Question about HP vp6320 Multimedia Projector

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Color problem after warm up.

The menus always look correct. Video images from composite or VGA connection look good for the first few minutes then rapidly decay. First there is a quantizing of shades. (it looks like computer screen in 16 color mode - there are "relief map" like gradations on the image.) Then eventually, after 3 or 4 minutes, the image loses most color info. It looks like a tv with the color turned low and the tint all mixed up. Faces are purple, most of the image is monochromatic. The lamp has only 475 hours on it. It worked fine for months then the "relief map thing" slowly appeared. At first I thought it was a bad video signal, but then it got increasingly worse. Any info would be appreciated.

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  • torokb May 11, 2010

    Thanks. My problem is very similar to this color-problem. Two months ago the problem appeared after ten mimutes. (Because of warming.) Today the colors are bad everytime. (Green, gray without red.) What can I do? Do you think I have to go in the HP Service station? I think it would be very expencive. What do you think how much many worth to repair it? OK, it depend on the type of
    the porbolem. (board, wheel sensor etc.) And what does it mean exactly the formatted board? Thaks.


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  • 18 Answers

The probelm is caused by either a bad color wheel sensor, color wheel or formatter board. I have the new redesigned sensor assembly and color wheels that I can sell. It is best if you send me the projector for proper diagnosis.

Posted on Nov 30, 2008

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URGENT: How can I connect my tv to my NEC VT695 projector?


Do you want to duplicate the image going from the source to the projector on your TV? If so, then if your TV has a VGA port, just use the monitor Out on the projector. If your TV doesn't have a VGA port, you'll need an appropriate converter. (Avoid a VGA to component video or VGA to composite cable.) If you add a comment with more information on the inputs for the TV (or the model of the TV), then I will try to point you to the correct converter.

If you want to get your TV signal to the projector, you would need a set-top box (cable, satellite, digital tuner) as the source. Most TVs do not have a video output. You can connect a computer or DVD player to the projector.

The manual and quick guide for the VT695 are available from NEC here: http://www.nec-display.com/dl/en/pj_manual/vt695_491.html . The direct link to the English language version of the manual is http://www.support.nec-display.com/dl_service/data/manual/english/vt695_491_manual_e.pdf .

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Most of the Apple iBook G4 series have a video out port on the left side. This is a non-standard port and would require the use of an adapter (Apple VGA Display Adapter) that is normally included with the laptop package when first bought. The VGA's output connector is the standard 15 pin HD D-Sub (HD-15).

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Please refer to the images below.c02d50f.jpg


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