Panasonic PT-AE4000 MSRP $1999 - Page 288 - AVS Forum | Home Theater Discussions And Reviews
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post #8611 of 8634 Old 01-24-2016, 08:56 PM
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Cool upside-down room! Do you vacuum clean the filter regularly?

In A/V reproduction accuracy, there IS no concept of "accounting for personal taste/preference". As art consumers we don't "pick" the level of bass, nor the tint/brightness of a scene's sky, any more than we pick the ending of a novel or Mona Lisa's type of smile. "High fidelity" means "high truthfulness", faithful to the original artist's intent: an unmodified, neutral, accurate copy of the original, ideally being exact and with no discernable alterations, aka "transparency".
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post #8612 of 8634 Old 01-24-2016, 09:27 PM
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Originally Posted by m. zillch View Post
Cool upside-down room! Do you vacuum clean the filter regularly?

Haha, thanks. No clue why it did that.

Fairly regularly. I just did it last week and the issue reared its head tonight.
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post #8613 of 8634 Old 01-24-2016, 10:55 PM
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I know it's easy think of the only air port you need to worry about is the exhaust, but in truth the intake is also important and it looks like you have yours right next to the wall. Panasonic makes a specific point to mention NOT to do this:
"
"Do not cover the air exhaust/intake ports or place anything within 50 cm (19 5/8") of them."
http://www.projectorcentral.com/pdf/...anual_5240.pdf

Your picture looks like the rear wall is much closer than 19 5/8" (50cm).
Maybe it isn't a problem when the filter is brand new but as they age they got partly clogged and even a thorough vacuuming won't perfectly unclog them. the reduced airflow means they trigger the over heat sensors more easily

In A/V reproduction accuracy, there IS no concept of "accounting for personal taste/preference". As art consumers we don't "pick" the level of bass, nor the tint/brightness of a scene's sky, any more than we pick the ending of a novel or Mona Lisa's type of smile. "High fidelity" means "high truthfulness", faithful to the original artist's intent: an unmodified, neutral, accurate copy of the original, ideally being exact and with no discernable alterations, aka "transparency".

Last edited by m. zillch; 01-24-2016 at 11:01 PM.
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post #8614 of 8634 Old 01-25-2016, 05:34 AM
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That could be the issue. Not sure how I can move it out. Do you think a fan brining air in from the side would help?
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post #8615 of 8634 Old 01-25-2016, 09:41 AM
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I don't know if fans would help. How about ceiling mounting it?
Interestingly on their later designs, such as the PTAE8000, the air intake vent was moved to one of the sides instead of the back. I wonder if it was to prevent the very issue you are facing? As a temporary experiment you could move it out and perch it on a step ladder to verify that the problem I suspect is indeed the issue before you invest in a ceiling mount or an extension to your existing shelf. Good luck.

In A/V reproduction accuracy, there IS no concept of "accounting for personal taste/preference". As art consumers we don't "pick" the level of bass, nor the tint/brightness of a scene's sky, any more than we pick the ending of a novel or Mona Lisa's type of smile. "High fidelity" means "high truthfulness", faithful to the original artist's intent: an unmodified, neutral, accurate copy of the original, ideally being exact and with no discernable alterations, aka "transparency".
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post #8616 of 8634 Old 01-25-2016, 11:57 AM
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Originally Posted by m. zillch View Post
I don't know if fans would help. How about ceiling mounting it?
Interestingly on their later designs, such as the PTAE8000, the air intake vent was moved to one of the sides instead of the back. I wonder if it was to prevent the very issue you are facing? As a temporary experiment you could move it out and perch it on a step ladder to verify that the problem I suspect is indeed the issue before you invest in a ceiling mount or an extension to your existing shelf. Good luck.

I'll give that a shot. Also just found out about the menu I can use to monitor temps. Hopefully just getting some fresh air kicking around up there will be helpful. It's right under the air duct for a large portion of the house. I'm wondering if being up there, with a ceiling that probably also gives off heat is just chocking it. I'll have to try some different things. I will say when this happens the exhaust portion of the projector is very warm.
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post #8617 of 8634 Old 01-25-2016, 07:07 PM
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I just found the self check menu. This is after running for a while. Temps seem to stay stable. I moved the projector out from the wall about an inch. Anything abnormal in here?
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post #8618 of 8634 Old 01-25-2016, 07:43 PM
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Panasonic PT-AE4000 MSRP $1999

It just happened again. Self check showed a red OK by on lamp fan after I started back up.

It seems my lamp fan is having issues. If I go into high altitude mode and then turn it back to normal the projector shuts down. Self check shows red on the lamp fan. Does anyone know the specs of the fan so I can order a replacement before taking the thing apart.

It seems to be running well as long as I leave it in high altitude mode.

