Question about NEC LT 260K Multimedia Projector

1 Answer

Lt260 projecto How can I unlock a lt 260 PROJECTOR?

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  • steve260 Sep 04, 2008

    needed a security code to open it and my remote control breaks down

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1 Answer

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  • NEC Master
  • 19,396 Answers

From user manual :

"In case you forget your passcode, follow the steps below to delete it.
1. Select the Advanced menu from the Basic/Custom menu. The Passcode
entry screen will be displayed.
2. Press the SELECT (up) button four times and then press the ENTER
button.
The "Warning Passcode!!" message will be displayed.
3. Press the SELECT (down) button four times and then press the ENTER
button.
The "Warning Passcode!!" message will be displayed.
4. Press the SELECT (right) button four times and then press the ENTER
button.
The "Delete Passcode / Are you sure?" message will be displayed.
Use the SELECT or button to select "Yes" and press the ENTER
button. Your passcode has been deleted."

Here is the user manual

LT260/LT240/LT220 User’s Manual

Posted on Sep 09, 2008

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1 Answer

Red light blinking in nec lt 260


how many times? that will tell you what's wrong:

1x- lamp cover (close lamp cover)
2x- temperature problem (too hot. clean out and cool down)
3x- power problem (check power)
4x- fan problem (one or more fans not running)
6x- lamp fails to light (lamp or ballast problem)

Sep 02, 2009 | NEC LT 260 Multimedia 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
3da57bb.jpg
6a430ba.jpg

Oct 30, 2008 | NEC LT 260K Multimedia Projector

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

Security code


You have to contact the manufacturer for a code to reset the password I believe.

Sep 06, 2008 | NEC LT 260K Multimedia Projector

1 Answer

Nec lt260


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

Jun 28, 2008 | NEC LT 260K Multimedia Projector

1 Answer

No color


Go to this excellent link. It solved my problem and is now part of my annual cleaning maintenance.
http://www.flickr.com/photos/todbot/sets/1749030/detail/

Feb 07, 2008 | NEC LT 260 Multimedia Projector

2 Answers

NEC LT260 PROJECTOR NOISE


To open this projector, you need to undo six screws at the underside of the case. That means you have to turn the projector upsidedown.
Pls note that one of these scews is a little hidden under the carrying handle.
After removing the screws, return the projector to it's normal 'up-side' up, standing position.
Remove the bulb cover srews and remove the bulb cover.
Lift up the top cover carefully starting from the front then all together.
The cooling fan is mounted very near the bulb assembly.
Carefully check the fan blades for any obtacles, wires or even a broken fan blade, that could be causing the noise.
Baba Anji.

Dec 18, 2007 | NEC LT 260K Multimedia Projector

2 Answers

Nec LT 240K projector


In general you have to take off the lens and take it to a specialist who repairs gun scopes or binoculars. Me my self would not disassemble a lens unless I was perpaired to replace when it feel apart after removing screws Try calling them at 1-800-338-9549 or contacting www.infocus.com as they sell lens and projectors. Good Luck

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