Question about NEC Televison & Video

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NEC projector shows yellow splotches on the screen. Nothing on the lense or the bulb itself. Any Ideas

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  • Vern Horne
    Vern Horne May 23, 2008

    I will try one. The original cable is a new 50ft gold plated DVI cable just as an FYI. I will report my findings soon. Thanks.

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Try a different cable

Posted on May 22, 2008

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Picture has a yellow tint. It's from an old video game that ran over 12 hours a day. Has new bulb. Except for the yellow, works fine.


Hello there:
The best way to describe this is what is called screen burn in.
this is very common on screns that have games or pictures that arre displayed for long periods of time without being shut down just like on a computer screen when a screen saver is not used .
there is nothing wrong with the bulb.
the yellow that you are seeing is actually burned into the glass part of the projector and the lense
so if you can and feel like you can dissasemble the projector dissassemble it and locate the glass and see if you can get the yellow tint that will be on the glass and the lense off by using some rubbing alcohol and a cottomn swab
But if it wont come off you will have to replace the lense and the glass ok
Hope this is very helpful for you
Best regards Michael

Jan 18, 2010 | ViewSonic PJ501 Multimedia Projector

2 Answers

I have a NEC mt1055 and the unit just had new bulb put in here and it has the power and standby light come on and the fan doesn't turn on here and the standby light is yellow and status is red


The NEC’s work on a reducing time basis, they count the hours that they have been operational and refer to this as the life of the bulb – 1600 hours. When the 1600 hours has been reached the projector shuts itself down into standby mode never to be restarted even after changing the bulb / filters. This is because the unit needs to be reset, which needs to be done as follows (not included in any of the bulb replacement instructions):-
  • Plug Projector in so it is in standby mode – Orange light lit, Red status light lit (not flashing)
  • Using the remote control, hold down the power off button for 30-45 seconds
  • This will reset the status button, removing the red light
  • Power up the projector and select Menu
  • Select Projector Options
  • Select Set-up – a number of tabs will appear called pages
  • Arrow across the pages (MT850 is Page 5) until an option called “RESET LAMP HOURS” is shown
  • Move onto this option and press enter on the projector itself, confirm that you want to reset the counter
  • Projector is now back to life

This works for all NEC projectors, the page number may be different though where the “RESET LAMP HOURS” option resides.

Oct 07, 2009 | NEC MT850, MT1050, MT1055, MT1056...

1 Answer

Bulb working but screen yellow orange tint


Many projector bulbs will go yellow when they near the end of their life, is it an old bulb?

Aug 19, 2009 | NEC VT47 Multimedia Projector

1 Answer

Shows image but is completly yellow


I had one with the same issue. After checking and rechecking the projector, I found that there was a lose conection between the CPU and the RGB output connection. It's really touchy.

Jan 30, 2009 | NEC VT670 Multimedia Projector

1 Answer

Yellow Splotches


if the projector is an lcd projector, the heat has caused burn spots on the light filter on the blue lcd. that needs to be replaced by the manufacturer. if it's a dlp projector, there are heat marks on the optics somewhere. also needs to be looked at by the manufacturer. nec, toshiba, and smart won't sell parts, so you'll have to send it in.

Nov 26, 2008 | Smart Technologies SMART Board 580 (SB580)

1 Answer

Yellow circle


there is a light filter on the blue lcd panel that is fried due to excessive dust and heat. unfortunately, you'll have to replace the entire optical emgine.

Nov 21, 2008 | ASK Proxima DP6860 Plus Multimedia...

4 Answers

Nec projector vt 660


could be bad bulb is it setting in right is coler wheel freeley moving

Oct 06, 2008 | NEC VT47 Multimedia Projector

2 Answers

Bright yellow


hi everyone i have the some yelow problem with CANON lv s3... any ideas where can i found this blue lcd polarizer...e-mail me sugestions jonasjhony84@hotmail.com

May 12, 2008 | NEC MultiSync VT480 Multimedia Projector

1 Answer

Bright yellow


I can't imagine a setting that would cause this - It sound more like some sort of fault with the projector's blue LCD panel. (The image is created from a mix of red, green and blue light. If you loose the blue, everything will look yellow.)

Is it capable of showing any shades of blue?

Using any graphics or photo-editing software, create a solid blue image (R=0, G=0, B=255 in your colour settings) and if possible, display this full-screen. Is there any output from the projector at all when you do?

If not, it sounds like it need a professional repair.

Matt

Feb 26, 2008 | NEC VT676 Multimedia Projector

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