Last edited by rick98761; 01-25-2016 at 08:09 PM.
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post #8619 of 8634 Old 01-26-2016, 08:34 AM
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I don't have any insight for your shutting down issue, but it does sound like you are on the right track with the fan operation possibly being the cause.

FWIW, I checked mine last night and this is what I show after about 3-1/2 hours of run time. My unit is ceiling mounted, and hangs about 8" down and the nearest wall is about 6 feet to the right as you face the screen. I just replaced the bulb and filter a few weeks ago.
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post #8620 of 8634 Old 01-26-2016, 09:49 AM
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Thanks. It looks like my temps are fine. It's just that fan giving me trouble. I found if I run in high altitude mode it's runs fine. Fan must just stop for some reason when it isn't getting the juice to go full speed. I can live with high altitude for now I guess, just a bit louder. I need to figure out what kind of fan I need.
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post #8621 of 8634 Old 01-26-2016, 11:05 AM
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The thing is it's difficult to know the temperature right when the unit shuts down because you have to wait to reboot everything and by that time the cool down and start up cycles have corrected the issue, but I thought of a way around this.


Don't photograph the temps but instead video them and just leave the pj on in low altitude mode until it shuts down by itself due to, we think, overheating. Then play back the video and it will show exactly what's happening at that shut down moment.


The temps, by the way, aren't traditional F or C scales, as I understand it, but instead are some binary code, perhaps a value of 0 to 256 (for example) and which direction is hotter is something you'd have to test out. [The value when having been on for only 1 second should help determine which direction the 0-256 (I think) scale is going. IIRC the service manual explains it. ]

In A/V reproduction accuracy, there IS no concept of "accounting for personal taste/preference". As art consumers we don't "pick" the level of bass, nor the tint/brightness of a scene's sky, any more than we pick the ending of a novel or Mona Lisa's type of smile. "High fidelity" means "high truthfulness", faithful to the original artist's intent: an unmodified, neutral, accurate copy of the original, ideally being exact and with no discernable alterations, aka "transparency".
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post #8622 of 8634 Old 01-26-2016, 12:17 PM
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Quote:
Originally Posted by m. zillch View Post
The thing is it's difficult to know the temperature right when the unit shuts down because you have to wait to reboot everything and by that time the cool down and start up cycles have corrected the issue, but I thought of a way around this.


Don't photograph the temps but instead video them and just leave the pj on in low altitude mode until it shuts down by itself due to, we think, overheating. Then play back the video and it will show exactly what's happening at that shut down moment.


The temps, by the way, aren't traditional F or C scales, as I understand it, but instead are some binary code, perhaps a value of 0 to 256 (for example) and which direction is hotter is something you'd have to test out. [The value when having been on for only 1 second should help determine which direction the 0-256 (I think) scale is going. IIRC the service manual explains it. ]

I left the projector running for over 2 hours and the readings hardly changed. They also match what I'm seeing as fairly normal. I'm fairly confident it is the fan at this point. The bulb fan is always the red OK after a shut down. It seems it is having a difficult time getting going. High altitude seems to work, but I can still tell that fan is running rather slow compared to others.
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post #8623 of 8634 Old 02-02-2016, 07:22 PM
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I've had kind of an odd issue with mine recently. After several hours to usage the bulb will shut off. The light on top of the unit will blink yellow for about 30 seconds. The fans kick into high for about 3 seconds. Then the projector starts back up. I feel like it has good ventilation. Both sides are open. It sits on a wire grid shelf. And has about 2 inches of clearance above it. Any ideas what might be causing this? I'm still using the original bulb, but it only has about 1,300 hours on it. Mostly in Eco mode.

I attached a photo of where it is installed.
I think it is because you are sitting on the ceiling

Do you have any heat/AC vents blowing air directly on it?

At no point in your rambling, incoherent post were you even close to anything that could be considered a rational thought. Everyone in this forum is now dumber for having read it.

My Little Theater
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post #8624 of 8634 Old 02-02-2016, 07:23 PM
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Thanks. It looks like my temps are fine. It's just that fan giving me trouble. I found if I run in high altitude mode it's runs fine. Fan must just stop for some reason when it isn't getting the juice to go full speed. I can live with high altitude for now I guess, just a bit louder. I need to figure out what kind of fan I need.
My brother's DLP did the same thing, would cut off in normal mode, run fine in high altitude mode. He replaced the bulb and the issue went away.

At no point in your rambling, incoherent post were you even close to anything that could be considered a rational thought. Everyone in this forum is now dumber for having read it.

My Little Theater
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post #8625 of 8634 Old 06-02-2016, 05:22 PM
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I have a chance to get a AE4000 in excellent condition with 12 hours on the second bulb, 1450 total hrs on the projector for under $450. Looks new.

