Question about InFocus LP120 / 1000 Lumens / XGA / DLP Projector Refurbished Multimedia Projector

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Infocus X2 projector, white vertical strip on right quadrant.

The strip either appears as a quick pulsating/strobing bar or an incredibly solid/smooth white bar. Both times it is in the same spot (right quadrant, about 70-80% of the way from the left side of the screen...)

I've found that either pressing on the top of the projectors lamp assy, or by placing something between the metal lamp assy, and the plastic projector housing (on the right side of the projector, nearest the lamp assy) can make the line go away, or at least go away for a while. I can't insert anything as a wedge between the lamp and the casing, however, with the case put together.. and a halfway-apart projector is an ugly sight....

What can I inspect to determine the problem?

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On the X2, the dmd chip is attached to the main board on the bottom of the machine. you need to take the top case off, as well as the 2 power supply boards. push the dmd chip (behind the lens assembly) back onto the board.

Posted on Jul 16, 2009

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I have a Dell 2400MP projector that had the same problem of vertical white lines appearing over the screen.

This may seem like a simple solution, and I don't know if this will work for you, but the way I solved the problem was simply to press the bottom side of the projector, until the white lines disappear . Until now, the problem has yet to resurface.

Here's some simple steps:
1. Turn on projector
2. Connect projector to computer
3. Focus projector
4. If white vertical line appears, firmly press underside body of projector
5. See if vertical white line disappears
6. If not, try slowly pressing other parts of the body of the projector and see if white lines disappear.
7. If solution doesn't work, you may need to send it to the service center.

Hope this solution works for you.

Best Regards,
Ghazali Ridzwan
http://www.ghazaliridzwan.com

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