Question about Optoma HD70 DLP Projector

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How do Ichange the lamp on my hd70. - Optoma HD70 DLP Projector

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Look in page 40 of your projector's User's Manual.
If you don't have the manual, you can download it from OPTOMA support pages: OPTOMA HD70 USER'S MANUAL

Posted on Oct 11, 2010

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Posted on Jan 02, 2017

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SOURCE: optoma hd70 blowing lamps

Hi, My name is Doug Stanko.
I had the same issue and fixed the problem.
All you have to do is take a few screws out..... and blow out the inside VERY well with pressurized air. I have a compressor... and I set the regulator to 50 psi. But the KEY IS TO have the covers off so you can get between the circuit cards and blow them out. They were incredibly dusty. Even after I blew through the side vents.
I agree with all of you that say it is overheating. You are right. There was so much dust on the fan blades them selves... I'm suprised they were still spinning at all.

((And I would not be suprised if your fan is no longer spinning at all. Try this fix... but if you do not hear the fan blowing air through your unit after you have cleaned it out... get a new fan... very cheap part... and you will know how to take it apart after you read the rest. Good Luck.))

And like most of you... first I bought the $300 dollar bulb... put it in and 10 minutes later it was doing the same thing flashing through the colors. So trust me.
There are 4 screws on the back. Take these out.
There are 2 small nuts on the back around the VGA input. Take these out.
There are about 5 screws on the underside (think one was on the bulb changeout portion). These have long copper colored bars that go all the way from top to bottom.
All these have to be removed. Then you can take it apart. AND I PROMISE YOU WILL SEE TONS OF DUST ALL OVER.
Make sure you blow out the parts between the circiut boards AND the fan unit.
Put it back together... and remember to make sure that little latch on the bulb change cover makes the click sound ( it is a switch that must close or the unit will not power back up )..... and it will work great again.
No need for a huge fan next to it. Although I will admit that is an excellent idea.
I did this 3 weeks ago and have been watching it with no issues.
If you do not feel comfortable taking the screws out yourself..... I would take it to your local TV repair store and just ask them to take the covers off and blow out all the dust... and give it back to you. No troubleshooting... no repairs... no replacements... just blow it out.
I was an electronic technician in the US Navy for 10 years... Now I work at a nuclear power plant in Illinois. BUT I PROMISE with a good phillips head screw driver and a small crescent wrench you can do this yourself.
Good luck and you are welcome. I know how frustrating this issue is. But this is the fix.
Doug

Posted on May 13, 2009

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1 Answer

What's your problem?My hd70 stopped working: when i go to turn it on you can hear the fan spin up but where as in the past there is a brief delay and then the bulb lights up, there is now a long pause


It will be worthwhile to test the lamp on another unit or at a test center to confirm as the fault seems to represent a faulty lamp. If this is confirmed then the we can proceed to access the voltage on the lamp , if so the trip is due to low delivery from the power supply section and so it trips on loading of the lamp.

Dec 12, 2011 | Optoma HD70 DLP Projector

1 Answer

I have a Optoma projector HD70 How do you reset the lamp operating time?


hi,
Do the following for reset the lamp hour.
1. Press the menu button
2. Select Options.
3. Select lamp settings
4. Select lamp reset.
5 Select Yes
ok

Jul 08, 2011 | Optoma HD70 DLP Projector

1 Answer

Used my OPTOMA HD70 ABOUT 2years now -and had to replace the lamp i unplugged it and when turning it back on to work - it does not start , it`s dead the green led lamp does not flicker , does not work...


There is a switch on the side where you insert the lamp, it's black with a metal contact. If, when the lamp cover is replaced, it does not "activate" this switch for some reason (i.e. it is loose or perhaps bent) then the projector will not power at all.

Just remove the lamp and take a look at the switch for possible damage incurred from when you replaced the lamp.

Sep 29, 2010 | Optoma HD70 DLP Projector

1 Answer

HD70 DLP Projector: after replacing bulb warning message of "replaceme...


You need to reset the light counter. Access through right most menu item. Then arrow down to lamp settings.

May 17, 2010 | Optoma HD70 DLP Projector

1 Answer

Optoma HD 70 turns on with lamp and temo soiled lights


Asher fadida and alll,

The issue:
solid red error light?
HD70 "die's" after few min with strage noise?
flickers different colors before complete self shutdown?

well try this....

Before replacing your bulb, fan or any other component try first cleaning your optoma realy good!! HD70 doesnt comes with any kind of filter so you can imagine the amound of dust can be.
The most importent thing is to blow away any dust from your color wheel + the sensor attached to it .

for farther troubleshoting clean your fan's.
there are 2 fan's insinde the HD70.

probably the most problems will be solved by cleening the color wheel!!
if the problem is not solved ,chack the lemp and the fans if they work properlly.

For fan replacing:
Fan Part number: GM1207PKVX-A


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Good luck!!

Feb 23, 2010 | Optoma HD70 DLP Projector

1 Answer

How do you install a new bulb in the Optoma HD70 projector. Got a new bulb but no instructions


unscrew the screw on the lamp door, unscrew the lamp screws, pull the lamp out, replace with new lamp (making sure it's securely plugged in), screw it in, replace the door, plug the projector in, turn it on, enjoy!

Nov 07, 2009 | Optoma HD70 DLP Projector

1 Answer

Hi, I have an Optoma Hd70 and it keeps turning off after about a 1 min and the temperature indication is blinking red. Is there an airfilter I can clean or something?


Sounds like there is a overheat sensor failed in this unit in the lamp balast sure a cloaged filter could heat the unit as well so yeah check that..

Oct 03, 2009 | Optoma HD70 DLP Projector

1 Answer

OPTOMA HD 70


You didn't include much information other than the lamp not coming on. Here are a few things to try, if you haven't already. Unplug the projector and allow it to sit for a minute or two. Try removing/re-installing the lamp assembly. Sometimes especially after a lamp change the bulb/contacts are not properly seated. Ensure the screws are securely fastened to keep the bulb seated. Are there any lights, i.e. power, bulb or fan errors lit? I've had my HD70 since 2006 and use it everyday for my main television. PS3, DVDs and Cable all run through it. I average one bulb per year and about 3100 hrs on each bulb. My last bulb actually lasted 3600. I have tried all the above and each has worked at some point. Hopefully you can have some success.

Jul 04, 2009 | Optoma HD70 DLP Projector

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