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Hi, I've been out of the country for the last 2 months and just came back to find something wrong with my optoma 700x hd projector. It seems to be a problem with the colour display. Constant twitching on and off from black and white to colour. What could the problem be? and how can i fix it? Thanks

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  • tarek_azwai Apr 11, 2011

    Hi,

    Yeah I just checked, the colour is twitching even when there is no video cable connected. I've disconnected a few times and turned it back on but still nothing. Is the problem serious for me to send it for repair or can I fix it myself? Thanks

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Hi.

The problem is often the the cable. What happens is that the projector receives colors on three different channels, and the signal is either intermittent because of a not well connected video cable, or because of an internal fault. In some case the color wheel is responsible and must be replaced.

If the problem occurs even when the projector is standalone with the blue screen, then the projector is faulty.

Try turning off and disconnecting power cord for two minutes, then test using different video cables. Also ensure that you test projector with two different sources. If that does not fix the problem, then the Optoma is defective. In that case it must be taken apart, tested and repaired. the most common internal fault giving this problem is the color wheel.

Regards.

Ginko

Posted on Apr 11, 2011

  • Ginko
    Ginko Apr 11, 2011

    Hi.

    You will likely need to replace the color wheel. That involves disassembling, but can be done by a user with electronic DIY experience. In some case the problem is not the color wheel, but depends on circuitry and components. Color wheel replacement is not too difficult. The main problems are finding a different color wheel, which is not in stock for this model, and testing to ensure that problem is color wheel. I think that the best thing to do is using the phone number listed in your Optoma user manual to get a quote on repair from a qualified service.

    See:


    SUPPORT - Optoma USA

    Optoma UK and Europe


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