Introduction

Are you experiencing trouble with your controller not working? This may contribute to the system not recognizing the controller input or a broken controller port. With this guide, we will help you replace the port in efforts to fix this problem. You will need a 4.5mm Gamebit screwdriver and a 1.25mm white ribbon cable for this guide as well. Happy fixing!

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    • Remove the six 13.5 mm screws on the lower case with a 4.5 mm Gamebit screwdriver.

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    • Flip the Famicom over and set it down.

    • Lift off the upper case.

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    • Carefully disconnect the ribbon cable that is attached to the controller board and the main board.

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    • Lift the controller port board directly up and out of the chassis.

    • If your new controller port board does not come with a ribbon cable, you will also need to replace that.

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    • The next bullet demonstrates how to replace your ribbon cable.

    • Disconnect and remove the old cable and replace it with a new 1.25 mm ribbon cable.

Conclusion

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

Carter Eason

Member since: 05/02/24

454 Reputation

One comment

The B button only works but the rest of the controller is not pressing. Can you help?

Maximus Sampaio Costa -