Official JVC DILA-X500R / RS49U / RS4910U Owners Thread - Page 5 - AVS Forum | Home Theater Discussions And Reviews
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post #121 of 6384 Old 12-26-2013, 09:25 PM
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I don't have any way to feed 4K to my projector (well, I could probably try to rig something with my Oppo 95, but aside from that...) or I'd give it a shot. However, both HDMI inputs on my projector are working without issue.
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post #122 of 6384 Old 12-26-2013, 09:26 PM
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Originally Posted by SOWK View Post

Slow clap. Slow clap. Slow clap... Great job JVC...

It's my first projector, much less a pre-release model. I don't know how JVC has historically been in terms of quality on with their pre-release projectors but in the end it'll be fixed somehow.

 

Like I mentioned before it's hard to say if its JVC or UPS's fault. Though in terms of quality control I feel that the least JVC can do is test the two ports with all the resolutions. I'm not even getting an HDMI handshake in the second input. Something like that should be pretty obvious when it comes off the production line.

 

In 1080p the picture was very good from my first impression so hopefully mine was just a dud.

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post #123 of 6384 Old 12-26-2013, 09:28 PM - Thread Starter
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So mark we were wrong with our reviews... No one is gushing over the image quality just yet... Lol.

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post #124 of 6384 Old 12-26-2013, 09:31 PM - Thread Starter
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Originally Posted by ziantos View Post

It's my first projector, much less a pre-release model. I don't know how JVC has historically been in terms of quality on with their pre-release projectors but in the end it'll be fixed somehow.

Like I mentioned before it's hard to say if its JVC or UPS's fault. Though in terms of quality control I feel that the least JVC can do is test the two ports with all the resolutions. I'm not even getting an HDMI handshake in the second input. Something like that should be pretty obvious when it comes off the production line.

In 1080p the picture was very good from my first impression so hopefully mine was just a dud.

The chances of ups breaking an HDMI port, and not the lens or bulb is unlikely. That would be one of the last things to go bad, if dropped in transit.

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post #125 of 6384 Old 12-26-2013, 09:32 PM
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Originally Posted by SOWK View Post

Well that's good. So do you like the picture better then your RS4810, or about the same?
Probably slightly better. I'll have to calibrate the projector and watch some more movies, preferably with darker content, before I can say for sure. The iris seems at first blush like a good implementation (it's very quick if nothing else), but I have my iris set to a max of -12, so it's probably only going to do anything during very dark scenes. The DI was the primary reason I upgraded, so I wasn't expecting a huge leap from the already solid performance of my 4810.

I sure wish JVC could get their arms around the bright corners issue. I know it's a limitation of the technology, and it's really hard to see during normal content, but it still pisses me off. rolleyes.gif

I also still need to test out some 3D movies to see if that's at all improved.

I'm not quite the pixel peeper like zombie and others though, so they might lock onto improvements and/or differences that I'd never have noticed. I'm really curious to hear their opinions once they get their hands on the new JVCs.
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post #126 of 6384 Old 12-26-2013, 09:34 PM
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Quote:
Originally Posted by SOWK View Post


The chances of ups breaking an HDMI port, and not the lens or bulb is unlikely. That would be one of the last things to go bad, if dropped in transit.

Exactly. It an electrical failure, so probably not UPS's fault. I would tinker with it some more, but I'm pretty convinced there isn't anything I could do and wouldn't want to go over the 4 hours on the lamp so that I could still do an exchange.

 

Edit: Also HDMI chipsets are not anything new anymore so I still wonder how JVC could have screwed it up.

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post #127 of 6384 Old 12-26-2013, 09:44 PM
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So how dark can a fade to black get with the DI on (total darkness)? Are dark scenes significantly better than without the DI engaged?
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post #128 of 6384 Old 12-26-2013, 11:08 PM
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The first impressions are underwhelming to say the least. I guess we'll have to wait till one of the "pixel-peepers" gets his unit for comparison with previous models.
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post #129 of 6384 Old 12-26-2013, 11:12 PM
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Originally Posted by johnsmith808 View Post

So how dark can a fade to black get with the DI on (total darkness)? Are dark scenes significantly better than without the DI engaged?
I'm not sure how to quantify the answers to your questions, but fades-to-black get pretty danged dark. Not pitch black; the iris isn't completely closed, but much darker than with the manual iris engaged at -12.

