Einleitung
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.
Werkzeuge
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First, detach the lens by pressing and holding the release button highlighted in the picture.
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Next, grab the lens and rotate it counter-clockwise when looking at the camera.
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Finally, when the camera stops rotating, pull the lens away from the camera.
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Remove the four 5.5-mm Phillips #000 screws for the lens mount ring (silver ring).
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Remove the two 4-mm Phillips #000 screws mounting the main board connector.
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Using a spudger, pull the connector loose from the barrel switch ring assembly.
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Set barrel switch ring assembly to the side.
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Remove the two 4-mm Phillips #000 main board mounting screws.
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Remove the main board from the lens with your hand.
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The main board is now successfully removed from the lens.
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To reassemble your device, follow these instructions in reverse order.
