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MartinLogan Motion 4i Back Cover Replacement

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Use this guide to disassemble the speaker to replace the components inside your MartinLogan Motion 4i model number.

In order to complete most of the other replacement guides you have to take off the back cover.

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  1. MartinLogan Motion 4i Back Cover Replacement, Back Cover: crwdns2935265:01crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 MartinLogan Motion 4i Back Cover Replacement, Back Cover: crwdns2935265:01crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Remove the speaker grill from the face of the speaker by using both hands to grip both ends of the speaker grill and pulling up to release the magnetic ends.

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  2. MartinLogan Motion 4i Back Cover Replacement: crwdns2935265:02crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 MartinLogan Motion 4i Back Cover Replacement: crwdns2935265:02crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 MartinLogan Motion 4i Back Cover Replacement: crwdns2935265:02crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

    • Remove the six caps from the outer edge of the face of the speaker with an iFixit opening tool.

    • Make sure to remove the rubber caps slowly and carefully so that the ends won't break off and create a blockage above the screws.

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  4. MartinLogan Motion 4i Back Cover Replacement: crwdns2935265:03crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Remove the six 4 mm Phillips #2 screws that are located inside each of the holes where the rubber caps used to be.

    • The screws vary in depth, therefore you will need a Phillips #2 screwdriver that is around 6 inches in length from the tip to the start of the handle.

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  5. MartinLogan Motion 4i Back Cover Replacement: crwdns2935265:04crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Place the device face-down, then lift off the back case with both hands.

    • The speaker sometimes takes a little effort to remove the speaker back, so we recommend that you give it a couple shakes by placing each hand on the speaker face and the back when shaking.

    • If you decide to use the shaking method, make sure you're near an immediate surface near you just in case it drops.

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  6. MartinLogan Motion 4i Back Cover Replacement: crwdns2935265:05crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Lightly grip the material that insulates and covers the speaker components and remove it by pulling up.

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  7. MartinLogan Motion 4i Back Cover Replacement: crwdns2935265:06crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 MartinLogan Motion 4i Back Cover Replacement: crwdns2935265:06crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Remove both wires that are connecting the back of the speaker to the components of the speaker to fully access the speaker components.

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

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Austin Paul

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University of North Texas, Team 1-3, Kilpatrick Fall 2023 crwdns2935289:0University of North Texas, Team 1-3, Kilpatrick Fall 2023crwdne2935289:0

UNT-KILPATRICK-F23S1G3

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