CRE X1000 Worlds First 3 LED 3 LCD 1080p Projector..Anybody heard of these guys? - Page 44 - AVS Forum | Home Theater Discussions And Reviews
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post #1291 of 1292 Old 11-04-2015, 03:46 AM
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Hello Led Master,
My color problem is more subtil. I remark that the yellow color decreases in the time. When I switch on the projector,
image is really "yellow" and becomes whiter little by little. I suspect a resistor drift.... But I am afraid that it comes from the leds themselves.
Have you an idea about that? A best way would be to design a new power circuit for the leds. Do you know the Led references?

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post #1292 of 1292 Old 11-05-2015, 06:06 AM
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Yes, my friend, you are absolutely right. All LED power cirquit in this X1000 is ridiculous. Not only resistor parameters can drift, but current sources also. You can find LED power scheme in my previous posts here, some pages ago. There are no any temperature compensation elaments. Also, LEDs references you can find here:
Please pay attention to light output vs heat sink temperature curve, espacially for red LED.

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