Question about NEC LT 260K Multimedia Projector

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Projector bulb drive circuit failure.

My NEC LT260K does not light up the lamp everytime it is switched on.
When it eventually does, it goes off within minutes, (the lamp drive panel heat-sink gets very hot) after that it takes for ever to get it to light up again. Sometimes the next day!
The green light comes up all the time as is normal.
The picture is ever so bright and clear when the lamp comes on..
What can I do? I am an electronics repair-man with a lot of experience, how can I get the schematics?
Anji, Nigeria

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6 Suggested Answers

  • 1 Answer

SOURCE: NEC VT47 lamp won't light

I have 3 of these and all failed within weeks of each other with the same problem. The status light blinks 6 times telling me the lamp failed to ignite.

I fixed all 3 by opening them and shuffling motherboards around. I didnt order any new parts, call tech support or anything fancy. Just swapped boards.

Maybe they will keep working, maybe they wont. It might be worth a shot if you've run out of warranty though. It's not going to get any busted-er.

Posted on Nov 28, 2007

  • 259 Answers

SOURCE: NEC VT47 Lamp type VT70LP will not power up 2 red lights spear Lamp not working

When the lamp exceeds 2100hoursof service, the projector cannot turn on and the manu is not displayed. Do the following:
For VT670/VT470 Press the help button on the remote control for a minimum of ten seconds.
For VT570/VT47 Press and hold the power and the exit buttons on the remote control simultaneously for a minimum of ten seconds. When the lamp time clock is reset to zero, the lamp indicator goes out. Hope this helps! :]

Posted on Feb 27, 2008

  • 259 Answers

SOURCE: Blinking status light

6 cycle (0.5 sec On,
0.5 sec Off) is a lamp error!
0.5 sec Off)
Lamp fails to light. Wait a full
minute and then turn on again.
Even though the lamp is not old there may be a defect in the lamp. I know the lamps are expensive but this may be the problem. If you have a lamp that was removed due to age but still worked you could use the lamp to test is a link to the user manual:

Hope this helps. :}

Posted on Apr 02, 2008

  • 4234 Answers

SOURCE: 250V T6.3AH Slow Blo Fuse

Depending upon the way in which the lamp finally smoked, it is not unusual for the feeder fuse to blow. Replace the fuse and try the projector. As long as you haev a new lamp, it should work OK.


Posted on Sep 11, 2008

  • 1 Answer

SOURCE: lamp won't light / status indicator blinking red

Replace the bulb.

Posted on Jun 10, 2009

  • 88 Answers

SOURCE: replaced the bulb in my

You'll need the remote control of the projector. On the remote, press the HELP button and hold down for 10 seconds.

Posted on Jun 21, 2011

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250V T6.3AH Slow Blo Fuse

Depending upon the way in which the lamp finally smoked, it is not unusual for the feeder fuse to blow. Replace the fuse and try the projector. As long as you haev a new lamp, it should work OK.


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Hi there

You must always reset the lamp timer when replacing a bulb.

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