Question about NEC MultiSync MT1050 Multimedia Projector

1 Answer

It's on, then it's off

My MT1050 turns on, displays picture, then about 2 minutes it shuts off. Status light blinks red for approx. 6 seconds and power light is steady orange. The manual only offers a 4 second and 8 second solution. Can someone tell me what might be wrong? Thanks

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  • 4 more comments 
  • dna11207 Feb 15, 2008

    The fan is running, the vents are not obstructed, and the filters are all clean. Once it goes throught the shut down and the fan turns off, it will turn right back on again. Any other thoughts?

  • dna11207 Feb 15, 2008

    Do you know if this is repairable? Also, I have searched hi and low for a repair manual for this unit and have had no luck. Thank you again.

  • dna11207 Feb 16, 2008

    Does someone know where the thermal cutout is located in this unit? Should it have gone bad in only 748hrs of use?

  • dna11207 Feb 16, 2008

    I bypassed the thermal cutout and it is still doing the same thing. Does anyone have any other ideas? Thank you again.

  • dna11207 Feb 16, 2008

    We have a 'new' symptom the projector will stay on and running with no problems if it is sitting on it's back.

  • dna11207 Feb 17, 2008

    Well, I am going to assume that you are right that there was or is something loose that the pressure of having it on its back or upside down (which we hadn't tried till late last night) is reconnecting or what have you.... needless to say it is working just fine now thankfully, it was becoming a little aggravating to say the least.... thank you so much for your input we do appreciate it, now if we could just get a remote for it that don't cost $200 we would be good to go.

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  • 2,072 Answers

Is the fan running properly or are any vents blocked?
Sounds like it is overheating.

Posted on Feb 15, 2008

  • Rick Kasper Feb 15, 2008

    Might just be that the thermal cutout is going bad inside the unit. Shutting off at to low a temperature.

    Sounds like the most likely cause. They do change properities as they get older.

  • Rick Kasper Feb 16, 2008

    That last line you put there has me totally baffled.
    I honestly have been thinking about it all day and running fine
    sitting on its back.
    Other then disconnecting and reconnecting plugs and connectors, and possibly turning it on it's back is reconnecting a broken or cold solder connection, I honestly don't know.
    Actually, when I got that message on my blackberry I had to laugh.
    A bad connection, where laying it on its back puts enough pressure on is the only thing that makes any sense now.
    You sure are persistent I have to admit.
    Wish I could give you a better answer.

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