Introduction

The motherboard controls all actions of the RC car including steering, acceleration, and communication with the remote. A faulty motherboard will lead to many glitches and unresponsive action in all involved systems.

Unscrew the two 2.5mm Phillips #00 screws from the middle of the car.
  • Unscrew the two 2.5mm Phillips #00 screws from the middle of the car.

  • Unclip the two clips to remove the battery cover.

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Unplug the battery by pushing on the clip.
  • Unplug the battery by pushing on the clip.

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Unscrew the two 2.5mm Phillips #00 screws from each side
  • Unscrew the two 2.5mm Phillips #00 screws from each side

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Remove the side skirt covers on each side of the car.
  • Remove the side skirt covers on each side of the car.

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Lift up and remove the two side skirts. Lift up and remove the two side skirts.
  • Lift up and remove the two side skirts.

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Unscrew the two 2.5mm Phillips #00 screws from the front skirt of the car.
  • Unscrew the two 2.5mm Phillips #00 screws from the front skirt of the car.

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Lift the front part of the underbody and pull it out from the main underbody.
  • Lift the front part of the underbody and pull it out from the main underbody.

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Unscrew the remaining seven 9mm Phillips #00 screws from the underbody of the car. The second image shows a closer view of the rear three screws
  • Unscrew the remaining seven 9mm Phillips #00 screws from the underbody of the car.

  • The second image shows a closer view of the rear three screws

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Lift the main underbody from the shell of the car. Lift up the body to expose the wiring and hardware underneath.
  • Lift the main underbody from the shell of the car.

  • Lift up the body to expose the wiring and hardware underneath.

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Remove the reflective sticker from the top of the body.
  • Remove the reflective sticker from the top of the body.

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Unplug the wire connector.
  • Unplug the wire connector.

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Desolder all wires connected to the motherboard.
  • Desolder all wires connected to the motherboard.

    • In this step, you will have to take great care in keeping track of the wires

    • Our suggestion is to attach tape to each wire, and letter the tape. Letter each tape according to the respective lettering found on the motherboard.

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Unscrew the two 1.6mm Phillips #000 screws connecting the motherboard to the under body of the car.
  • Unscrew the two 1.6mm Phillips #000 screws connecting the motherboard to the under body of the car.

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Conclusion

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

Alex Borsotti

Member since: 04/01/2015

101 Reputation

1 Guide authored

Team

Cal Poly, Team 24-3, Lancaster Spring 2015 Member of Cal Poly, Team 24-3, Lancaster Spring 2015

CPSU-LANCASTER-S15S24G3

3 Members

9 Guides authored

One Comment

Hello I need to buy new circuit, can u guide me to any webstore? Thanx

mmekawtar - Reply

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