Question about Acer X1130P 3D Ready DLP Projector Projector Lamp

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I plugged in the acer dlp and it came out a white vertical lines in the display,is it at the bulb? or is it in the settings?

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  • 159 Answers

This sounds like the DMD board on the light engine not working properly. It's not something that can be fixed in the settings, but it is a hardware failure. light engines are usually very costly to repair. if the projector is still under warranty have it serviced by Acer.

Posted on May 27, 2011

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1 Answer

There is a white vertical lines appearing every time we open Acer X1130P DLP Projector


means the DMD chip is broken,you need a new DMD chip.I supply the DMD chip and the price is USD120

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Does anyone know the part number for DMD chip in Acer X1260 projector?


Hello i got issue with white and black dots on ACER X1260.
The orignal parts was a 1079-6319W...
I tryed to put on a 1079-6329W supposed to be compatible.
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I tryed to clean up with KF special contact F2, chip pins, socket, cards connectors, but nothing worked, still vertical white lines with 1079-6329W chip ( instead of 1079-6319W).

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White vertical lines after changing dlp chip and lamp on Mitsubishi WD-65833. good picture in background.


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1 Answer

Vertical white lines appear on the screen. Samsung provides the following information but doesn't say what circuitry they are referring to. Samsung says: DLP TV: I Have Vertical White Lines...


That answer I agree makes no sense.

Most of these sets have NO vertical hold and if did it will not cause the lines.

A brief educated guess:

Set has a main board that communicates and controls the screen--tests for that are not simple (checking waveforms with a scope and signal generator).

The model indicated here is a DLP that uses a lamp (let me know if model listed is not the one you have).

In DLP sets aside from main/digital board you also have a optical light engine---it processes all signal in and out to the screen.

Optical engines do fail and cause some simple and some complicated picture issues.

Some will even cause the set to "lock up" with a picture or strange looking screen---clue to this is you have to shut the set off by pulling the power cord.

The set may be old enough they do not really want to help you or even talk about it.

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1 Answer

What causes white vertical lines on dlp projector?


Possible fault on the mother board as there are noise on the LCD display. You might need help to sort this out if the fault does not clear even after the lamp works for some times.

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How can i repair a optoma 706 lcd displaying white and black vertical lines?


FAULT: If lines are flickering with black and white and there is no data in line its mean the DLP unit is faulty.
SOLUTION: the only solution is this that you replace the DLP unit the DLP unit is electroniccomponent and not a repairable (as show in picture) good_help_19.jpg

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1 Answer

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clock and phase are off. go into menu and reset the settings to factory default.

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Vertical line white, regular, blinking.


I don't think it's the bulb. Sounds like an LCD panel issue. Maybe one or more of the 3 LCD panels is either not working right or the unit has been dropped/jarred and the panels have moved (All three have to line up right optically to give the right colours). You need to take the projector to a qualified service centre.
I hope that solves your Problem, If so kindly accept it.
Thank You, Arjun.

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Problem with the White vertical lines on Samsung 50 in DLP


Get DMD board part # and shop for best price.......
I will do the same......let me know.....T.

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