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はじめに

If your Epson projector (model VS240) is experiencing display errors such as dark spots, missing regions, or focus issues, you can use this guide to replace the lens.

The lens is a key component of the projector that allows for images and video to be displayed, and a dirty lens or improper display settings can lead to display issues. Before choosing to replace the lens, check for and troubleshoot common display error issues.

Make sure to power off the projector and disconnect it from any external power sources before proceeding.

必要な工具と部品

手順1 Shell

Epson VS240 Lens Replacement, Shell: 手順 1、 3の画像 1

Epson VS240 Lens Replacement, Shell: 手順 1、 3の画像 2

Epson VS240 Lens Replacement, Shell: 手順 1、 3の画像 3

Using the Phillips #2 screwdriver, loosen the single captive screw on the left side of the projector.
The captive screw will loosen, but it cannot be fully removed.
Slide the panel off and remove it from the device.

翻訳

手順2

Use the Phillips #2 screwdriver to remove the three 5 mm screws.
Using the same Phillips #2 screwdriver, remove the single 8 mm silver screw.

翻訳

手順3

Use a Phillips #1 screwdriver to remove the two 10 mm silver screws from the bottom of the device.

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手順4

Use a Phillips #1 screwdriver to remove the single 10 mm screw where the panel was removed in Step 1.
Remove the white back plate from the device.

翻訳

手順5

Epson VS240 Lens Replacement: 手順 5、 3の画像 3

Flip the projector over so that the underside (side with the feet) is facing you.
Use a Phillips #1 screwdriver to remove five 10 mm screws on the underside of projector.
Using the same Phillips #1 screwdriver, remove a single 10 mm screw in the center hole.
You may need to use a screwdriver extender to reach the single screw.

翻訳

手順6

Epson VS240 Lens Replacement: 手順 6、 3の画像 3

Use a Phillips #1 screwdriver to remove two 10 mm screws from the openings on each side of the air filter, on the topside of the projector.
You may need to use a screwdriver extender to reach the two screws.
Using the same Phillips #1 screwdriver, remove the two 10 mm screws where the white panel was removed on the topside of the projector in Step 1.

翻訳

手順7

Be careful when removing the top cover of projector as there is as white ribbon cable connecting it to the motherboard.
Gently lift top cover and place it on its top next to the projector so that the ribbon has no tension on it.
Gently pull the brown tape connecting the cable to the motherboard and then remove the shell from the device.

翻訳

手順8 Motherboard

Epson VS240 Lens Replacement, Motherboard: 手順 8、 2の画像 1

Epson VS240 Lens Replacement, Motherboard: 手順 8、 2の画像 2

Using a spudger or a plastic opening tool, disconnect all of the wires connected to the motherboard.

翻訳

手順9

Using the Phillips #1 screwdriver, remove three 6 mm screws.
Using the same Phillips #1 screwdriver, remove a single 10 mm screw in bottom right corner of motherboard.

翻訳

手順10

Using a spudger or your fingernails, lift up the black locking tabs and disconnect the three ribbon cables from the motherboard.
For more information on Zero Insertion Force (ZIF) connectors, please visit this guide.
Using the Phillips #1 screwdriver, remove three 10 mm screws on the grey piece that is located on the side of the motherboard.

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手順11

Lift and remove the motherboard up and away from the device.

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手順12 Lens

Epson VS240 Lens Replacement, Lens: 手順 12、 2の画像 1

Epson VS240 Lens Replacement, Lens: 手順 12、 2の画像 2

Rotate the projector 180 degrees to match orientation in images.
Using the Phillips #2 screwdriver, remove four inner 11 mm screws under the black box connected to the lens.
These screws are located deep into the projector and you may need a screwdriver extender to reach two of the four screws.

翻訳

手順13

Detach the wire above the lens using plastic pry bar.
These wires can also be removed by hand; however, a plastic opening tool may be used for more prying power.
Slowly lift the black assembly out of the device.
Be careful of the wire still connected. It does not need to be removed so lay the black assembly close to the projector so no tension is on the wire.