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Epson 8500UB 200,000:1 CR - Page 117

post #3481 of 3620
1/8/11 at 10:24pm
Quote:
Originally Posted by Jackattack51 View Post

Hopefully someone here can help, google has been useless. My 8500UB has recently been producing a light green bar at the top of the image. It's only visible in light scenes, such as sky, and blends into the rest of the image about an inch or two down. Everything else appears to be perfect. It appears in any source; PS3, Cable, Xbox360. Any ideas?

Had the same problem, but on the right side of the screen. Epson sent me a refurb.
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post #3482 of 3620
1/9/11 at 4:58pm
Replaced my lamp today after 1645 hours. Used it in THX until a few days ago. It got too dark and I switched to Living room. Lasted for a day, than too dark again. Increased brightness but just no good anymore.
So when she goes, she goes quickly...
Used it in Normal all the time, was happy with the picture. Eco was a bit too dimm for me. Had hoped for a bit longer, though.
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post #3483 of 3620
1/9/11 at 5:01pm
Did you get a free bulb from Epson?
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post #3484 of 3620
1/9/11 at 8:31pm
No, I didn't ask. Didn't even occur to me....
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post #3485 of 3620
1/10/11 at 5:49am
Hi,

I have a new TW5500 (9500UB), and it has a rather large spot which is slightly brighter that the rest when showing a black image. To the naked eye this is quite/very subtle and I guess some people wouldn't even notice it, but it annoys me a bit.

Facts:
Not visible in light images
Not visible in either pure red, blue or green images
Is tack sharp, as evidenced by the attached photo.

Can dust blobs be as sharp/focussed as this? I would have guessed that it would have to sit directly on one of the LCD panels to be in focus, but I would also then expect it to be more visible when projecting the pure color of the affected panel.

The screen is 106" diagonal, so the spot is quite large (approx 12 in / 30 cm in diameter). I've sent the image to Epson, but I haven't heard back yet. I resent the thought of sending it in (it has only 40 hours on it), as it seems to be pretty good on everything else. Has anyone had any success dislodging dust by blowing into any of the projector orifices on this particular Epson chassis?



The image is a long exposure (20 sec) with the projector set to "Blank", and I've had to raise the brightness to make the spot stand out. To the bare eyes it is almost invisible, so I am unsure if it is worth the risk sending it in.

Is this a typical dust blob, or is it possible that it is something else?
LL
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post #3486 of 3620
1/10/11 at 7:35am
Yes, that's a blob alright. I sent my second pj back for that very issue. My third has a blob, but it's red instead of the color on yours so I don't notice it. It seems with Epson you trade one problem for another when you play the refurb game.
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post #3487 of 3620
1/10/11 at 4:33pm
Quote:
Originally Posted by mroek View Post

Hi,

I have a new TW5500 (9500UB), and it has a rather large spot which is slightly brighter that the rest when showing a black image. To the naked eye this is quite/very subtle and I guess some people wouldn't even notice it, but it annoys me a bit.

Facts:
Not visible in light images
Not visible in either pure red, blue or green images
Is tack sharp, as evidenced by the attached photo.

Can dust blobs be as sharp/focussed as this? I would have guessed that it would have to sit directly on one of the LCD panels to be in focus, but I would also then expect it to be more visible when projecting the pure color of the affected panel.

The screen is 106" diagonal, so the spot is quite large (approx 12 in / 30 cm in diameter). I've sent the image to Epson, but I haven't heard back yet. I resent the thought of sending it in (it has only 40 hours on it), as it seems to be pretty good on everything else. Has anyone had any success dislodging dust by blowing into any of the projector orifices on this particular Epson chassis?



The image is a long exposure (20 sec) with the projector set to "Blank", and I've had to raise the brightness to make the spot stand out. To the bare eyes it is almost invisible, so I am unsure if it is worth the risk sending it in.

Is this a typical dust blob, or is it possible that it is something else?

Is that the normal color of black?
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post #3488 of 3620
1/11/11 at 1:00am
Quote:
Originally Posted by OldSlow View Post

Is that the normal color of black?

No. To the naked eye the blue tint is not visible. The dot is just a bit lighter than the rest, it doesn't look blue. The blue tint is most likely due to the camera used (old Nikon D100) and the very long exposure.

I am very unsure whether I want to send away this projector or not. It seems to be good at everything else (uniformity/convergence), and having it serviced may result in other problems. Getting a refurb is not an option, I would rather have them clean this one. Perhaps the best is to just live with it for now, and see if other issues (or more dust) comes along further down the road.
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post #3489 of 3620
1/11/11 at 7:05am
Quote:
Originally Posted by OldSlow View Post

Put up a white screen. Any off color is noticeable.

