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

2 Answers

Optoma EP719 lamp does not come on

Projector is in standby mode (green light blinking). Push power on the unit or on the remote, the green light stops blinking and stays on for about 3 seconds then goes back to standby blinking. No fan noise, no lamp light, no other noise of any kind. Also, none of the other led's light. Lamp looks to be good. Any help is appreciated. Thanks.

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  • jmolina Jul 25, 2008

    Sent in the same description to Optoma tech support. They mentioned it could be the ballast or lamp driver. I took the unit apart yesterday and found a bulging capacitor on the power board. Will replace and see if that helps.

  • jmolina Aug 05, 2008

    Solution!



    That was it! Bad 10v, 3200uF capacitor on the power board. Replaced it and the projector is alive and well again!

  • brad467 Aug 22, 2008

    same problem. solid green with fan then blinking green with no fan. no light at all.



    I am not as technical as you. Would you provide a few instructions/suggestions?

×

2 Answers

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.

Posted on Sep 09, 2008

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I have the same problem. The 10V 3200uf capacitor is bulged. Can't find one on the web. Where did you get yours?

Posted on Apr 18, 2010

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2 Answers

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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I my projector is new one used for 4 hrs, when i try to turn it on it just has a blinking green light. Please help Solve It! .


The blinking green light means the unit is either Powering On (Warming Up) or Powering Off (Cooling Down).

Powering On the Projector
1. Remove the lens cap.
2. Securely connect the power cord and signal cable. When connected, the ON/STANDBY LED will turn Amber.
3. Turn on the lamp by pressing " " button either on the top of the projector or on the remote. The ON/STANDBY LED will now turn Green. The startup screen will display in approximately 10 seconds. The first time you use the projector, you can select your preferred language from quick menu after the startup screen displays.
4. Turn on and connect the source that you want to display on the screen (computer, notebook, video player, etc). The projector will detect the source automatically. If not, push menu button and go to "SETUP". Make sure that the "Source Lock" has been set to "Off". If you connect multiple sources at the same time, press the "SOURCE" button on the control panel or direct source keys on the remote control to switch between inputs.

If you are still unable to get the unit to turn on, try unplugging it for 10 minutes and plugging it back in. If it still ceases to work, contact Optoma here: http://www.optomausa.com/rma_policy.asp
Their Technical Support line is 1-888-887-5001

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hi,
Do one one thing. check the lamp of your projector. For removing the lamp see the bellow picture.
also check the lamp colling fan. If it is faulty this fault can occur.

ajin_g_34.gif

1. Use a screwdriver to remove the screw from the cover.(1)
2.Push up and remove the cover.(2)
3. Remove the 2 screws from the lamp module.(3)
4.Pull out the lamp module. (4)
ok

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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.

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