Question about ViewSonic LiteBird PJ1075 Multimedia Projector

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Viewsonic PJ1075 projector will not power up.

When I turn on my PJ1075 projector the Power/Standby light flashes green and the temp light stays lit orange.  The lamp does not turn on at all.  All cooling fans appear to be operating.

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6 Suggested Answers

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SOURCE: viewsonic pj 800 projector


Posted on Oct 06, 2007

  • 34 Answers

SOURCE: Hitachi CP-X250 LCD Projector

If both lights are flashing orange, that means that the bulb needs to be replaced and the filter needs to be cleaned. Make sure you reset the counters for both after you replace them.

Posted on Dec 05, 2007

  • 4 Answers

SOURCE: acer pd 112 projector

Please reset lamp hours to zero and clean its air filter located to its bacside (Bottom)

Posted on Mar 17, 2008

  • 563 Answers

SOURCE: Panasonic PT L501U Projector

Right , if the indicator light goes from Green to Orange when shutting down , it will be the Powersupply that is giving problems and not the Ballast.

Posted on Apr 18, 2008

  • 125 Answers

SOURCE: lamp and temp lights come on after power up and stay on. Lamp only has 330 hours on it.

OK, that explains it. The bulb you have installed in the projector might be the original bulb that came with the projecoter when it was new. Just becuase it states 334 hours does not mean it is new. In fact, you could have a original bulb with 3000 hrs and reset the hour timer on the projector, which means your 3000 hour bulb might have 3334 hours on it because the person who owned it before you, reset the hour timer.. Best bet, buy a new bulb and reset the hour meter and see what happens. If you have the same problem, then your ballest might needs to be replace which is rare...

Posted on May 30, 2009

  • 2236 Answers

SOURCE: the projector doesn't turn on.power,temp,lamp orange light are on

overheated. clean it out with canned air. try again. if it still has an issue, you may have a main board problem.

Posted on Nov 12, 2009

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You need to replace the lamp and then go into the settings menu and reset the lamp hours counter to zero.

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seems that the lamp is defective, pls test it

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Lamp LED should be lit when the projector is in Standby. However, the problem you are describing sounds like one of two issues. Either the lamp is bad and needs replaced, or there is a power supply fault. If you have tried replacing the lamp already, make sure you reset the lamp counter or the projector may still not function properly.

does the temp warning light come on when the projector shuts off? if so you may also try cleaning the air vent filters and ensure there is proper air flow around the projector. if that checks out then have the projector serviced as the power supply is likely suspect.

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Look at the manual page 34, for the indicator messages. I suspect it's the same problem I have (which I haven't had formally diagnosed yet!), which I believe is a defective fan. My projector had been making a really loud noise on startup, which varied in length and volume. Recently the projector has taken to turning itself off after being on for about a minute, and the power light flashes green, with the temp and lamp lights flashing red.

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check your lamp. if it has bulges, black spots or fogging, replace it. otherwise, its your power supply/ballast.

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if it's under 1 year old, it's still under warranty, so send it in and get it fixed for free.

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whats your location, The power supply is faulty, but fairly easily repaired, if you send it to me, I will sort it out

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This same thing happened to me, I removed the bulb and put it back in, it reset something and I was able to use the projector again.

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