I secured a crisp white screen via you tube: "white screen (16:9)", and the left side has a bluish tinge, while the right has a reddish tinge. I guess this means the lcd panels are mis-aligned.
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post #3490 of 3620
1/11/11 at 8:30am
Run a convergence test, that will tell you if you have alignment issues.
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post #3491 of 3620
1/11/11 at 8:37am
Quote:
Originally Posted by wpgcabby View Post

Run a convergence test, that will tell you if you have alignment issues.

The problem is I don't have a calibration disk or equipment, and can only 'eye-ball' the writing on the screen which appears to be off when I look up close.
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post #3492 of 3620
1/11/11 at 9:32am
I would suggest getting one then, they are under $40 and worth every penny! I thought I had mine dialed in good with my eyes, boy was I wrong!
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post #3493 of 3620
1/11/11 at 9:35am
Quote:
Originally Posted by wpgcabby View Post

I would suggest getting one then, they are under $40 and worth every penny! I thought I had mine dialed in good with my eyes, boy was I wrong!

Which would you suggest?
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post #3494 of 3620
1/11/11 at 10:52am
Quote:
Originally Posted by cdnscg View Post

the left side has a bluish tinge, while the right has a reddish tinge. I guess this means the lcd panels are mis-aligned.

Same problem I had.
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post #3495 of 3620
1/11/11 at 7:38pm
Quote:
Originally Posted by cdnscg View Post
The problem is I don't have a calibration disk or equipment, and can only 'eye-ball' the writing on the screen which appears to be off when I look up close.
I just bring up the menu to check convergence. If convergence is bad, it will be obvious on the white text on black background, especially in a dark room. If you don't notice it from viewing distance, it probably isn't an issue. I also move the menu display to all 9 positions to check convergence on all areas of the screen.
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post #3496 of 3620
1/25/11 at 3:30pm
Hello there ,it has been since a while i am having the same convergence problems with my TW5500. Until today i have been to my 3rd replacement with no good. I will agree that with Epson if you play the refurb game you trade one problem with an other.
I will describe my own story here. My first TW5500 (3 months ago) had a red tinge on the top of the screen (picture 1) and some spots (inside?) the lenses that could me clearly visible while defocused (picture 2). Replacement came after 2 weeks (and not overnight, as described from others earlier) but the problems where still there. There was a green tinge this time on the right side of the screen (picture 3-4). I run some convergence tests (picture 5) and the problem was still there. I have also pictures from TW5500s' internal test patterns that show the convergence problem. I went through my second replacement, which i received today but with no luck. The problem persisted although the THIRD TW5500 was a new one. Tomorrow i am heading for a return.
Any help appreciated.


Attachment 199409

Attachment 199410

Attachment 199411

Attachment 199412

Attachment 199413
LL
LL
LL
LL
LL
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post #3497 of 3620
1/25/11 at 3:53pm
Good Luck....
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post #3498 of 3620
1/25/11 at 7:03pm
Quote:
Originally Posted by salamander1 View Post

Hello there ,it has been since a while i am having the same convergence problems with my TW5500. Until today i have been to my 3rd replacement with no good. I will agree that with Epson if you play the refurb game you trade one problem with an other.
I will describe my own story here. My first TW5500 (3 months ago) had a red tinge on the top of the screen (picture 1) and some spots (inside?) the lenses that could me clearly visible while defocused (picture 2). Replacement came after 2 weeks (and not overnight, as described from others earlier) but the problems where still there. There was a green tinge this time on the right side of the screen (picture 3-4). I run some convergence tests (picture 5) and the problem was still there. I have also pictures from TW5500s' internal test patterns that show the convergence problem. I went through my second replacement, which i received today but with no luck. The problem persisted although the THIRD TW5500 was a new one. Tomorrow i am heading for a return.
Any help appreciated.


Attachment 199409

Attachment 199410

Attachment 199411

Attachment 199412

Attachment 199413

The fifth picture appears to be a close-up of lines from a start up screen. If so, its not that different than what I can see on the systems set up screen lettering. How does the picture look when watching a blu-ray or tv?
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post #3499 of 3620
1/26/11 at 2:54pm
cdnscg the fifth picture is a close up of a crosshatch test pattern had to run to verify convergence errors.
My first TW5500 -when watching a blu-ray or tv-, looked like this one posted by pbmax542 ww.avsforum.com/avs-vb/showthread.php?t=1063265&page=54

Everything white in the movie got a pinkish colouring when inside the tinged area.
Same problem with my second TW5500, but this time the tinge was on the right side and it was green. When i watched a blu-ray with a cloudy sky, the clouds in the right part of the screen appeared with a greenish colouring.

