Question about NEC LT 260K Multimedia Projector

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Nec lt260 projector works fine for hour and then the colors change it loses its blueness and goes a hint of purple tried component and vga.Lamp still has 500 hrs left.The pictures starts to go jerky as well.

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Clean optocoupler under pcb 4554B on color disc wheel.
Dusty on this part make not good sincronice with dlp panel.Good luck.

Posted on Oct 02, 2008

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How do I reset my nec projector model vt700 lamp time without remote


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Replacing The Lamp - Nec VT700 User Manual [Page 58]

www.manualslib.com > ... > Projector > VT700 > User manual

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I replaced the lamp on my NEC LT280, but am unable to reset the lamp so that the projector works again.


Whe the lamp exceeds 2100 hours (up to 3100 hours in ECO mode) of service, the projector cannot turn onand the menu is not displayed. If this happens, press the HELP button on the remote for 10 seconds to reset the lamp clock back to zero. When the lamp clock is reset to zero, the LAMP indicator goes out.

Here is the URL for the User Manual:
http://www.necdisplay.com/documents/UserManuals/LT380_user_manual.pdf

Dec 14, 2014 | NEC LT280 LCD Projector

1 Answer

Nec mt-1065 lamp hours reset


Hello, unfortunately the NEC MT1060 - MT1070 series projectors have EEPROM chips built into the lamp housing which counts the hours that the lamp has been used for so the only way to reset the hours is to change the lamp for a new one, i have not yet found a way to reset the chips even by reprogramming them, i'm afraid the only solution is to replace the lamp with an official NEC unit, but this was obviously their intention.

Oct 25, 2010 | NEC MultiSync MT1065 Multimedia Projector

2 Answers

Suddenly stops showing the picture


The cause is a sudden overheat but when restarted its fine then it goes again this intermittant issue is with the lamp beleave that or not i found replacing the lamp solved the issue perm.


Thanks and please leave postive feedback..

Nov 17, 2009 | NEC NP60 Projector

1 Answer

Sometimes the NP50 lamp will come on, sometimes it won't. Sometimes it seems like the color out-put isn't sharp or correct, like a faded picture. It's like something is wrong with the color. So it seems...


projectors really don't like hot and humid. they love cool and dry. if the colorwheel is failing, the lamp wouldn't come on. humidity+dust+intense lamp heat=coated components. such as the colorwheel glass, which is clear and coloered. fried dust will cause dimness. you'd have to send it in to nec.

Aug 20, 2009 | NEC NP50 Projector

1 Answer

NEC LT260's shutting down


I think I have solved this issue with my LT260K. I too had shut downs after 5 minutes of operation. It roughly followed a replacement of the bulb. I repaired stereos in the 70's and 80's, so I was not going to let the projector get the best of me without a tear down. I cleaned the fan blades, checked their operation. I checked the continuity of the thermostat on top of the bulb bracket, but found no apparent failures. I did find a possible loose connector in the middle of the projector as it seemed loose as I was disassembling the unit (see 1st picture). 7c58d4f.jpgThen I checked for cracked or burned areas on the PCB's. During this I scanned as much of the solder joints as I could. In the 'old' days, the power supply area could get hot and make cold solder joints. I found what appeared to be heat damaged solder joints on the auxiliary power board (Lamp power). This is the one that is back right of the projector opposite the power switch. It is a vertical board that solders into the horizontal bulb power board. I resoldered these and I am up and running. USE CAUTION, I would leave this to a trained professional to repair. This requires major disassembly.18d84c8.jpg
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1 Answer

How to reset Time clock on NEC MT830+ Projector


change the lamp even if the old lamp

use original nec remote contro

l6. After you install a new lamp, select the lamp Usage icon and press and hold
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1 Answer

Security code for nec lt 260


The procedure is the same for LT220, LT240 and LT260.

Here is the user manual

LT260/LT240/LT220 User’s Manual

Sep 09, 2008 | NEC LT 260K Multimedia Projector

1 Answer

Color problem after warm up.


The probelm is caused by either a bad color wheel sensor, color wheel or formatter board. I have the new redesigned sensor assembly and color wheels that I can sell. It is best if you send me the projector for proper diagnosis.

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2 Answers

Optoma EP 732H Blue/purple tinge


Hi jmm521

Try using a different VGA cable as connection - WILL solve your problem !

Thanks for using Fixya !

Apr 29, 2008 | Optoma EP732H EZPRO DIGITAL PROJECTOR...

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