remove the two 8.5mm Philips #00 screws from the fan bracket.

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  • Remove the two 17.5mm Philips #00 screws from the fan bracket.

  • Remove the fan from the bracket.

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  • 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.

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  • Lift the metal cover from the console.

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  • 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.

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Conclusione

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

Altre 13 persone hanno completato questa guida.

wkwong

Membro da: 14/11/2009

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Team

Cal Poly, Team 5-1, Regan Fall 2009 Membro di Cal Poly, Team 5-1, Regan Fall 2009

CPSU-REGAN-F09S5G1

5 Membri

23 Guide realizzate

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 - Replica

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