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Ep 771 unit shutting down.

The lamp has not reached its end of life it's about halfway through. The unit powers on and the bulb is extremely bright. The unit will say warming up and then 30 second to 1 minute the lamp goes out and the unit stays on. There is no sound or flashing led lights. I'm wondering if this is a known problem or any way to fix the unit. I have tried using a replacement bulb and re seating the old bulb. For the love of god please help me!!!!

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  • 93 Answers

Check all the filters for dust and fur. This sounds like an overheat problem, and the easiest way of preventing damage is to remove the heat source, so the projector turns the Lamp Off. Also clarify that the fans are turning when the unit is powered up.

Posted on Mar 05, 2009

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Posted on Jan 02, 2017

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What does it means of 6 seconds red light interval of my NEC MT1050 projector,and how will I fix it to come back to life?


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TV is warming up slowly


Based on model number indicated and fact it is not shutting down it most likely is the lamp reaching the end of its 2000 hour life.

Original lamps from Mitsubishi last longer than "generic" ones that often have half the life and are not as bright.

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Dell 1209S Projector, tries to turn on, and the fan comes on for 30 seconds and then goes off again. It tries this several times and then the light bulb icon comes off and it doesn't do antything else


Lamp is burned out or makes a popping sound.
When the lamp reaches its end of life, it may burn out and may make a loud popping sound.
If this occurs, the projector does not turn back on. To replace the lamp, see on page 38.
LAMP light is solid amber If the LAMP light is solid amber, replace the lamp.
LAMP light is blinking amber If the LAMP light and the Power light are blinking amber, the lamp driver has failed and the projector will automatically shut down.
If the LAMP light is blinking amber and Power light is solid blue, the color wheel has
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TEMP light is solid amber The projector has overheated. The display automatically shuts down. Turn the display on again after the projector cools down. If the problem persists, contact Dell™.
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Replaced lamp in 55vg825 approx 1500hrs ago & lately the picture has lost brightness compared to when the new bulb was installed. Is there another adjustment or is the bulb defective already? Past...


bjac,

You are correct about lamps working or not, but that is the extremes. Over the course of operation all lamps lose brightness as the hours add up. All lamps will lose their brightness over time.

Typically lamps only last at best 6000 to 8000 hours. That is not long if the unit is used most of the day everyday. In addition the cheaper the quality of the lamp, cost and manufacture, the quicker they go down hill.

Assuming that you have a low quality lamp what you are experiencing is normal. You may be able to improve the brightness and clarity of the picture by cleaning the lenses, mirrors and screen. I have a tip at

http://www.fixya.com/support/r4690955-clean_lense_screen_in_projection_tv

This tip is labeled projection tv but is also appropriate for cleaning an LCD or DLP unit.

Thanks for using FixYa and for the great rating.

hardrocko

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The image is very dim, even on maximum brightness. We are considering replacing the bulb, but bulbs for this projector are very expensive and we suspect that since there is some image, the bulb is not the...


Yes, as bulbs age they will begin losing brightness. Most projectors have a bulb life hour clock, that measures the number of hours a bulb has been used. Usually you can pull that up within the menu of the projector. Also that particular model has what is called "Eco-Mode" and when engaged dims the bulb by 25% to cut down on power consumption.

Typical life for a lamp in that projector is:

3000 hours on Normal mode
6000 hours on Eco mode

You can expect a brightness loss of 50% when you are approaching end of a lamps life.

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2 Answers

Tv turns off for a minute and comes back on


Hi,
if tv turns On itself after shuts down then its symptom of weak lamp as current lamp is reaching to end of its working life, tv requires lamp replacement.
Lamp replacement procedure would be written in user manual and its easy. Please buy Sony original lamp for good picture.
Let me know if you have additional question.
Thanks.

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1 Answer

Can't start infocus sp7200 after changing lamp.


The end of lamp timer has reached it's limit and won't let the new lamp strike. What you need to do is Reset the end of life timer. To do this, with the projector switched off press and hold both the up and down Brightness buttons on the projector. while holding them in turn on the projector. Continue holding the buttons in for 10 to 15 seconds This will reset the end of life timer in the projector.


Cheers

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