Question about Hitachi CP-S225W Multimedia Projector
We have a variety of Hitachi projectors and as they get older, some over 3 years, the screen tends to get a colour wash towards the lower corners. This is usualy a pinky purple colour but we have had a blue wash. This effect does not go away even when lamp is exchanged. I suspect that there may be a build up of fine dust in the projectors over time and could this be affecting the three LCD panels?
It's dust that got into the optics. It needs a cleaning on the color filters, lenses and/or LCD panels. Very careful work with Q tips could fix it. You have to squash the Q tips to get them to fit in tight spots. Do not unscrew the LCD panels, they are hell to realign.
Posted on Feb 04, 2009
your suspection is right that there may be a build up of fine dust in the projectors over time and could this be affecting the three LCD panels. you can open the optical unit and service the same. Your problem will be solved. By replacing lamp is not the solution
Posted on Nov 19, 2007
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