Question about Panasonic PT-AE700U Multimedia Projector

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Blueish tint on picture

I have a new bulb, with under 300 hours of lamp life, recently (last 100 hours) a blueish tint is showing up more vividly throughout the picture... Looks bad with dark images. Anyway, I'm trying to determine if this is a problem with my projector itself or if I got a bad replacement bulb through B&H photo. I've ruled out a cable... I get the same results using HDMI, VGA and Component cables. Any help would be appreciated.

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  • mainerva Nov 24, 2007

    HI, I also installed a new buld a month or so ago and am now having the blueish tint problem. Has a solution or cause been identified?

  • lobsterman Dec 18, 2007

    I also just changed the bulb and developed a blue ghost on the screen. I dont think this is a conincedence that everyone has just changed bulbs..and gets blue ghost

  • Anonymous Feb 25, 2008

    I also changed a lamp in a Sanyo PLC-UX48 in January 2008 and now observe a bluish tint across 1/3 of the screen.

  • Rumorhazit Dec 13, 2008

    I bought a Pansonic AE700U a couple of years ago from Visual Apex. When I first bought the unit, I thoroughly enjoyed it. I was a little dismayed to find that I only got 900 hours out of my first bulb since they said I should get upwards of 1500. Nonetheless, the unit worked great with my high definition system. I replaced the bulb and everything has worked fine for the last year and I now have upwards of 1800 hours on the second bulb. About 3 months ago the screen got a blue hue that started in the right corner and got progressively bigger until it encompassed over half the screen. The blue was most notable when the background was black or very dark. We weren't sure if the bulb had gone bad since it continued to operate fine minus the annoying blue hue. Then, as we were viewing a movie recently, the screen created a "broken window" in the center two-thirds of the screen that has a yellowish tint. It appears to have pushed the blue hue back outside the border of the "broken window".The best way to describe what we are seeing is it is like looking through a piece of broken glass. There is the standard rectangular image that now has a large oval shaped, jagged "window" in the center. I put up with the blue hue but this new problem makes it too annoying to tolerate. Thinking I should have gone with the Sanyo.

    Annoyed in Alabama

  • waynorth Jan 04, 2009

    It appears we might be running into a Panasonic problem with the projector. I have just started getting the same blue hue without having changed any bulb. The unit is about 3 years old with 1,465 hours on the original lamp.

  • Anonymous Feb 28, 2009

    I have the same problem with my panasonic PT500. A blueish color starting from the right that propagate throught the screen. I had this projector for 5 years and always running in wish mode. The problem started 3 month after I replaced the Lamp.

  • beachgal53 Mar 17, 2009

    We have a PT-AE770U Panasonic Projector. It is 4 years old and we are on the second blub...been in for about 3 months now. We are NOW having a blue tint on the left hand corner of our screen. HOW DO I FIX THIS PROBLEM? Nobody seems to know what to do.

    Is it the lens, filter or the mother board ?

    What is everyone doing about this problem?



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No... lcp panels will look different when going bad ! this is the polarization filter, most of the time the one BEFORE the lcd panel (blue in this case). these should be cheap but are not easy to you might pay quite a lot. you can also buy polarization filter sheets and cut them to size. keep in mind to check for the right orientation !

Posted on Jun 10, 2009

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Most likely not a bulb problem (substitute a known good bulb if you have one to be sure). more likely is a bad LCD panel inside the projector. the light is split into 3 beams which go through 3 LCD panels (red, green, and blue) which produce the picture. the blue panel could be going bad.

Posted on Sep 13, 2007


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