Question about Panasonic PT-AE900U Multimedia Projector

3 Answers

I have a Panasonic PT-AE900U projector that doesn't project an image. The lamp fires up but no light makes it past the LCD panels, no video or menu graphics, nothing. I have checked all internal connections, wiring, etc. but nothing is physically wrong with it. Powers on and off with no issues; bulb is working but no light out of the lens. Please help!

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  • Frank Paul Nov 08, 2010

    Hello 2007nfm- thank you for the advice; I have checked the brightness and shutter function with no change but will look at the thermal sensor. I already have a copy of the service manual and did some basic checks but am wondering whether processor control to the lcd panels has somehow failed. I should note that the power indicator does go to green when the unit is powered up and the CPU test LED does illuminate (D1024) as it normally should. I am obviously missing something but will continue to troubleshoot this problem. You help is appreciated. Regards -Frank

  • Frank Paul Nov 08, 2010

    Hello bannonj- thank you for the advice. The bulb is working correctly and I do have a new spare I tried with the same result. I already have a copy of the service manual and did some basic checks but am wondering whether processor control to the lcd panels has somehow failed. I should note that the power indicator does go to green when the unit is powered up and the CPU test LED does illuminate (D1024) as it normally should. I am obviously missing something but will continue to troubleshoot this problem. You input is appreciated. Regards -Frank

  • Frank Paul Nov 15, 2010

    Hi vetteman- I did take the analysis block apart to check the mirrors and optics and with the exception of a minor cleaning, everything is in good order. I still think that what ever controls the three LCD panels is not functioning (IC chip?). Any input is appreciated,thanks. -Frank

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This is usually caused by the mirrors being out of alignment. Make sure that the mirrors have not fallen or broke.

Posted on Nov 12, 2010

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Was the bulb replaced in the unit. If it was it, or the cover, may not be installed tightly enough. Also if the bulb was not replaced when it has it's lifetime of 3,000 hrs was reached it may not operate correctly. If neither of these is the problem you should contact Panasonic Technical Advice on (800) 524 - 1448 or by email at pbtssupport@panaconic.com

If you don't have a manual there's one available at http://service.us.panasonic.com/OPERMANPDF/PTAE900U-MULTI.PDF which might be of some help.

Posted on Nov 08, 2010

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You should first of all check that the input selection setting is correct, the "BRIGHT" adjustment setting is not at the minimum possible setting and that the "SHUTTER" function is not in use.
If the above is ok, then you should check the thermal sensor. with this, i thought i should provide you with its service manual that will guide you on how to disassemble and check these parts. please download it from here and especially check on page 32 and on. Good luck.

Posted on Nov 08, 2010

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http://www.shopvsc.com/Replacement-Lamps-for-Panasonic-Projectors-s/284.htm?searching=Y&sort=7&cat=284&show=50&page=1&f-PT-AE900=109462

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I have a Panasonic pt-ae900u projector that doesn't project an image. The lamp fires up but no light makes it past the LCD panels, no video or menu graphics, nothing...help would be appreciated


I have the exact same issue with my projector and was wondering if anybody has an idea what the problem/solution could be? Have checked all internal connections, wiring, etc. but nothing is physically wrong with it. Powers on and off with no issues; bulb is working but no light out of the lens. Please help!

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may i know now what is the age of your projector. have you done replacing the lamp of the unit before.

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