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Introducción

In this guide, you will learn how to replace the main board in the EFS 18-135mm lens. The main board is crucial to the correct operation of the lens, passing focus commands from the camera to the lens.

Partes

No se especificaron partes.

  1. First, detach the lens by pressing and holding the release button highlighted in the picture. Next, grab the lens and rotate it counter-clockwise when looking at the camera. Finally, when the camera stops rotating, pull the lens away from the camera.
    • First, detach the lens by pressing and holding the release button highlighted in the picture.

    • Next, grab the lens and rotate it counter-clockwise when looking at the camera.

    • Finally, when the camera stops rotating, pull the lens away from the camera.

  2. Remove the four 5.5-mm Phillips #000 screws for the lens mount ring (silver ring). Remove the two 4-mm Phillips #000 screws mounting the main board connector.
    • Remove the four 5.5-mm Phillips #000 screws for the lens mount ring (silver ring).

    • Remove the two 4-mm Phillips #000 screws mounting the main board connector.

    • This guide involves removing a lot of very small screws so be sure to have a magnet board to keep track of them.

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  4. Using a spudger, pull the connector loose from the barrel switch ring assembly. Set barrel switch ring assembly to the side.
    • Using a spudger, pull the connector loose from the barrel switch ring assembly.

    • Set barrel switch ring assembly to the side.

  5. Using a spudger, pull the five connectors out of their housing. Use very gentle pressure when pulling connectors out of the lens main board, as they tend to break easily.
    • Using a spudger, pull the five connectors out of their housing.

    • Use very gentle pressure when pulling connectors out of the lens main board, as they tend to break easily.

  6. Remove the two 4-mm Phillips #000 main board mounting screws. Remove the main board from the lens with your hand. The main board is now successfully removed  from the lens.
    • Remove the two 4-mm Phillips #000 main board mounting screws.

    • Remove the main board from the lens with your hand.

    • The main board is now successfully removed from the lens.

Conclusión

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

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