Yesterday got my third replacement, but had the same problem, green line on the right side, two+ pixels off convergence . Had to returned it back.
Now heading for the fourth TW5500 replacement.
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post #3500 of 3620
1/26/11 at 3:32pm
Ha! Same problem I had! Pink hue all over one side...everything white was pink. Sent it back...now I changed out that pink hue for a Bluish blacks...you can't win with Epson. I'm Soured!
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post #3501 of 3620
1/28/11 at 1:56pm
My 4th TW5500 received today. First impression is that he have beat the monster. The picture is as clear as it can be. No more tinges, or funny colouring of the clouds or the snow. The subtitles and the menus are crisp and the edges are smooth.
I will post new photos as soon as i finish my installation.
I want to thank Epson for the replacement effort.
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post #3502 of 3620
1/28/11 at 2:32pm
Quote:
Originally Posted by salamander1 View Post

My 4th TW5500 received today. First impression is that he have beat the monster. The picture is as clear as it can be. No more tinges, or funny colouring of the clouds or the snow. The subtitles and the menus are crisp and the edges are smooth.
I will post new photos as soon as i finish my installation.
I want to thank Epson for the replacement effort.

Great news. Look forward to the pictures.
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post #3503 of 3620
1/30/11 at 2:21pm
Hey all. I bought my 8500UB back in July. We just moved to a new house and finished the dedicated theater.

My projector seems ridiculously loud (48dB on the SPL meter at sitting position) in normal mode, and if I turn it to ECO mode, I get a high pitched whine that others before me have mentioned. Also, I had to turn the DI off because it sounded like an old, dying hard drive (or more like a meat grinder) that could be heard even over the loud fan. Before, the projector was in a closet and now it is on a shelf right above our heads, so that may have something to do with it.

My question is: should I take the chance and get a replacement? My convergence seems pretty good, even up close, and the lens shift is loose but once I get it dialed in (after a lot of patience) it doesn't seem to drift, and the focus is pretty tight...

I kind of wish I had read this thread before I bought it - I might have held out for the new entry level JVC...
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post #3504 of 3620
2/1/11 at 7:44pm
Question:
Has anyone noticed that their focus seems to change as the projector warms up?
I noticed this after refocusing my projector tonight. I focused it immediately after start up as it appeared out of focus (I had previously focused it after warming up) and by the end of the film, it was out of focus again. A quick adjustment allowed for easy refocusing.
I know that this was quite common with the 6500UB. Anyone else have the same experience with the 8500UB... that the focus changes slightly as the projector warms up so that the projector must be focused once warmed up and that it will be somewhat out of focus on start up?
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post #3505 of 3620
2/1/11 at 7:49pm
I should add that this is my second 8500UB. The convergence is good and the lens shift is solid. However, the fan is VERY loud and I'm having the aforementioned focus problem.
My prior 8500UB was perfect except for a very loose lens shift that had gotten to the point where it would drift 1" (screen side) each week.
I don't know if I want another refurb. If the focus issue is normal (and just something that I neglected to notice before) then I think I will learn to live with the loud fan and just buy a JVC next time.
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post #3506 of 3620
2/2/11 at 12:00am
Mine (Epson TW-5500) also has this focus issue. I was under the impression that this is fairly common, but I don't know the cause for it. I'm not very bothered by it, though.
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post #3507 of 3620
2/2/11 at 7:24am
Quote:
Originally Posted by SaxCatz View Post
I should add that this is my second 8500UB. The convergence is good and the lens shift is solid. However, the fan is VERY loud and I'm having the aforementioned focus problem.
My prior 8500UB was perfect except for a very loose lens shift that had gotten to the point where it would drift 1" (screen side) each week.
I don't know if I want another refurb. If the focus issue is normal (and just something that I neglected to notice before) then I think I will learn to live with the loud fan and just buy a JVC next time.
I'm on my third and the only problem now is the one dust blob, which is hardly noticeable, and lens drift. It moves (drops) about 1" per week as well, but after the wheel of refurb roulette with Epson, I'm going to stop the madness and keep this one.
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post #3508 of 3620
2/13/11 at 4:23am
Hello everyone, just wanted to add my experience. Purchased May '10 never had any of the myriad issues on my 8500ub. Convergence is one pixel off the entire image horizontally. Perfect vertically. Minimal iris and fan noise. Bulb blew at 978hours. Replacement was at my door the following day. I want my bulb to last much longer, but I won't complain until I have to pay for it.
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post #3509 of 3620
2/18/11 at 7:20am
Quote:
Originally Posted by d_m1010 View Post

I'm on my third and the only problem now is the one dust blob, which is hardly noticeable, and lens drift. It moves (drops) about 1" per week as well, but after the wheel of refurb roulette with Epson, I'm going to stop the madness and keep this one.

Ever get rid of the dust blob?
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post #3510 of 3620
2/18/11 at 11:20am
Nope. I have a light on in the room when I'm in there (25 watt) which makes the room warm and inviting and hides the blob. I dislike sitting in the dark so it works out fine.
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