Question about Optoma H30 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!!

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  • Tennelle Crody
    Tennelle Crody Jul 03, 2007

    Thanks!!! Your a lifesaver!! You fixed our problem!!

  • matrix1017 Nov 29, 2007

    MY PROJECTOR KEEPS FLICKING ON AND OFF

  • Anonymous Dec 02, 2007

    white stripe in the middle of the screen flikkers

  • crusher155 Feb 12, 2008

    i have an ezpro610h and the no signal and optoma sign flashes.(and it didn't when i first bought it.it was on with out flashing)when i turned it on...i can plug my laptop on vga inputs and it works great.. but it will not pick up a S.video feed or a rca the yellow jack feed..i tried factory default settings...and sometimes it will pick them up after running for an hour but not lately..

  • jshocker Mar 04, 2008

    picture flickers on my dell 3100 mp,what can i do to fix it

  • Anonymous Jun 07, 2008

    my projection is always searching and searching and nothing appears o the screen. by Steve Ameh

  • Nats69 Jun 09, 2008

    I turned on my Mitsubishi HC5000 projector one day and it was displaying green, inteads of the usual blue. I thought it would go away but when i watch movies on it, everything is green. What should I do?

  • mmuldoon Jul 30, 2008

    Our Infocus LP350 light flickers. We tried the resync button but that did not work

  • prelives Aug 31, 2008

    We have an Epson PowerLite 54c that starts to flicker after it has been on for an hour. The screen will flicker with or without a computer image. Tried to synch but that did not solve anything. Is it the lamp or some other problem?

  • krajeeva Oct 25, 2008

    Hi, I have the same problem with my Optoma HD70 projector. After running it for around 30 mins, the screen starts to show flickers of green. It gets progressively bad and in the next 2 mins, it will completly turns green and the lamp LED starts to glow. Any help to fix the problem will be highly appritated.

  • kevinbaglow Feb 07, 2009

    Wiggling the wire from the computers screen output makes the colours do funky. so I bought new connecting computer leads and they are worse- i get very bad quality pic from a DVD. The boulbs only done 700 hours- so dont think its the problem.

  • Anonymous Feb 13, 2009

    I have or should I say had the same problem with my hd70. I noticed flickering after just 4-5 months use just watching television and the odd movie. Tried the very first solution. Couldn't figure out how to get the back off so tried jetting it out with my air compressor and eureka it worked not even a flicker of a flicker thanks. Kevin from Birmingham.

  • beeble80 May 14, 2009

    I have a Sharp XR-11XC with the same intermittent flicker problem.

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DONT THROW AWAY YOUR BULB JUST YET!!! IT MAY BE THE COLOR WHEEL!

I have an optoma hd70 and was having the same problems. I also tried the "dust blob" tutorial, but unfortunately it did not work for me (and I ended up getting dust on the lens I couldn't get off myself). I started searching on the net for more answers and found some information regarding the angling of the projector. Apparently, if you tilt the projector with the back raised too high, the ventilation system does not work properly and this increased amount of heat damages the color wheel inside (this causes the wheel not to spin correctly and display a flickering effect...and that's also why it works for a few minutes on start-up but then gets too hot and the wheel skips and creates the flicker).

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;)

Posted on Sep 12, 2009

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Thank you oh thank you oh THANK YOU!!!!!!!! I have an Optoma EP759 PRO that is used stricktly for home theater. It is about 2 years old. I have been having flickering problems for several months now and have replaced the bulb 2x in 3 months. The 1st bulb was a genuine Optoma bulb and the 2nd was a Phillips. The flickering still continued and got progressively worse till finally the set wouldn't come on at all and if it did it would shut down after 5 mins. I was looking for a repair center on line when I came across this site. I couldn't believe that the problem could be dust as I regularly vacuum the vents. I decided to disassemble and blow out the projector with compressed air befor sending out the unit and low and behold, it works perfectly now. No more green start up screen, color is fantastic and NO MORE FLICKERING. You would not believe the amount of dust built up inside and on the 3 fan motors. It is like new once more and I have an extra bulb. Ican't believe it. Thanks again!!!!!

Posted on Mar 24, 2009

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Ladies and Gentleman...its the frigging dust!!!!!! i sent my hd70 back they fixed it with no explanation or maintenance but ah-ha...it has to be the dust!!!!! At last one of the worlds oldest elements has proven to be a most formidable foe to halogen technology.

