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InFocus Screenplay 4805 Light Tunnel Replacement

简介

Replace the light tunnel if experiencing dark bands across or on the edges of the screen.

For this project you'll need a can of compressed air to clean the inside if it's dirty. You'll also need a Torx screwdriver and a metal spudger.

你所需要的

  1. InFocus Screenplay 4805 Light Tunnel Replacement, Top Panel: 步骤 1 中的图像 1，3 InFocus Screenplay 4805 Light Tunnel Replacement, Top Panel: 步骤 1 中的图像 2，3 InFocus Screenplay 4805 Light Tunnel Replacement, Top Panel: 步骤 1 中的图像 3，3

    • Flip the projector on its back.

    • Use the Phillips #2 screwdriver to remove the (4) four 2 cm gold screws.

    • Use the Phillips #2 screwdriver to remove the (3) three 1 cm silver screws.

    编辑

  2. InFocus Screenplay 4805 Light Tunnel Replacement: 步骤 2 中的图像 1，2 InFocus Screenplay 4805 Light Tunnel Replacement: 步骤 2 中的图像 2，2

    • Turn the projector, facing the back cable board towards you.

    • Using the Phillips #0 screwdriver, remove the (3) three 1.0 cm silver screws on the back panel.

    • Gently take off back cable panel.

    编辑

  3. InFocus Screenplay 4805 Light Tunnel Replacement: 步骤 3 中的图像 1，3 InFocus Screenplay 4805 Light Tunnel Replacement: 步骤 3 中的图像 2，3 InFocus Screenplay 4805 Light Tunnel Replacement: 步骤 3 中的图像 3，3

    • Turn the projector so the front side with the lens is facing you.

    • Gently pry the both of the grey lens rings using the metal spudger.

    编辑

  5. InFocus Screenplay 4805 Light Tunnel Replacement: 步骤 4 中的图像 1，1

    • Now that the screws have been removed, proceed with the removal of the outer panel.

    • Gently remove the front lens panel.

    • Be forewarned, the panel will resist. Be careful not to break the lens.

    编辑

  6. InFocus Screenplay 4805 Light Tunnel Replacement: 步骤 5 中的图像 1，1

    • Being careful not to pull the wires inside the projector, gently lift the top panel off the projector.

    • Rest the lid behind the projector so the insides are exposed and undamaged.

    编辑

  7. InFocus Screenplay 4805 Light Tunnel Replacement, Light Tunnel: 步骤 6 中的图像 1，3 InFocus Screenplay 4805 Light Tunnel Replacement, Light Tunnel: 步骤 6 中的图像 2，3 InFocus Screenplay 4805 Light Tunnel Replacement, Light Tunnel: 步骤 6 中的图像 3，3

    • With the lens facing you, remove the following screws:

    • Using the Phillips #1 screwdriver, remove the (3) three 1.25 cm gold screws holding the metal grate between the color wheel unit and the bulb.

    • Using the Phillips #1 screwdriver, remove the (2) two 2 cm gold screws on the right side of the lens house.

    • Using the Phillips #1 screwdriver and a bent driver, remove the (4) four 2 cm screws on the back of the lens house.

    编辑

  8. InFocus Screenplay 4805 Light Tunnel Replacement: 步骤 7 中的图像 1，3 InFocus Screenplay 4805 Light Tunnel Replacement: 步骤 7 中的图像 2，3 InFocus Screenplay 4805 Light Tunnel Replacement: 步骤 7 中的图像 3，3

    • Using a Phillips #0 screwdriver remove the three 1 cm black screws from the lens house.

    • Remove the lens unit.

    编辑

  9. InFocus Screenplay 4805 Light Tunnel Replacement: 步骤 8 中的图像 1，3 InFocus Screenplay 4805 Light Tunnel Replacement: 步骤 8 中的图像 2，3 InFocus Screenplay 4805 Light Tunnel Replacement: 步骤 8 中的图像 3，3

    • Using the Phillips #0 head, unscrew the four 1 cm black screws.

    • Remove the metal casings holding the tunnel in place.

    编辑

  10. InFocus Screenplay 4805 Light Tunnel Replacement: 步骤 9 中的图像 1，2 InFocus Screenplay 4805 Light Tunnel Replacement: 步骤 9 中的图像 2，2

    • Using the Phillips #0 head, unscrew the black 0.5 cm screw on the bottom of the lens house.

    • Remove the light tunnel.

    编辑
结论

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

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