Question about NEC MultiSync VT440 Multimedia Projector

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Green line down the side of the screen nec vt 440

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Posted on Jan 02, 2017

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Marrie
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SOURCE: NEC LT170 diplays annoying line

Hi there

This is a common Mainboard failure - you'll have to get this repaired or replaced !

Must warn you that this is quite expensive

Posted on Apr 02, 2008

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  • 157 Answers

SOURCE: NEC VT 440 Projector noise

The unit needs to be opened and have the fan checked. If it is out of warranty and you are capable you should be able to access the fan quite easily. It may be rubbing against something or it may have contaminants inside and needs to be replaced.

Posted on Aug 31, 2009

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1 Answer

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If you wish to get some details; check the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/
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1 Answer

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The unit needs to be opened and have the fan checked. If it is out of warranty and you are capable you should be able to access the fan quite easily. It may be rubbing against something or it may have contaminants inside and needs to be replaced.

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Hi there

Have you changed the lamp yet , or checked the lamp for any marks or discolouration ?

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1 Answer

Nec plasmasync 4200w 3 vertical lines one yellow two purple


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