My theater room is 21 feet deep by 18 feet wide, total light control with flat black walls and ceiling with dark grey carpet. It will be used 60/40 Movies/Games. I want to use a 135" 1.1 gain 16x9 screen and was wondering can this projector push a nice bright image on a screen that size? I have no interest in 3D and I hear this projector puts up a nice image.

Thanks for any input.
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post #8626 of 8634 Old 06-02-2016, 05:54 PM
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My room is almost that size on a 120" no problem. My throw distance is about 15'. Mine is 6 years old and I love it. $450 is a steal.
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post #8627 of 8634 Old 06-02-2016, 05:54 PM
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You should be fine but what will the distance be from the PJ to the screen? What is the gain of the screen? I am in my 3rd Panny PJ and have loved them all.
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post #8628 of 8634 Old 06-02-2016, 05:56 PM
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I have a chance to get a AE4000 in excellent condition with 12 hours on the second bulb, 1450 total hrs on the projector for under $450. Looks new.

My theater room is 21 feet deep by 18 feet wide, total light control with flat black walls and ceiling with dark grey carpet. It will be used 60/40 Movies/Games. I want to use a 135" 1.1 gain 16x9 screen and was wondering can this projector push a nice bright image on a screen that size? I have no interest in 3D and I hear this projector puts up a nice image.

Thanks for any input.
I just put a new bulb in my AE4000 that has been packed away for several years following a house move. I'm running a 120" 2.35:1 screen with a 1.4 gain completely light controlled and I'm still happy with it. Certainly not rushing to upgrade anytime soon and hoping to hold out until a suitable 4k projector is on the market. $450 seems pretty good if it's an official Panasonic bulb.
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post #8629 of 8634 Old 06-02-2016, 06:06 PM
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I just put a new bulb in my AE4000 that has been packed away for several years following a house move. I'm running a 120" 2.35:1 screen with a 1.4 gain completely light controlled and I'm still happy with it. Certainly not rushing to upgrade anytime soon and hoping to hold out until a suitable 4k projector is on the market. $450 seems pretty good if it's an official Panasonic bulb.
I currently have a Da-Lite 106" 2.4 gain screen which I know would be more than enough brightness but my wall can support a 135" and I would love to go bigger if possible. I guess I will just have to play with it and see.
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post #8630 of 8634 Old 06-02-2016, 06:15 PM
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I currently have a Da-Lite 106" 2.4 gain screen which I know would be more than enough brightness but my wall can support a 135" and I would love to go bigger if possible. I guess I will just have to play with it and see.
I think you'll be fine with your 135". I forgot to mention I'm actually running in eco-mode with the new bulb and find it bright enough.
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post #8631 of 8634 Old 06-03-2016, 05:29 PM
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Now if u could get your hands on a PT-AE8000 thats even better and brighter more lumens and bulb lasts longer
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post #8632 of 8634 Old 06-03-2016, 05:44 PM
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Now if u could get your hands on a PT-AE8000 thats even better and brighter more lumens and bulb lasts longer
I skipped on the AE4000, I have a Optoma HD141 for now and I know its not the same league as the Panny's but it fits our need for now. I might pickup a AE8000 when they drop below $1500 which looks like it will not be to long before that happens.
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post #8633 of 8634 Old Today, 12:04 PM
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I just dropped in for a group hug. I have 8k hours on my 4000 now (I use it as my main basement display, HDTV, movies, games you name it) and usually stop in this thread when I'm asking myself if I should re-invest in a new bulb or jump ship. One more go around? Off to B&H to drop 5 bills CDN. This projo has been rock solid for me and no reason to upgrade until 4k IMO.
Just dropping in and quoting myself here, for another group hug.

Happiness was finding a BNIB authentic bulb on Kijiji!!! I was simply browsing the electronics category and came across a knight in shining armor, selling a 400-hr AE4000 with the extra bulb that was offered at time of purchase. I managed to convince him to sell the bulb to me separately. What makes it cool is that we got to talking at deal time may just keep his projector now that he got paid and got some value for the extra bulb and he still has so many to go on the original bulb... and I saved at least 150 bucks CDN on a new bulb. Icing on the cake was that he lived 5-7 minutes away.

We both agreed the AE4000 is still an excellent projector.
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post #8634 of 8634 Old Today, 04:28 PM
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I checked my bulb hours on mine, and it's at about 1500, but that's on top of one reset I did already when it started turning off automatically when the bulb hit about 2000 hours.

So this bulb already has about 3500 hours on it, and still going (knock on wood). But I've always run mine in Eco mode, since it's in a fully light controlled room, and I have a very short throw distance.

Until a projector comes out that's a true 4K, doesn't cost an arm and a leg, and has a short throw distance I could even it, I'll keep using my Panny - it's still going strong!
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