Question about Panasonic PT-AE700U Multimedia Projector

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LCD Polarizer Is this something easily fixed with just ordering a new part from Panasonic or should I ship it somewhere to be fixed?

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Hi Druaga

If I were you I would rather send it i for repair as this is a VERY delicate process.

There is about 6 polarizer panels in the prism and all of them will have to be taken out when replacing one , the problem is not taking them out , but the replacement is an absolute nighmare !

Posted on May 29, 2008

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I need a new ballast for my Panasonic ptl735u projector


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I am Maggie from Yue Yu Electronic and I am in charge of the export business.

We, specialized in multi-media projector system engineering and maintenance service, wholesale and retail all brand projectors and its accessories (lamps, ballasts, polarizer, light tunnels, filters, burners, main boards, LCD panels, color wheels, lens, remote controls, etc.), have exported projector parts for many years.

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Aug 15, 2011 | Panasonic PT L735U Multimedia Projector

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When i put a new bulb in my projector panasonic ptae1000 its shows green how do i fix this


A new bulb may just be showing up a problem that wasn't apparent with the lower brightness coming from an old bulb.
Try putting the old bulb back in and look very carefully and see if the problem is still there.
If the green is uniform over the whole screen then it may be fixed by setting a colour level change in the menu.
If it varies over the screen then it is probably a polarizer affected by age and heating.

Jul 14, 2011 | Panasonic PT-AE1000U LCD Projector

1 Answer

I saw an answer up above regarding the green hue on the projector, is there anyway to remedy this problem? This is really annoying to me and I would like to fix the issue. Thanks,


Three LCD block in the Panasonic projector PT-L735 green,blue and red and two polarizer use with each LCD (as show in picture below) when polarizers faded due to age or any other reason then screen show the color. In your cause the green polarizers faded and need to be replaced good_help_9.png

Jan 08, 2011 | Panasonic PT L735U Multimedia Projector

3 Answers

Yellow tint


Hello. Here's the visual key to remember about projectors--LCD panels show their colors like this: RED lcd panel displays cyan onscreen(baby blue); GREEN lcd displays purple; BLUE lcd displays yellow. ( You now know where the displayed dust is!) The problem is most likely a burned blue lcd or polarizer filter in front of the blue lcd panel. This occurs when the dust filter isn't cleaned regularly or properly and heat builds up--yes, enough to "cook" the lcd panel or actually cause a burn to develop on the polarizer. The polarizer is just like a lens in a pair of good sunglasses. It is a small, extremely thin, pane of glass with polarizer material glued onto one side. When burned, it causes a "shadow" effect--that enhances the display of that particular color--in this case, yellow.--Hope I was of assistance!---Rick

Dec 30, 2009 | Panasonic PT-AX200U Projector

1 Answer

I have a big green and blue circle on my screen


You are facing this problem due to a burnt polarizer filter just past the blue filter for the blue chip.
This TV has a three chip design with red, blue and green chips.

Get new polarizer for your tv from panasonic .

Mar 02, 2009 | Panasonic PT-50LC14 50" Rear Projection...

1 Answer

Missing remote


I do not know how to solve it without using remote control, but you can order a replacement remote control for your unit from Panasonic part website. A new Remote Control will cost you $24.72 plus tax and shipping. Just type the model number, SC-HT1500, scroll down to find "Find Parts & Accessories" on the right, click on it. The pop-up windows appears. Choose SAHT1500, for main unit, and you will go to the page where you can order many parts for your unit. II think it is worth to invest to a new remote control since many features do not work without it. Here is the link: http://www2.panasonic.com/consumer-electronics/support/?cm_sp=Homepage%20Support-_-Header%20Support-_-Support%20For%20Customers%20Link

Dec 21, 2008 | Panasonic SC-HT1500 System

2 Answers

Grennish/yellow spots pt-50lc14


I received a new blue polarizer unit from Panasonic. I installed it and it fixed my problem!!!

Duane

Apr 09, 2008 | Panasonic PT-50LC14 50" Rear Projection...

2 Answers

Blurry and discolored


smile.gif smile.gif I have this projector (out of warranty) and it had the same problem. I traced the problem to the green polarizer which is a glass sandwich assembly right in front of and attached to the green LCD panel frame, though I suppose it could happen to the red or blue. There is a plastic membrane laminated to the glass on both sides of one panel or slide which is the actual polarising element. The element that faces the opposite panel in the sandwich was melted in a 1/4 inch circle in the center of the polarizer. It looked like wavy ripples on a puddle when viewed under a stereo microscope or 10X loupe. With the LCD block removed you can hold the assembly up at an angle to a light and inspect each polarizer for damage. I can only speculate about the cause of this condition. My best guess is a very light paused signal left for an extended period that heat stresses the plastic layer like the sun through a magnifying glass. Anyway, I carefully removed the polarizer per instructions in the service manual, pages 63 & 66(available online), and replaced it with a new one (part #TKGP0029) at a cost of $75 and my time which was about 3 hrs. This procedure isn't for the faint at heart or the clumsy! You need a steady, meticulous hand, patience, and very good mechanical and preferably also electronic abilities to attempt this. The defective polarizer must be carefully and slowly pried away from the small strips of double sided tape that secure it to the LCD frame with an exacto blade or fine jewelers screwdriver, and the new one replaced with fine tweezers and gently and firmly pressed onto the tape. A stereo microscope or 10 power loupe really helps with the process. Make note of the orientation of the two colored dots on the polarizer, green in this case, before removing. Otherwise, send it to an authorized repair facility or remove the bulb and find a used "good" projector on eBay or craigslist that needs a bulb. The cost might be the same, occasionally $300 if you're lucky.

This symptom may also be caused by other related problems, but that's my story and I'm stickin' to it! Hope this experience helps in some way. smile.gif

Woody

Jan 09, 2008 | Panasonic PT-AE900U Multimedia Projector

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