Official Mitsubishi hc4000 ONLY Thread - Page 96 - AVS Forum
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post #2851 of 2857 Old 03-06-2014, 03:16 PM
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Quote:
Originally Posted by fleaman View Post

Strange that the Canadian price is $423 Canadian, but only $221 US dollars from the USA site.

confused.gif

Yes I noticed that too. Odd. I appreciate the link though.

I found this place... they have a section outlining the importance of ensuring lamps are legit, not copies, etc. but for some reason I still wonder:

http://www.projectorlampsource.ca/mitsubishi_hc4000_projector_bulb.html

Mitsubishi HC4000/Elite Screens 120" SableFrame CineWhite/Darbee Darblet/WDTV LIVE HUB/WD MYBOOK LIVE NAS
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post #2852 of 2857 Old 03-06-2014, 04:51 PM
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Quote:
Originally Posted by funstuff View Post

Yes I noticed that too. Odd. I appreciate the link though.

I found this place... they have a section outlining the importance of ensuring lamps are legit, not copies, etc. but for some reason I still wonder:

http://www.projectorlampsource.ca/mitsubishi_hc4000_projector_bulb.html
Not sure why the Canadian price is so much higher, since I've always ordered from the US site. I've always received an OEM lamp from Projector Lamp Experts. BTW I wouldn't trust the place you just found http://www.avsforum.com/t/1472311/projector-lamp-source-claims-original-bulbs-ships-generic-bulbs/0_50

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post #2853 of 2857 Old 03-07-2014, 09:51 AM
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I don't have any specific advice but you guys are making me wonder.

After moving to a new house with a different arrangement (bigger screen, longer throw), my 1000 hour bulb wasn't as bright as I wanted it (well under 11 ftl). I switched from eco to normal mode, re-calibrated, and resorted to using a brighter mode for gaming or daytime viewing where I don't care quite as much about color accuracy.

I found a place that had all the BS about true OEM bulbs but at significant savings over other places. I bought a bulb thinking I would get maybe another 500 hours out of my bulb before I would want to switch. In all appearances it was identical to the old, at least that is what I remember at the time. Had osram stamped on it somewhere.

When I finally switched, I found the new bulb to be no brighter than the old. I also found calibrating to be more difficult, it seemed to run out of red sooner than the old one even, which effectively means even less brightness for accurate greyscale.

I've just been living with it thinking it was just bulb to bulb variation or my different set up making the new bulb not as bright as I would have expected, but now I think I just got scammed. The bulb works, but I don't feel like I got what I wanted and now I feel like I need to worry about premature failure too.

Live and learn I guess.
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post #2854 of 2857 Old 03-09-2014, 05:52 PM
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Try to clean the color wheel, maybe you get a little boost in brightness.
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post #2855 of 2857 Old 05-04-2014, 02:43 PM
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Hi Guys ,

My PJ is shutting down automatically after couple of minutes. Not used for a month and the buld is around 400 Hoyrs ( low lamp) .Any idea ? Thanks for you response.

Here is the video on how it behaves

https://www.youtube.com/watch?v=OHZleNht3_s
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post #2856 of 2857 Old 05-04-2014, 06:45 PM - Thread Starter
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IS it out of warranty?

Go inside the service menu and watch the temperature gauges.

Automatic shoutdown could be a bunch of things:
Bad Lamp
Overheating
Faulty Power Supply
Faulty internal voltage regulation due to a bad part within the on-board electronics (bad resistor, etc...)


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post #2857 of 2857 Old 06-07-2014, 07:02 AM
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I have a HC4000 and have been away for a while, I have zero issues. Not that I want to create issues but is there a newer better firmware I should be using? I think mine is about 2 years old, or would be a new hardware platform?

Love the projector BTW.
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