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Garmin Nuvi 255W Logic Board Replacement

What you need

  1. Garmin Nuvi 255W Logic Board Replacement, Rear Casing: step 1, image 1 of 2 Garmin Nuvi 255W Logic Board Replacement, Rear Casing: step 1, image 2 of 2
    • Peel off the sticker from the bottom of the device to reveal two screws.

  2. Garmin Nuvi 255W Logic Board Replacement: step 2, image 1 of 1
    • Remove two T5 Torx screws.

  3. Garmin Nuvi 255W Logic Board Replacement: step 3, image 1 of 2 Garmin Nuvi 255W Logic Board Replacement: step 3, image 2 of 2
    • Insert a plastic opening tool in the gap between the front and rear casing.

    • Carefully work the tool around the gap, separating the two halves of the case.

    • Keep the power switch in place while removing the rear case.

  4. Garmin Nuvi 255W Logic Board Replacement, Logic Board: step 4, image 1 of 1
    • Peel away the tape holding the ribbon cable in place.

    • Disconnect the ribbon cable by using a spudger to flip up the retaining flap on its ZIF-style connector. Then gently remove the cable.

  5. Garmin Nuvi 255W Logic Board Replacement: step 5, image 1 of 1
    • Pull out the cable between the logic board and the speaker to disconnect them.

  6. Garmin Nuvi 255W Logic Board Replacement: step 6, image 1 of 2 Garmin Nuvi 255W Logic Board Replacement: step 6, image 2 of 2
    • Remove the three screws from the logic board using the #00 Phillips screwdriver.

    • Lift the board away from the case but do not pull the logic board completely off, as it is still attached to the battery by a cable.

  7. Garmin Nuvi 255W Logic Board Replacement: step 7, image 1 of 2 Garmin Nuvi 255W Logic Board Replacement: step 7, image 2 of 2
    • Detach the logic board form the battery by pulling out the cable.

Conclusion

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

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Anjelica

Member since: 04/11/10

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Team

Cal Poly, Team 25-90, Amido Spring 2010 Member of Cal Poly, Team 25-90, Amido Spring 2010

CPSU-AMIDO-S10S25G90

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