Disassembling Wii Balance Board - iFixit Repair Guide

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What you need

Step 1 Floor Unit

Disassembling Wii Balance Board, Floor Unit: step 1, image 1 of 1

Unscrew these #1 Philips screws, and leave them in the plastic foot holders.

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Step 2

Disassembling Wii Balance Board: step 2, image 1 of 1

Remove the foot holders and place them on the side

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Step 3

Disassembling Wii Balance Board: step 3, image 1 of 1

Remove the four feet and place them on the side

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Step 4

Disassembling Wii Balance Board: step 4, image 1 of 1

Remove these #1 Philips screws, and leave them in their counterbores

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Step 5

Disassembling Wii Balance Board: step 5, image 1 of 1

Lift grey shell off and place to the side to reveal:
ADC and Logic board
Bluetooth module
Strain gauges
Battery holder

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Step 6

Disassembling Wii Balance Board: step 6, image 1 of 1

The ADC and Logic board contains:
Bluetooth module
Power button connector
Battery and sync button connector
Strain gauge wheatstone bridge connections
The topmost connection for each of the four bridge connections is the ground; relative to this, the two middle connections should be at 1.2 VDC, and the bottom should be at 2.7 VDC

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Conclusion

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

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Author

Pete Marchetto

Member since: 01/25/11

667 Reputation

2 Guides authored

5 Guide Comments

Great stuff Pete, being able to fix the wifi board got me mucho street cred with " her indoors " and lots of other goodies that go along with that

HENRY - Dec 4, 2016 Reply Share

Can I take out the battery box without removing the bottom?

Richard Merchant - Aug 5, 2018 Reply Share

No, you can't. You will have to follow this procedure completely.

paulo lima - Dec 30, 2018 Reply Share

Thank you! I was able to fix our 10 year old balance board.

the kids think I’m a roakstar, for now anyway.

lisadubya - Jul 31, 2019 Reply Share

is there schematics for the power pcb

?

Josué Hernandez - Mar 15, 2021 Reply Share

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