Question about NEC MultiSync MT1030 Multimedia Projector
There are shadows that appear to the left of any given image from this NEC MultiSync MT1030+ projector.
Here is an example, I viewed this test image:
and took this picture:
Here is a zoomed in image:
You can clearly see that these "shadows" happen at about the same distance to the left of the actual image, and they occur regardless of color. So it does not seem to be a misalignment problem with one of the LCDs or prisms.
I did note that they don't really appear on an all white or all black background, but as you can see they are very visible on a gray background.
Watching a movie or playing a video game with this projector quickly causes a headache!
I have tried adjusting every image option available in the on-screen menu with no improvement.
If anyone could explain to me what might causing this (seems like some electronics problem most likely), I would greatly appreciate it. I know service manuals exist out there for the MT1030 but I have not been able to get my hands on one yet. If anyone could pass on information from one of these manuals or perhaps some electronic schematics I'm sure that would help put me on the right path.
Also note, I'm not afraid to pull this thing apart to fix it, I've already opened it up once to try and find any obvious problems and managed to put it back together with no extra problems afterward. I'm familiar with multimeter use as well.
I dont know if this helps but I have of few of these at my company and when I had the repair people out they said it was a bad prism. If anyone can repair these and whats to buy them cheap let me know. Midwestmusicmoguls@yahoo.com
Posted on Mar 30, 2010
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