Question about HP Compaq MP1800 Multimedia Projector

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Compaq mp 1800

I have a purpleish hue on everything. The picture is otherwise OK. The color adjustment does nothing to correct this. It started all of a sudden

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Most likely a bad cable. Try bending a little bit of the wire at a time and see if the color flickers back to normal, or you could just by another cable and see if that fixes it. Happens to a lot of the projectors I support.

Posted on Jul 31, 2008

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Posted on Jan 02, 2017

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No green or yellow color


Fault at its main digital board. Short circuited component/s at it. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/

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1 Answer

The picture is so dark can't make out figures


It sounds that the back-light section has some fault with your TV. Otherwise, 30% brightness, 60 to 65% contrast, and 20 to 30% color settings should give you perfect picture.

Jun 06, 2013 | Digimate DGL20 Television

1 Answer

Both the picture and sound work when the TV is turned on, yet the picture is distorted like a double picture and has a yellow hue to it.


Sounds like you have a convergence problem. If you go into the setup menu of your TV, there should be some settings to adjust the red, green and blue hues and re-position them so each color matches up. If this does not work or if you don't have a menu, your TV *might* have a circuit board with several plastic screws on it. These adjust the picture and it's a very tedious task to re-align each hue correctly.

My projection TV is an older model from 1995, which is probably why it has this circuit board in place of a convergence menu built into the TV.

If adjusting the convergence still doesn't work, you might need to purchase a new convergence chip.

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1 Answer

Sharp XR1S It projects the image on screen, use to show the correct color. last time the image was projected but in pink hues. is this an adjustment issue or is the lamp going or gone?


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.
i have added a video how to clean the color wheel . not the same projector.
ok

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4 Answers

My xerox Phaser 8560 is printing green? It was working fine but now All my pictures have a green hue. Why


I need to know something first. If you print a test page, an internal page, a confirmation page, menu page, etc, does the machine give you a green hue ?
Have you tried to shut the printer down and allow it to reboot? There is tec color correction on your print driver properties. You can try adjustments with that.
But first let me know if the internal prints are ok , then lets go from there.

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1 Answer

Color is gone, hue is greenish yellow otherwise everything else works fine i own a 50 inch Grand Wega Sony purchased in Dec 2005 lamp is new nothing in "menu" solves this problem


It sounds like the Optical Block is causing the problem. Due to the cost of the part, ( around 600.00), I would contact Sony at 1800-222-SONY and see if the would be willing to help out with the repair cost.
I hope this helps,
Skyassoc

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1 Answer

Just changed ink everything is purpleish pink esp3 kodak printe


Hi,
Pink color usually indicates, color cartridge bad,
Try cleaning nozzles, head cleaner, alignment, calibration
Print off a test page,
If still bad, New cartridge, it's a bad one.

Hope this helps
Richard.

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3 Answers

Yellow tint in photoshop


Try adjusting the brightness on the monitor

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1 Answer

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hello i have a jvc 52" made in july 2004 replaced bulb twice under warranty plus replaced ballast board in 2005 replaced bulb dec 2008 my tv was before and after install having a blue hue reversed words

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1 Answer

Laptop screen flickers and color is distorted


Sounds like the CCFL is failing.. (Backlight)... Pink hue is common when these start to go out..

Dec 14, 2007 | Computers & Internet

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