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Introduction

Use this guide to replace the Color Wheel on the Optoma HD72. The Optoma HD72 uses a 6-segment color wheel that includes red, green, blue, yellow, cyan, and magenta. The wide color range provided by this color combination enables the projector to create a more lifelike and immersive visual experience.

The following symptoms may indicate a problem or need for replacement with the power supply.

Distorted Color Reproduction
Flickering Colors
Reduced Brightness or contrast
Unusual Color Tints: This could be seen as an unnatural overall color to the images or video.

A few warnings to consider when dissembling this device:

Electrical Hazards: The Optoma HD72 contains high-voltage components, so be wary of electrical shock by ensuring the device has been turned off for at least 5-10 minutes.
The color wheel is delicate and can be easily damaged if not handled with care.

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Étape 1 Upper Case

Optoma HD72 Color Wheel Replacement, Upper Case: étape 1, image 1 de 2

Optoma HD72 Color Wheel Replacement, Upper Case: étape 1, image 2 de 2

Use a Phillips screwdriver to remove the five 2 mm screws on the underside of the device.

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Étape 2

Flip the device over and slightly lift the upper case, with care not to strain the two cables.
Disconnect the two cables that connect the top case to the motherboard.
Lift the upper case up and off.

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Étape 3 Motherboard

Optoma HD72 Color Wheel Replacement, Motherboard: étape 3, image 1 de 3

Optoma HD72 Color Wheel Replacement, Motherboard: étape 3, image 2 de 3

Optoma HD72 Color Wheel Replacement, Motherboard: étape 3, image 3 de 3

Disconnect all of the cables that are connected to the motherboard.

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Étape 4

Remove the four 2 mm Phillips screws that secure the motherboard.
Lift the motherboard up and out of the chassis.

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Étape 5 Color Wheel

Optoma HD72 Color Wheel Replacement, Color Wheel: étape 5, image 1 de 3

Optoma HD72 Color Wheel Replacement, Color Wheel: étape 5, image 2 de 3

Optoma HD72 Color Wheel Replacement, Color Wheel: étape 5, image 3 de 3

Remove the three 2 mm Phillips screws that secure the black housing.
Lift the black housing off.

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Étape 6

Remove the single 2 mm Phillips screw that secures the color wheel.
Lift the color wheel up and out of its housing.

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Étape 7

Optoma HD72 Color Wheel Replacement: étape 7, image 3 de 3

Remove the single 2 mm Phillips screw that secures the circuit board to the side of the color wheel.
Use a sharp tool to cut the zip tie that secures the color wheel’s cables.
Remove the color wheel.