Question about Mitsubishi SD105U DLP Projector

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Projector sd105u When I turn it on, the status and power turn green but status starts to flash and then power to nothing. Status still flashes for a bit then goes blank and then power turns to red.

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 2 Answers

SOURCE: Lamp turns off

The solution is a weird one. I had the same problem with my Sony Cienza VPL-HS1. Run for about 5 minutes and then the lamp would go out. The warning would show that Lamp/Cover was an issue. I assumed the lamp had reached its lifespan.
Wrong.
All it was, was the filter sitting in the filter box has a small trigger switch that turns off the lamp as a safety when someone inadvertently opens the cover for the filter.
Well, strangely enough, the box and the cover are sized in a way to expand when they heat up. (which they do aggressively) When they heat up they expand, and ever so slightly move the filter away from the switch far enough to trigger it to the off position (only about 1/64th of an inch).
Thats why when some of you tip your projector on its side it runs ok (gravity pushing the filter back in place).
The solution is to put a tiny strip of duct tape along the far edge (the edge opposite of the switch) of the filter on its plastic surround. This will snug-up the filter harder against the switch. Even when it tries to shift under expansion and contraction, it will not allow the switch to poke out far enough to turn off.
So, a penny of tape does the job!
JC Dallas Texas

Posted on Dec 22, 2007

  • 2 Answers

SOURCE: Projector turns off after about 30 minutes? What's wrong.

Check to be sure the safety switch at the filter is not being tripped when the case and or the filter surround gets hot and expands. Thats what mine did.

Posted on Dec 22, 2007

  • 2 Answers

SOURCE: Blinking Light on Mitsubishi SL4SU Projector

To jmatthews

Both power light and status light a solid red with no response to any buttons indicates the bulb timer has expired. You need to reset the timer by pressing and holding the left arrow key, the right arrow key and the power button all at the same time for a few seconds.

If there are no problems, the projector will fire up, but you must replace the bulb as it will fail soon and perhaps explode when it does.

Take care

Posted on Mar 23, 2009

joeshea123
  • 65 Answers

SOURCE: The projector suddenly shuts off.

Hi,
have you check the filter?

Posted on Mar 27, 2009

  • 22 Answers

SOURCE: Hi, My hc1500 Is having a problem. When I turn it

The clicking sound is the high voltage power supply trying to
ignite the gas in the lamp. The lamp is not firing and coming on.
Check the bulb/ lamp life. Possible the lamp has exceeded its
useful life and may need to be replaced.

Posted on Jul 21, 2010

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