Question about InFocus LP70+ Multimedia Projector

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LP70+ projects a dark rose/pink tint upon the screen

My LP70+ projects a dark rose/pink tint upon the screen. I just replaced the lamp and this does not fix the problem. Has the color wheel died? If so, can I order a new one and install it myself?

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  • laraw Sep 23, 2008

    I have the magenta color whenever a devise is attached. I have swapped out the cable and that didn't fix the issue. When I try to go and adjust the color in the settings menu the Color option is greyed out and unadjustable. Is there a hard reset for the equipment? Why would it lock me out of the color adjustments?

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The pink tint produced by my LP70+ projector was not a lamp issue but a connectivity issue. I swapped the old cable with a good known cable and the tint went away.

Posted on Aug 15, 2008

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It does not matter---these sets are so bad (this one) they sell the entire chassis or the light engine which has the color wheel in it and last time I looked the wheel does not come unless you buy the engine.

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hi,
first of all check the tint setting on your projectors picture menu.
if not get the correct color then, your projector is a dlp projector that means it have a color wheel in side. if the synchronization of color wheel is not correct this problem can occur. there is a sensor for couting the rpm of color wheel. also have a black mark on the color wheels rotating portion. the sensor scene this black mark for making count. if there is any dust in that portion it will make difficult to the sensor making the counts. you have to remove the color wheel to clean the same.
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1 Answer

My five year old Toshiba 57H84 rear projection TV has a pink tinted screen when you first turn it on, then after it warms up, the colors are all fine but then the picture has evenly spaced blue tinted...


Hi,Yes your problem sounds like the DMD board.This is how it works: http://electronics.howstuffworks.com/dlp1.htm Basically the light of the lamp goes through a tunnel that carries a color wheel(rotating disc with a gamma of colors that creates the colors on your tv)then the light of the lamp goes through the DMD board which is a chip composed of around 2 million pixels that creates the images and colors.When it starts to fail it will create black bars,pixelation,color distortion or white dots on screens. Here's a video that will help you find where the DMd chip is located : http://www.youtube.com/watch?v=0jr_9A5Xd2Q Have a blessed one!

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1 Answer

Screen has green tint, it is an LCD 42 inch


First of all, that is not an LCD tv. It is DLP, which is a common mistake because the picture is very similar. DLP tv's use a high-power lamp that reflects light off of thousands of tiny mirrors into a spinning color wheel which gives the reflections color. Each little mirror is one pixel, which can be any color depending on the hole that it goes through on the color wheel. The color wheel may be spinning slower than normal, which could make all of the light go through the green filter on the color wheel, and give your screen a green tint. Have a trusted mechanic take your tv apart and dust the inside. If that doesn't fix it, you may need a new color wheel or bearings for it (that help it spin). You should not pay more than $200 for a bearing replacement on this tv.

Thanks for asking.
-Josh

This pic might help your understanding.

http://static.howstuffworks.com/gif/projection-tv-1-chip-projector.jpg

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1 Answer

Monitor colorization problems


1.) Check to see if the screen has a peel-away, cellophane type shipping protector on it ( transparent with a rose color tint ? ). 2.) Click Start >> Control Panel >> Display >> Settings >> Advanced. If this section has a tab labelled "GAMMA", you can manually adjust all display settings. 3.) If no gamma control is available - download one FREE ( Dark Adapted ) here >>

http://www.aquiladigital.us/

.

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1 Answer

Projector gives off pink tint


when you have a tint on the projector its not a lamp issue, it is a connectivity issue you have to check the cables if they are connected firmly, or swap the cables with good known cables , if this doesn't help you have to send the projector to infocus repair center, since it is a DLP projector this may require engine /major repair

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1 Answer

COLORS!!


When you replace a color wheel on the DLPs you have to index the color wheel properly or the tint will be messed up.

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Infocus LP70 - It's all Green


A tinted image (whether green or another color) is almost always a symptom of a bad or damaged cable - or a loos cable connection. In your case, you'll likely need a new M1 to VGA cable (Part# SP-DVI-A-R).

Assuming that you've made sure that the cable connections are solid at both ends, there is a simple test to verify that this is a cable issue and not a costly projector issue. While the image is tinted green, open the menu. If the menu colors appear fine while the rest of the image is still tinted green it's the cable.

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