Question about Projection Televisions
I have a Hitachi 60VS810. It is just over 3 years old. gets about 4-5 hours play per day. It has had the bulb changed about 6 months ago which restored brightness. At that time I noticed the face lens of the old bulb had a haze that could be wipped off. I looked in to the opening where the lamp is installed and saw that there was a haze on the surface of the 1 st convex lense. We wiped that off which improved the contrast and clarity of the image a bit. But we still noticed some haze between the lenses. The tech said there was no way to clean the Lense elements. Is that right? This is not a smoking home but my experience with projection TVs over the last 15 years is that mirros and lenses need occasional cleaning. What about the mirror system behind the screen. Can it be cleaned. What can I do to try and restore the original POP to the image that now seems weak and soft not bright and sharp as it was new. I spent alot on this set as you can imagine but the degraded picture quality is causing me to look at a new plasma. I know I should not have to be doing that yet. Thanks for your help.
I have found a way to clean these, the mirror is very sensitive and doesn't have a glass coating like a regular mirror and if you touch it with your hand (or in my case my forehead) even the tiniest speck of oil will distort the picture but without touching the mirror you can use a new swifter duster, any sort of cloth or tissue will leave lint. So I dusted the mirror first in case any dust fell then I cleaned the lens and blew them both off gently with air and it works great.
Posted on Nov 06, 2009
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