Question about NEC VT460 Multimedia Projector

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VT460 troubleshooting guide - NEC VT460 Multimedia Projector

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  • Anonymous Apr 03, 2009

    can u pls send me a copy of the pdf through this email letstalc@yahoo.com

    Control panel lock...how can i unlock it without a remote controll

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  • 115 Answers

I can send you the copy on pdf

Posted on Jul 15, 2008

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We want to do the service NEC VT460 at hyderabad, can i have tollfree number, dealer at Hyd,


There are no dealers in Hydbad as per the site below. Given below that is the cust Helpline number and email address.

http://www.necindia.in/m_local_dist.html

call-contact.jpg
Customer helpline number : 011 - 61101010 Our contact center timings are : 9am to 5.30pm, Mon to Fri Our support id is: support@necindia.in

Jul 13, 2011 | NEC VT460 Multimedia Projector

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My projector can't on


I assume you mean it has no power? This is fairly common with the NEC VT460,VT470,VT595. The power board/Power Supply has failed. I can usually repair or replace the power supply for $170
If you're familiar with electronics you can try checking the main power fuse by removing all the screws on the bottom of the projector & taking the cover off. The fuse is located just next to the ac plug. Test it using a continuity tester with long testing probes. If it's ok then the power board is bad & needs repair.
If it's bad replace with the same type fuse. You can bring the fuse to Radio Shack for identification or look on the power board next to the fuse holder for fuse amperage.
If you would like a repair please contact me at PRMHELP@EARTHLINK.NET
Thanks & good luck,
Jim

May 18, 2010 | NEC VT460 Multimedia Projector

3 Answers

Vt575 pROJECTOR


My VT440 says this when it gets to it's pre-defined service life. (a certain amount of hours)

As long as you pop the filters out regularly and clean them (I use a vacuum cleaner) you shouldn't need to replace them.

After that, go into the projector options (with the remote control) and reset the factory defaults... otherwise it has no idea that you have actually changed the darn thing and keeps complaining no matter what! =-]

Aug 20, 2008 | NEC VT460 Multimedia Projector

1 Answer

NEC vt460


It does in fact appear to be a thermistor and the TH1 board marking seems to confirm that.
What markings are on the component (it appears to be a power transistor of some kind) adjacent to it?

If we can find a standard part number for it and you own some kind of meter, perhaps we can either eliminate or identify it as the original culprit.

The failed thermistor is either acting as a temperature sensitive clamp to prevent lamp failure or regulates lamp intensity dependent on temperature.

Maybe an email to NEC would get you the value of it (TH1) since I suspect a schematic or parts list will be hard to acquire.

Jul 01, 2008 | NEC VT460 Multimedia Projector

1 Answer

Double display


Hi yaali

Try using a different cable.

If the problem however persists , then you will have to get the Mainboard either repaired or replaced.

May 17, 2008 | NEC VT460 Multimedia Projector

2 Answers

NEC vt460 Projector have a ghost problem on the screen


Hello

Pls Service the LCD Panels of the Projector, Also check the Fly-Eye lens, just next to Lamp unit. This will solve your problem. if it's not then the only solution is Replacement of LCD Panels, But Must check or replace the external RGB Cable first befor doing all this exercise.

Dec 16, 2007 | NEC VT460 Multimedia Projector

2 Answers

Problem on Picture


Hi,

Pls check the RGB Panels opening physically. that doesn't seems to be a PCB fault.

Viren

Nov 26, 2007 | NEC VT460 Multimedia Projector

1 Answer

Whatever button i press the status light flashes and nothing happens?


hi 1) Check that the power cable is plugged in and that the power button on the projector cabinet or the remote control is on. See pages E-16 and 17 in the manual http://www.fixya.com/user-guide/p155892,m5221,gm34/NEC-VT460-Multimedia-Projector.aspx 2) Ensure that the lamp cover or lamp housing is installed correctly. See page E-30. 3) Check to see if the projector has overheated or the lamp has reached the end of its usable life. If there is insufficient ventilation around the projector or if the room where you?re presenting is particularly warm, move the projector to a cooler location 4) You have pressed control panel key when Control Key Lock is enabled good luck

Apr 20, 2006 | NEC VT460 Multimedia Projector

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