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Polk MagniFi Soundbar Motherboard Replacement

What you need

  1. Polk MagniFi Soundbar Motherboard Replacement, The Motherboard: step 1, image 1 of 1
    • To begin, remove the 8 screws locating on the back of the soundbar. These can be removed with the ifixit screwdriver equipped with a Phillips'head in size J1.

    • The cover will lift up, but there will be wires underneath connected to the cover that need to be unscrewed.

    • The 8 screws on the back cover, as well as the screws removed in the following steps, are all the exact same length (approx. 1 centimeter). Keep track of all screws but do not worry if they become mixed up.

  2. Polk MagniFi Soundbar Motherboard Replacement: step 2, image 1 of 2 Polk MagniFi Soundbar Motherboard Replacement: step 2, image 2 of 2
    • Remove the two screws using the Phillips #1 screwdriver. Once they are unscrewed, the panels will hang loose allowing unobstructed access to the motherboard.

  3. Polk MagniFi Soundbar Motherboard Replacement: step 3, image 1 of 3 Polk MagniFi Soundbar Motherboard Replacement: step 3, image 2 of 3 Polk MagniFi Soundbar Motherboard Replacement: step 3, image 3 of 3
    • Remove the three sets of wires plugged into the motherboard (image 1). These are removed by gripping the base of the wire firmly and pulling straight up.

    • Unscrew and remove the four screws (two on either side) to release the motherboard from the rest of the soundbar (Images 2 & 3).

  4. Polk MagniFi Soundbar Motherboard Replacement: step 4, image 1 of 2 Polk MagniFi Soundbar Motherboard Replacement: step 4, image 2 of 2
    • Now that the soundbar is unscrewed, carefully lift the motherboard up and remove the wire attached to the underside of it. To do this firmly grasp the wires at the base (image 1) and pull them straight up.

    • The motherboard is now completely detached.

    • This component is fragile, and this step needs to be done carefully.

Conclusion

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

2 other people completed this guide.

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Member since: 10/22/18

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11 Comments

Where do you buy the motherboard?

luism60613 - Reply

Where do you buy the mother board?

klwalker1965 - Reply

Where do you buy a replacement motherboard? ???

Todd Guenther - Reply

Same question- where do you buy the replacement motherboard?

LL Poffo - Reply

I need a motherboard - where do I purchase it?

Tim - Reply

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