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Optoma HD72 Troubleshooting

The Optoma HD72 is a home theater projector that has 720p resolution. Released January 2006, Identified by model number HD72 and manufactured in Taiwan.

Projection Lamp Not Turning On

The projection lamp of the projector does not work or turn on

The projection lamp burnt out.

The projection lamp was completely burnt out and will never work when turned on.

meaning the projection lamp must be replaced with a new one. Replace this component with this guide.

Ballast needs replacement

The Ballast is what powers the projection lamp, and therefore

Must be replaced to fix this issue. Open the device to carefully

remove the Ballast and replace it with a new one, and correctly secure all the necessary

Connections to the rest of the device. Replace this component with this guide.

Device Overheating

The device is incredibly and unusually hot, causing damage to

Other components and their surroundings.

The fan is full of dust

The fan is clogged with dust, causing suppressed heart reduction

In the device. Locate the fan within the device and with a towel or napkin, rub

Each fan blade until the fan is clean.

Fan is non-functioning

The fan doesn't work, meaning no heat reduction is taking place.

This means to fix this issue the fan must be replaced, to do this

Remove the original fan and solder on a new and appropriate fan, correctly securing all

necessary connections, replace this component with this guide.


Projection Too Dim

The projector of the device is too dim to see or otherwise unpleasantly

dull and difficult to make out the visuals.

The projector is about to burn out

The projection lamp has not burnt out yet, though is about to burn out and therefore requires immediate replacement. Replace this component with this guide.


Device Not Turning On

The device will not turn on despite repeated user efforts

Power Adapter is faulty

If the user ensures the power adapter is plugged in correctly leaving little to no gaps between the device and the supplied power source, it may be damaged and cannot connect to the supplied voltage, meaning the user must replace the power adapter. Replace this component with this guide.

Power Supply is faulty

If the device undergoes repeated attempts by the user and fails to turn on, the power supply inside the device may have malfunctioned, meaning the power supply must be carefully replaced by a new one, with the user making and securing all appropriate connections.

 Replace this component with this guide.


Color Distortions

The colors of the device appear distorted and unlike what the images should display.

The color wheel is dirty

The color wheel, which is the source of the projector’s color, is dirty and must be cleaned, do so with a soft towel or napkin and very gently remove the dust particles from the object.

Color Wheel is damaged

The color wheel has been damaged and needs to be replaced, remove the color wheel located inside the device and replace it with a new one, ensuring you have made the appropriate connections. Replace this component with this guide.


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