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

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Optoma ep719 will not power up

I have tried to power up my ep719 projector, but none of the lights come on and the lamp does not come on. The unit is definitely getting power as I can feel it getting warm underneath. I disconnected it from my home theater system and connected it directly to my laptop and still get nothing.

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  • 5 Answers

Try this:
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.
optoma ep719 will not power up - 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

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Lamp comes on briefly and then goes out


Check poewer connection
Check if fan filder is dirty ( if it is just hoover it out)
If "lamp" light on top of the projector blinks or stays lit - lamp probably faulty
How old is the Projector/lamp (average lamp life is around 2000-3000 hours)

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Ok, so forgive me, I'm going by memory. Take the top cover off (4 screws on the side). Take the top silver shield off, look at the screws and only take off the ones you need. It's ok if you take more off, but its just more screws to track. You will need to take off the back outer cover. You will need to unscrew the hexagonal screws that the vga-out port uses to screw the connector to, as these are holding the back plate on. Once you get in, the board you need to look at is on the bottom back. Look for a capacitor that has a rounded top, not flat like the others. You will need to replace this with the same voltage and capacitance. Try an electronics site on the internet to get the right replacement if you cannot find it locally. Sorry for the poor instructions, but its just been too long. As a practice, take pictures as you go (during removal of parts) and you can use them to reinstall. Hope this helps as mine is still working.

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1 Answer

Optoma DLP EP719


Try this: 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.

Jun 26, 2008 | Optoma EP719 XGA DLP PROJECTOR 2000L...

1 Answer

EP719 Projector is "Buzzing"


Could be something touching the color wheel

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