Posted on Feb 14, 2009

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You might want to check this out: http://www.dellcommunity.com/supportforums/board/message?board.id=proj_2200MP&message.id=2136 i had almost identical problems with an optoma h27, took the rear panel off, removed what dust i could get to and this seems to have cleared the problem

Posted on Jun 25, 2007

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I have a Optoma HD20 and when I turn it on the screen is green and the image is blurry and flickers.....but if I leave it on after 30 seconds a squeaking noise stops and the picture goes back to normal. Is this the color wheel, or dust?

Posted on May 03, 2013

  • Scott Duncan
    Scott Duncan Oct 14, 2013

    I also have an HD20 and similar problems. I blew the dust out with an air compressor and reset the unit. That did not fix the problem. Taking advice about overheating I changed the fan setting to "high altitude" which makes the fan run faster and louder, but it has made the picture acceptable, but not as good as when it was new. Also, I only have about 600 hours of viewing time on mine over about 3 years.

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My projector turns off after running for a few minutes.

Posted on Jan 12, 2011

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I realize this is an old thread however I had the exact same issue with dust blobs on my HD70 and was unable to locate instructions or a tutorial on how to remove them. After reading forums on tons of people having the same issue, I figured I would try and fix the problem and create a tutorial for everyone. Please check out my blog at http://tantht.blogspot.com/ for instructions on how to remove dust blobs from a HD70 as this process worked perfect for me and I no longer have these annoying spots when watching movies!!

Posted on Feb 23, 2009

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My hd70 started flickering around the 1800 hr mark and i always ran it in eco mode, thought i would have gotten at least 2500 hrs. anyway, replaced bulb and after a few days started flickering again after an hr or so being on. thought bulb was faulty so bought another bulb and flickered almost immediately after i turned it on. to bulb out and used my shop vac and a can of air to clean out all vents.  after a year (bought it new) you'd be surprised how much dirt it collects. anyway, cleaned thoroughly, replaced bulb and remounted.  haven't had the problem since, at least for about 3 months now.  keeping my fingers crossed.  hope this helps.

Posted on Nov 29, 2008

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We have a optima hd65 projector that has been fine . now it starts the same ,sound ,picture etc. but then after 30 seconds the bulb turns off. hundreds of hours left on bulb. no warning lights.after i shut it off fan comes on as usual.

Posted on Oct 02, 2008

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I have an optoma hd72 did the same thing. I pulled the bulb out and used a can of air/dust to clean it out, spraying it in all the vents as well. it fixed my problem also, and there wasn't much dust in it.

Posted on Aug 17, 2008

I hav bought sharp protector since 2 yrs n we use it for average 3 to 4 hrs in a day we hav already replaced the blub once as the person who sold it said that blub life is only 1800 hours n the blub has gone off again n the blub is costing Rs 18000 which very expensive iam regretting buying fr yr company as a friend of mine is using panasonic protecjor since 6yrs n use is for 8 hours a day n the bulb life is still on. please help me what am I suppose to do.

thankyou maya fr india.

Posted on Jun 08, 2008

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Crazy, but its true!
I just bought a used Optima EP 758 an to my dismay a horizontal white lightning bolt flickered across my screen about every 15 second...after hours of setting it up! I found this blog and pulled the unit off the ceiling shaking my head in disbelief. After carefully unscrewing and pulling the case apart...sure enough, DUST! not a lot, but plenty on the fan wheel and on the inside of the case. I was too nervous to use my compressor (Especially at 90psi, enough to drive my framing gun) to blow it out, so I just used canned air and gently wipe EVERYTHING with a clean white (Easy to see what you picked up) undershirt (Thinner cotton). Put everything back together an WALLAH! FIXED!!! ...Crazy, just crazy!
Thank you for the fix blog 

Posted on Apr 06, 2008

Yep, it also worked for me, on my Optoma EP716.
OptomaUSA wanted me to ship it to them to get it fixed, (I'm in France)....
and since it was not under warranty anymore, I decide to take it apart and clean it.(dust it off)
Which totally solved the problem!

Thanks so much for the tip, it was very much appreciated!

Posted on Mar 20, 2008

The Solution above works. My Acer PD525 would work great for about five minutes then start flickering, Changing to drap colors, and turn off. I replaced the bulb and still had the same problem. Thanks to this thread, I opened the box and dusted. It has been working great for 48 hrs and still kicking. Who would have thought dust would cause it to do that. Thanks so much. I was about to buy a new one because Acer Tech support is non existant unless you want to pay $2.50 a minute. Even if i had gotten a hold of them they would have had me send it in for repairs. This thread has saved me at least $1,000. Thanks again!!!

Posted on Jan 02, 2008

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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

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