はじめに

Use this guide to remove the air filter from your Optoma HD20.

  1. Twist focal cap clockwise until it is fully extended. Remove focal cap by pulling it straight out.
    • Twist focal cap clockwise until it is fully extended.

    • Remove focal cap by pulling it straight out.

  2. Use a Phillips #1 screwdriver to remove the three 7.5mm screws on the bottom of the device.
    • Use a Phillips #1 screwdriver to remove the three 7.5mm screws on the bottom of the device.

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  4. Use a plastic opening tool to gently pry the top cover off of the device.
    • Use a plastic opening tool to gently pry the top cover off of the device.

    • It is easier to pry off the cover from the back side just above the HDMI ports.

  5. When removing the cover, be cautious of the ribbon connecting the top buttons to the main circuit board. The ribbon must be disconnected before proceeding.
    • When removing the cover, be cautious of the ribbon connecting the top buttons to the main circuit board. The ribbon must be disconnected before proceeding.

    • Remove the ribbon by disconnecting it from the main circuit board.

    • Lift up the clip holding it down and pull the ribbon out.

  6. Carefully peel off each air filter from the device Pull up on the air filter to remove it. Pull up on the air filter to remove it.
    • Carefully peel off each air filter from the device

    • Pull up on the air filter to remove it.

  7. Remove the air filter from the device.
    • Remove the air filter from the device.

    • Try not to deposit dirt from the air filter into the inside of the device.

まとめ

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

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