Question about NEC MultiSync MT1020 Multimedia Projector

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Vertical line the picture is good except for a semi transparent line about 3/4 inch on the right side of the screen,i know you cant adjust the lcds on this model so i traded lcd bracket from an mt820 that has screw adjustments for up down/right left.The line did'nt go away but the lcd's are aligned their another adjustment im missing to correct what seems to be overlap

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Re: vertical line

What cables are uusing for tis 15pin vga in or hdmi ?

Posted on Feb 02, 2008

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I own a panasonic pt-ae900e i have notice a thin uneven green transpairant line in the middle of the screen lamp time 1987 hrs

There is three LCD (liquid crystal display) in your projector when one LCD faulty he display a line some time flickering line one or two lines. Due to other two LCD is working well so this line is looking transparent. If BLUE LCD faulty than the line color is very light green or yellow.

Second option is this that your projector lamp life is near to end and after 2000 hours projector is very dirty inside and need service.
(service of LCDs and other parts of projector is a very technical job and I don't know you can do it or not)

Jan 16, 2011 | Panasonic PT-AE900U Multimedia Projector

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Have wide vertical gray lines on both sides of the screen.Picture quality is good that remains in the centre of the screen.

if the gray lines are equal and perfect, I would say this is the graybar resolution setting and would change the screen ration to a different setting to correct.

Aug 02, 2010 | InFocus IN72 Multimedia Projector

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Half inch crystal/ solid white vertical line on screen

Adjust the horizontal in the menu then try the overscan adjustment. If the image does not look dim you do not need a lamp.

Jun 04, 2010 | InFocus IN72 Multimedia Projector

1 Answer

Lp70+ display shows a solid black vertical line

the light tunnel is either collapsing and blocking the light going through it (and needs replacement) or the vertical/hoizontal adjustment of the tunnel. if you take the lamp out and move the colorwheel (with a pencil eraser) to the clear section, you should be able to see a square through it. if part of the square is blocking the middle, the tunnel needs replacing.

by the way, on some projectors the light tunnel is called an integrator rod.

Jun 17, 2008 | InFocus LP70+ Multimedia Projector

1 Answer

HItach cp-s860 problem

I have the same Hitachi CP-S860 and have found the problem is with the convergence on the left and right sides of the picture. The one I am working on has a bad ghosting problem also - you can really see the ghosting when the MENU is on the screen. The center convergence is OK. Following Pics show Circle / Cross pattern - 1st pic the red, green and blue are turned on - 2nd pic shows green and blue on only. I do not have the service manual for this set so I do not know the convergence procedure on this one. I have mostly been repairing NEC, Sanyo, Panasonic and Christie LCD & DLP Projectors.

Feb 29, 2008 | Hitachi CP-S860 Multimedia Projector

3 Answers

What are these lines?

This is a LCD projector, one of your LCD Panels is blown, This is a $400 repair.

Jan 22, 2008 | Hitachi CP-X980 Multimedia Projector

1 Answer

White vertical line on left side of screen

Hi there

This problem can only be fixed properly by replacing the Mainboard.

Jan 01, 2008 | BenQ PB6100 Multimedia Projector

3 Answers

NEC MT800 Projector with Vertical Lines in picture

The ghosting problem is a combination of both the lcds and driver boards in which case neither need to be truely replaced.. They use a specific voltage to transmit data to the lcds.. Each lcd is different and the driver board is programmed by the factory for the EE setting. Unfortunatly with nec, they do not offer a service mode to go in and adjust the ee settings to correct the electrical convergance. So the only way to fix the problem is to replace the lcd with a newer one who wasnt worn out from long term heat.

Sep 22, 2007 | NEC MultiSync MT830 Multimedia Projector

2 Answers

RGB not aligned so I get thin red vertical stripes displaced to right of icons

If you are handy with allen wrenches, quality screw drivers, and the like, you might 'try' opening up the can of worms and gently manipulating the red LCD panel (it will be obvious--a magenta color when off), by slightly loosening the holding screws, then moving--ever so slightly, the panel untill the ghost disappears. Do not do this though, untill you mark the present position on the top and bottom of the LCD panel. Take pictures, far and close-ups, as you go so you can reassemble the unit. The typically three LCDs can be located by finding the prism cube, located under the circuit board, and just before the output lens. Be patient, and have fun. I did this with an 'out of wack' throw away, and now it is just as enjoyable as my 'dimmer' HDTV projector. Even side by side, from 8 feet away, when both are making 72" images, the HDTV is barely clearer, Jon.

Mar 31, 2007 | Polaroid Polaview 211E Multimedia...

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