Question about Sanyo PLV-Z2 Multimedia Projector

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Blue haze/fog all over screen

As can be seen from the pics, my PLV-Z2 has acquired a blue haze/fog all over the display area. It started out a few weeks back and gradually grew and shifted position until it has got to the size it is today. My lamp has an astonishing 5027(!) hours on it (all in Eco mode). I was initially quick to condemn the lamp but it is still very bright (not dimmed one bit!), and aside from the haze, the image is fine.

On close inspection, some areas have lots of little grouped blue 'pixels' as well...

Does anyone know what the problem is? Does it need to be serviced to have the panels cleaned...?

Thank you

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Re: Blue haze/fog all over screen

As far as the blue haze and focus goes, look into the blue lens . If the coolant is cloudy or has debris floating in it, the coolant will have to be changed and the lenses and crt face will need to be cleaned. Coolant can be ordered from any electronic distributer

Posted on Dec 26, 2007

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Re: Blue haze/fog all over screen

As it appears from the images that the images are fine. The sanyo PLV-Z2 is a LCD projector. So basically it projects 3 R G and B lights to make the screen. Yes it is definately not a LAMP issue. Either dust could have accumulated on the R and G panels thus leading to these prominent BLUE patches or if the LCD panels are damaged, u have to get the G or R replaced.. try running a application like Displaymate from "" and see which of the panels is exactly responsible for the problem. I think this should sort it out.

Posted on Dec 26, 2007

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( hope this doesn't sound too simplistic, but go back and check all your connections.
Take the cover off again and make sure that the main circuit board on top is pressed on tightly in the area over the right-hand back side because there are two connectors there. Also, there are several other connectors that should be checked--two on the left side, and one just underneath the left side. Those are all the kind where several wires enter a small, hard, plastic rectangle that then plugs into a little socket.

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Q1: Is it DVI-D or DVI-I (with unencrypted DIGITAL output from graphics card)?
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Q2: Is it DVI-D or DVI-I (with HDCP-encrypted DIGITAL output from graphics card)?
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Q3: Is it DVI-I or DVI-A (with ANALOGUE output from graphics card)?
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You should end up with an image.

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The part is replaceable thru sanyo and the cost is $600 + shipping.

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