Panasonic PT-AE4000 MSRP $1999 - Page 290 - AVS Forum | Home Theater Discussions And Reviews
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post #8671 of 8676 Old 12-09-2016, 12:41 PM
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Originally Posted by deromax View Post
My 4000 at home is also puting out a great picture. I work in a high school and maintain a stable of around 60 (cheap) projectors and they fade fast. Even with a new lamp, they are not as bright and colorful as they were when new. Granted, my home projector is not powered several hours a day for years!
My 4000 is far more impressive compared to the 2 Sanyo projectors I had previously too. These 4000 lamps look far brighter after 3000 or 4000 hours each. Would be a shame to lose it over a stupid fan.
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post #8672 of 8676 Old 12-09-2016, 01:04 PM
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I just thought to mention that in addition to fans, the internal variable iris, which changes rapidly from frame to frame, is also known to cause noises and/or shut down issues in some aging Panasonics, which can easily be mistaken as a fan noise.

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 master, ideally being exact and with no discernable alterations, aka "transparency".

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post #8673 of 8676 Old 12-09-2016, 03:46 PM
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Originally Posted by m. zillch View Post
I just thought to mention that in addition to fans, the internal variable iris, which changes rapidly from frame to frame, is also known to cause noises and/or shut down issues in some aging Panasonics, which can easily be mistaken as a fan noise.
https://www.youtube.com/watch?v=M9tAlyfVFdg
Thanks for that info, I'll keep that in mind. It sounds like that hairdryer kind of whirring. Or exactly like a desktop computer fan that's going bad. I've heard many of those in my day.
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post #8674 of 8676 Old 12-10-2016, 08:14 AM
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Originally Posted by peterclones View Post
Thanks for that pic. I do have the service manual too. For some reason the parts list at the end is full of blank pages. Do you have a parts list on yours? If so, please attach. That would help me narrow it down at least.
Just shoot me a PM with your email and I'll send you the service manual (.pdf) I have...parts list included.

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post #8675 of 8676 Old 12-16-2016, 02:44 PM
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Just an update for those with fan error problems in the self-check. I opened up the projector, removed the circuit board on top, then blew the dust out the fan areas as best I could, away from the sensitive components in the middle and lamp. Wasn't loads of dust but enough to see it fly out. Since then the projector has worked fine with no FAN error in self-check, although the whirring noise has returned which only lasts for the first couple of minutes. I expect the fan will eventually need to be replaced but for now it's not shutting down like before so I'm very happy.
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post #8676 of 8676 Old 01-26-2017, 11:36 AM
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I recently sold my PT-AE4000 and have a spare bulb for sale. I bought the bulb when I bought the projector as a back-up. It is genuine Panasonic ET-LAE4000 in original packaging. Let me know if interested and what you would be willing to pay.
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