4K DLP projectors have been on the market for a long time now and are undoubtedly the most economical solution if one wants to live the experience of watching UHD HDR 10+ material in his personal home cinema. The DLP […]

Many DLP projector owners (and not only) often densely ask me how to clean their projector to remove spots that appear on the screen usually more strongly on a black background. So I decided to do this here article-guide explaining […]

A potential damage you might encounter in a DLP projector is the presentation while viewing one or more vertical lines. These lines are usually persistent (or occur after several minutes of operation) and occur even if we haven’t connected source, […]

Planar is a company that few people know in the video. Created in 1983 as a main occupation was and still is the design and construction of “custom” imaging instruments, such as the EL (Electroluminescent) LCD panels that serve specific […]

Last more and more manufacturers announce new distribution models using laser as light source and I felt good to write a succinct informative article on the subject. Older and before ending up in the laser diode as light source, manufacturers […]

Before some time came into my hands a JVC projector with a bizarre injury. The projector doesn’t recognize any input signal from both HDMI ports. In the past I have encountered again the specific harm, which was solved by replacing […]

That I am very worried as a man and as a technician is something that I think you all have it figured out. In the context of this concern I present an intervention in DMD change an Infocus IN81 from […]

Recently fell in my hands an American Epson 8500UB, respectively in Europe is the TW4500 (if not TW5000), with several display problems. The most important was a red hue at the top and a green on the bottom. In the […]

The DMD is a chip that is designed to work on the basis of memory RAM (Random Access Memory), known by the use of computers. The chip has a series of tiny mirrors, one for each memory location. Each mirror […]

In my earlier article I had talked about a strange problem that I encountered on a Sony VPL-VW80, involving very large drop of on/off contrast. Our related article https://projectorjunkies.com/?p=1384 Of course I am not with folded hands and started the […]

Optoma HD82 O is a DLP projector here that we got “quality-accurate” series on technology-specific … and for good reason …. The spotlight came on our hands with 1000 + hours and kalimprarismenos. The first thing I did was to […]

Recently, I fell into our hands a Sony VPL-VW80 with not too many hours on his back, somewhere over 1000, which presented a mystery problem. Had lost completely black, which had almost become worse and from DLP. Measuring we found […]

I was always curious to measure the brightness of an LCD projector before and after a cleaning in the optical. The opportunity I was given when I arrived in my hands an Espon TW3000 with approximately 2000 hours on the […]

As we mentioned in part I of our article, it’s time to consider extensively the alleged disparity in LCD (LCD-SXRD-DILA) projectors. We know very well that the first part of the article was fairly “hard”, at least in the less […]

Maybe this is the first time that many LCD projector holders will get through this article clear answers for the problem that “surely” facing the projector over opening hours. Definitely not listening for the first time and even more certainly […]

Following the previous article, here we will talk about the problems faced by tritsipoi projectors as a function of time and dust that accumulate inside them. I really will try to talk about the Visual tritsipwn of the headlights as […]

After prompting several friends-readers, we decided to write this article and say two things concerning the behaviour of projectors in time in relation to the accumulation of dust  in their optical machine. Let’s start splitting of projectors in two basic […]

H construction-conversions are in our blood and really give us life. It’s in our nature to spend our free time trying to get us to the technical limits and you don’t hide that this gives us strength to continue to […]

A while ago we had the pleasure to see and to “arrange” a w6000. O our headlight came to 1300 hours of usage and lamp burned.. Our first impression caused the light weight and the somewhat “Chinese” chassis. … the […]

We all have heard that a projector DLP technology uses an animated color wheel to create colors in the picture … and that is the reality. Where there is a confusion in the minds of most is what exactly happens […]

The history of DLP technology go away, back in 1987 when Professor Dr. Larry Hornbeck was completing its study on a digital device mikrokathreftwn. She argued the Texas Instruments, an optical semiconductor device capable to direct photons with unparalleled accuracy. […]

If you notice a black background usually multiple and irregular white dots (something like a starry night sky) then your projector has a serious problem on the DMD chip. The image you see is similar to this … This problem […]

When such a powerful headlamp gets irreparable damage to the optic. then the amount of repair could not only be a very interesting story. … O our headlight came after his attempt at repair by a technician who suggested the […]