Question about NEC VT676 Multimedia Projector

3 Answers

NEC LT280 lamp error.

Is there anything that i can check by myself in order to solve this problem?

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  • 2 more comments 
  • guy_eve May 05, 2010

    The thing is that the lamp led indicator is not lit so i wonder if its worth to buy a new lamp now.

    Thanks,

  • guy_eve May 05, 2010

    What is the meaning for the ballast?

  • guy_eve May 05, 2010

    NEC projector LT280 - I get a "lamp error" fault. The lamp indicator is off.

  • guy_eve May 05, 2010

    NEC projrctor LT280 - i get a "lamp error" but
    the lamp indicator is off.
    can i check some things by myself about that problem?
    Thanks,

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3 Answers

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  • Master
  • 3,083 Answers

I would take the lamp out, and clean it's contacts, and also the contacts inside the projector (use alcohol and a soft cloth). It's also possible that it's slightly loose. If you have a spare lamp, try that to see if the error goes away. I'm assuming that the lamp doesn't work. In that case, you can use a voltmeter to "ohm" out the lamp filiment. You should see a .1 to maybe .6 ohm reading, I would think (some vary). If your bulb's good, and the contacts are clean, it's another issue with a circuit board, power supply, or possible mechanical problem. If you disassemble the unit, look for cracked traces on the circuit boards- this can happen, over time and even slight bumps. Hopefully, it's just a loose bulb.

Posted on May 05, 2010

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  • Master
  • 1,469 Answers

Hi,
You can use this link to check for the problems solution.


emerson.edu/media_services/upload/NEC-LT380-LT280.pdf
Take care.

Posted on May 05, 2010

  • 1 more comment 
  • Egwe Emmanuel Onyedikachi

    Hi,
    when a lamp of a projector shows error, it means that the lens is bad and it will need to be replaced.
    If you do not want to repair?,

    If you want me to give you the procedure on how to change the len i can help.

    I would advice to save you the stress of repair that can get damaged again, if you have money to purchase a new one. it will help you out. You can even get a better with guarantee.



    Take care.





  • Egwe Emmanuel Onyedikachi

    Hi to reset follow this step(hold down left " VOLUME - " button, followed by pressing
    menu button for 5 - 10 seconds).
    Take care.


  • Egwe Emmanuel Onyedikachi

    Hi,


    this is to reset lamp timer.


    There is basically two ways to reset the lamp timer :

    1. ) On the Projector's physical buttons

    Arrow Keys - Up , Down , Left , Right then Menu and Enter - this should
    be done quickly whilst the Projector is in standby mode.



    2.) Switch Projector on - Hold in the Up Arrow Key on the physical
    buttons on the Projector untill a PIP screen appears - then just follow
    the on screen steps.

    Take care.


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  • Master
  • 10,515 Answers

Hi,

This is a Common Error on these Models. How old the Lamp is?

Replace the Lamp. Most of the times, when Lamp is at fault, this would Happen.

If after replacement of Lamp, Problem persists, then we need to Inspect and Test Other Components or then, you could ring a Local Serviceman in your area.

Let me know, so that we could Proceed.

Hope i helped you.

Thanks for using ' Fixya ' and have a nice day!!

Posted on May 05, 2010

  • 1 more comment 
  • taran_2005
    taran_2005 May 05, 2010

    Thanks for your response!!

    I am still doubting this or Ballast now, as you said, Light Lamp does not Come on.I cam across the same problem with another Model VT595. In that Power Light was Green and then later on it was Orange.

    Ballasts do fail from time to time and that is the one that came with the machine. You may want to contact the company and inform them of uncommon number of ballast failures and ask for their input on a better replacement for that bulb. Matching the ballast to the load characteristics of the bulb is imperative.

    Let me know,if needed further assistance.

    Hope i helped you.

    Thanks for using ' Fixya ' and have a nice day!!




  • taran_2005
    taran_2005 May 05, 2010

    Thanks for your response!!

    For General Information, you could look at :-

    http://en.wikipedia.org/wiki/Electrical_...

    http://www.lrc.rpi.edu/programs/nlpip/li...

    Let me know,if needed further assistance.

    Hope i helped you.

    Thanks for using ' Fixya ' and have a nice day!!


  • taran_2005
    taran_2005 May 05, 2010

    Thanks for your response!!

    If you want my Assistance Any More, let me know.

    Hope i helped you.

    Thanks for using ' Fixya ' and have a nice
    day!!


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