Question about Optoma EP719 XGA DLP PROJECTOR 2000L 2500:1 CONT DVI-D WITH HDCP Multimedia Projector

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Optoma projector We are having problems with our projector. The screen (or light bulb) flickers. We have had it just a little over a year and first the colors got funky so we replaced the bulb. Now when we try to watch it(we use ours as a television), the screen flickers. Not quite sure what all to try. We have tried the resync button and that does not fix it. Any suggestions would be great!! i just replaced the bulb in my optoma ep719, thinking that that was the problem since i've used it for movies and gaming for aprox. 1700 hrs. .......and it does the same thing after about 10 min. or so the picture flickers a bit with a reddish hue and then the colors bleed together in a weird way almost cartoonish looking. I havnt took the whole thing apart yet but am capable, i am a tv repair tech. and work on lcd t.v.'s ....just looking for a jump on the problem so i can get it back up and running propper again......thanks

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Posted on Jan 02, 2017

SOURCE: optoma projector

u need to open the 4 screws on the sides
then there is one screw in the center at the bottom
the u also need to unscrew the nut screws on the vga connector.once done
press the top of the panel near the keypad & the front cover will come off
similar is the procedure for the back cover.
when you try to lift the top cover make sure not be hasty, open slowly s there is a film connector for the keypad that is connected to the main board,take care not to damge it
once you have acess to the main board
loosen 2 screws on the mainboard & then press the outer side of the main board.there is a 100 pin connector that connects the main board to the dlp engine.this is the cause of the problem that you mentioned.this should fix your prob

Posted on Feb 09, 2009

  • 5 Answers

SOURCE: optoma ep719

There is a stuffed 10v 3300uf capacitor on the power board. You need to replace it.
Bellow you can check in the picture where the capacitor is located.
0f5b76c.jpg
Notice that in this picture I have already took the bad capacitor out and replaced with two small cords to reach the bottom and test the new capacitor.
To reach this place is not fast, several layers of plastic and metal must be removed, but is not a hard task to take the capacitor out and replace it for another.
It works just great! Now it is back on track with awesome image.

Posted on Oct 03, 2009

  • 1 Answer

SOURCE: my projector optoma ep719 has a blue screen went

removed hdmi cable from xbox360 put in a scart with the hd cables attached and the svideo als on attached £ 15 FROM MAPLAN . i used the scart in abox then put the red & white &yellow an then the svideo into my optoma moviemaker.success . its al has to do with the hdmi cable ( you then set your projector to svideo or composite) note the one from maplan has a switch at the scart end you may have to switch it over to get the picture on hope you get success paul

Posted on Dec 05, 2010

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1 Answer

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Check the bulb is seated correctly.
If this does not help you may have to contact your bulb supplier to see if they can swap bulb for you.



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Please dont forget to vote this answer was helpful

Many thanks

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1 Answer

Optoma projector


u need to open the 4 screws on the sides
then there is one screw in the center at the bottom
the u also need to unscrew the nut screws on the vga connector.once done
press the top of the panel near the keypad & the front cover will come off
similar is the procedure for the back cover.
when you try to lift the top cover make sure not be hasty, open slowly s there is a film connector for the keypad that is connected to the main board,take care not to damge it
once you have acess to the main board
loosen 2 screws on the mainboard & then press the outer side of the main board.there is a 100 pin connector that connects the main board to the dlp engine.this is the cause of the problem that you mentioned.this should fix your prob

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Luckily, I have a very extended warranty and was fortunate enough to send it in and have the dust removed & color wheel repaired/replaced. Now, I've lowered the stand for the projector to not have it tilting at such a high angle and haven't had any problems yet...but it does take awhile to get effected (had mine for about 1 & 1/2 years)

I know I should have probably just sent it for repairs in the first place...but who wants to miss out on having a projector for two weeks when a tutorial says I could've fixed it in like 20 miutes?!?! Oh well. Hope this helps someone...good luck;)

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