Question about NEC MultiSync MT1050 Multimedia Projector

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NEC MultiSync MT1040 projector, Color Alignment

Dear HDTV Guru,

someone recently asked you how to align the colors on
his projector, you responded:

I can assist you with that if you want. It is very tedious, but can be done. You need a cross hatch pattern generator or something with vertical and horizontal lines to lineup the LCD Panels again. Tricky little procedure if your not familiar with it. Let me know if i can assist you and hopefully save you agravation at the same time. Thanks Jay

I would greatly appreciate a detailed, step by step solution to this person's problem. (misaligned color in a NEC MultiSync MT1040, possibly requiring manual realignment of the screws)

please email me at daniel.fullwood@gmail.com

Thank You

Posted by on

4 Suggested Answers

HDTV GURU
  • 261 Answers

SOURCE: Alignment (convergence) of color panels MT1050

I can assist you with that if you want. It is very tedious, but can be done. You need a cross hatch pattern generator or something with vertical and horizontal lines to lineup the LCD Panels again. Tricky little procedure if your not familiar with it. Let me know if i can assist you and hopefully save you agravation at the same time. Thanks Jay

Posted on Jan 31, 2008

vicer
  • 32 Answers

SOURCE: NEC MT800 Projector with Vertical Lines in picture

try cleaning the filter on the bottom of the unit, might be overheating issue

Posted on Mar 16, 2008

Marrie
  • 563 Answers

SOURCE: NEC VT 460 LCD Panels & Fly Eye Lens

HI there

Firstly this ghosting image will NEVER be caused by your LCD's , so do not take them out.

Have you tried using a different cable ?

If you have and the problem still occurs , you will have to look at replacing the Mainboard.

Posted on Apr 15, 2008

sam_ajayi
  • 74 Answers

SOURCE: Need Help! Have a NEC VT660 projector that is

check the cable connetor

Posted on Nov 18, 2009

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The colour keeps going to more blue and the screen is fuzzy?


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I could not locate the manual on the Hitachi website.

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Picture is OK, but colors are off and there is a blue star background that shows on dark colors.


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When you find yourself with an electronic device and no operators manual it pays to spend the time and effort to download it from the internet.

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1 Answer

Hcn4226w samsung


Hi,

The most common problem with all 3 tube rear projectors is a damaged convergence circuit. The Samsung TVs are easier to repair than many others and the numbers that break down is not excessive. For every Samsung with a convergence problem there are a large number that did not breakdown. The fault is caused by bumps or noise in the AC power, not the TV design. This usually produces colored outlines around heads, etc.

Check out the Convergence Gallery. If you see the colored outlines or color shading as in the Gallery, you have a convergence problem.

This requires the replacement of the defective IC or ICs and any damaged or smoked resistors. Usually there is little alignment required after the repair. If you play with all the adjustments before the fix, hours may be spent re-aligning.

Don't monkey with it.

This is a delicate and difficult repair. If not done by someone with some electronic repair experience, the TV will likely end up as junk or cost considerably more for a tech to fix the damage done.

If you live in Calgary, call me. If elsewhere, find a competent tech.

easyab

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Your TV needs to be calibrated. Rear projection TVs are very sensitive to movement. They have 3 color canons that need to be precisely aligned so that the colors overlay each other. They are like three projectors all aimed at the same screen.

If you were to enter the User Menu on the TV, you should find an alignment/calibration choice that will re-align the colors using some on-screen help.

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Alignment (convergence) of color panels MT1050


I can assist you with that if you want. It is very tedious, but can be done. You need a cross hatch pattern generator or something with vertical and horizontal lines to lineup the LCD Panels again. Tricky little procedure if your not familiar with it. Let me know if i can assist you and hopefully save you agravation at the same time. Thanks Jay

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1 Answer

Colors out of alignment; curved lines


Please stop where you are! Expert technicians rarely align manually = only when CRT changed or someone tries to
correct an electronic anamoly mechanically........
Curved lines are caused by defective IC's = STK392-560....
Found mounted to heatsinks on " G " PCB.........T.

Please rate solution offered and ask for more help, if needed.

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