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Toshiba SD-K740 Motherboard Replacement

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This guide gives instructions on how to remove the Left-Side Motherboard (Green) of the Toshiba SD-K740 DVD player, which controls the display and disc drive function.

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  1. Toshiba SD-K740 Motherboard Replacement, Top Panel: crwdns2935265:01crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Unplug the DVD player before beginning.

    • Remove the three 7.7 mm screws from the back panel using a Phillips #0 screwdriver.

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    • Turn the DVD player on its side.

    • Remove the 7.7 mm screw.

    • Flip the DVD player onto its other side.

    • Remove the 7.7 mm screw.

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  3. Toshiba SD-K740 Motherboard Replacement: crwdns2935265:03crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Flip the DVD player over onto its front face.

    • Remove the back panel by lifting up and pulling it towards yourself.

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  4. Toshiba SD-K740 Motherboard Replacement, Front Panel: crwdns2935265:04crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Flip the DVD player so its top is sitting on your working surface.

    • Lift and push away the two tabs located in the middle of the player.

    • The front panel will not detach during this step, so do not force it.

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    • Flip the DVD player on its side.

    • Lift and slide forward the single tab on the side.

    • The front panel will not detach during this step, so do not force it.

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    • Grasp the front panel and pull forward to your right to remove it.

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  8. Toshiba SD-K740 Motherboard Replacement, Motherboard: crwdns2935265:07crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Remove the black tie holding the two rear ribbon cables together by untwisting it.

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    • Remove the first of two multipin cables connected to the Left-Side Motherboard (Green) by pulling vertically.

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  10. Toshiba SD-K740 Motherboard Replacement: crwdns2935265:09crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Toshiba SD-K740 Motherboard Replacement: crwdns2935265:09crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Remove the second of two multipin cables connected to the Left-Side Motherboard (Green) by pulling vertically.

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  11. Toshiba SD-K740 Motherboard Replacement: crwdns2935265:010crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Pull the two cables to the right to disentangle from the disc drive.

    • Do not tug, pull, or force the cable. It should slide out with minimal force.

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  12. Toshiba SD-K740 Motherboard Replacement: crwdns2935265:011crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Toshiba SD-K740 Motherboard Replacement: crwdns2935265:011crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Remove the first of three ribbon cables on the left hand side of the disc drive by pulling vertically.

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  13. Toshiba SD-K740 Motherboard Replacement: crwdns2935265:012crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Toshiba SD-K740 Motherboard Replacement: crwdns2935265:012crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Remove the second of three ribbon cables on the left hand side of the disc drive by pulling vertically.

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    • Remove the third of three ribbon cables on the left hand side of the disc drive by pulling vertically.

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  15. Toshiba SD-K740 Motherboard Replacement: crwdns2935265:014crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Flip the DVD player so it is resting on its front face (so the back is facing you).

    • Remove the four .320 inch screws holding the motherboard to its casing.

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  16. Toshiba SD-K740 Motherboard Replacement: crwdns2935265:015crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Toshiba SD-K740 Motherboard Replacement: crwdns2935265:015crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Push the motherboard forward a few inches to detach it from the casing.

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    • Lift the motherboard from the rear and pull backward (towards you) to remove it entirely from the case.

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

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Joe Murphy

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