I haven't watched the projector enough to accurately answer your second question. However, it seems to me that the lower your manual iris setting, the darker the APL of the image would have to be for the iris to even do anything. In other words, my iris is manually set to -12, so the APL at which I can see the iris moving (if I look at directly the projector) is pretty low. It does seem to do a good job of dropping the black floor on darker scenes though.
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post #130 of 6384 Old 12-26-2013, 11:17 PM
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Originally Posted by Elix View Post

The first impressions are underwhelming to say the least. I guess we'll have to wait till one of the "pixel-peepers" gets his unit for comparison with previous models.
I don't know about underwhelming, but I don't think anyone should reasonably expect a huge performance leap going from the 4810 to the 4910. If I didn't already have some idea of what to expect (i.e. if this had been the first projector I'd owned since my VPL-VW60) the improvement would've knocked my socks off. Remember, the major difference between the 4810 and the 4910 (besides the 4K inputs which are of little use to me right now) is the dynamic iris, and in that respect, I think JVC's implementation is pretty solid. Again, I haven't calibrated my 4910 yet (and my 4810 had been calibrated), so maybe the performance gap will increase down the line. Also, I've only watched about one-and-a-half movies on it so far, so my comments are very preliminary. I spent at least two hours setting it up, focusing, and just generally futzing around with it.
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post #131 of 6384 Old 12-26-2013, 11:24 PM
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It's not only the DI that is new. How about a new panel? With smaller pixel gaps? Improved contrast performance?
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post #132 of 6384 Old 12-26-2013, 11:24 PM
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Just to be clear...when I stated a few times earlier that "it wasn't obvious that the iris was working," what I meant is that the iris wasn't drawing attention to itself via pumping (other than once during credits) or other artifacts. The improved black levels were definitely noticeable. Sorry about the confusion.

FWIW, the iris does a commendable job in fade-to-black scenes...far better that what I'd seen just by clamping down the manual iris on my 4810.
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post #133 of 6384 Old 12-26-2013, 11:31 PM
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Quote:
Originally Posted by Elix View Post

It's not only the DI that is new. How about a new panel? With smaller pixel gaps? Improved contrast performance?
I know it's not the only thing that's new, but it's arguably the most significant thing.

The smaller pixel gaps are definitely noticeable when adjusting focus. The gaps are so thin that it makes it easy to notice any focus non-uniformity because if the focus isn't dialed in just right the gaps will completely disappear. However, the increased native contrast (from 50K to 60K) would be very tough to notice without the projectors side-by-side, and even then unit variances could easily make that a wash.

The other new feature is eshift3 but I haven't really had enough viewing time to draw any conclusions about that. Also, I think CMD (and maybe MPC) is active in 3D mode now. I tested 3D very briefly just to make sure it worked and now the projector automatically changes the picture settings to 3D once when it detects a 3D signal...that was nice to see.

The improved dynamic contrast from the DI is definitely noticeable.
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post #134 of 6384 Old 12-27-2013, 12:08 AM - Thread Starter
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Rs57 owners are reporting max lumens of only 575... Anyone test their rs4910 lumens?

That's just way to low for anyone with a large screen.

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post #135 of 6384 Old 12-27-2013, 12:46 AM
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Quote:
Originally Posted by SOWK View Post

Rs57 owners are reporting max lumens of only 575...

Strange, I found a review reporting 950 lumens ...
http://www.avmagazine.it/forum/80-videoproiettori-lcos-full-hd/240012-nuovi-jvc-2014?p=4056025#post4056025
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post #136 of 6384 Old 12-27-2013, 03:06 AM
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Quote:
Originally Posted by Schwa View Post

I sure wish JVC could get their arms around the bright corners issue. I know it's a limitation of the technology, and it's really hard to see during normal content, but it still pisses me off. rolleyes.gif

As I explained in another thread, a fix is unlikely to happen. JVC has a one-trick-pony in their projectors. They know black level is what sells them. Fixing the bright corners would require sacrificing that black level in order to equalize the brightness across the panel. You would basically get the brighter corner black level across the entire screen. That would kill their native contrast numbers so I doubt JVC will ever fully solve this issue. I'm sure there will be "golden samples" here and there with decent uniformity but it won't be the norm. Luckily this problem only manifests itself in very dark scenes with large black backgrounds. I'm glad to hear that the DI at least helps to mask it.
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post #137 of 6384 Old 12-27-2013, 04:16 AM - Thread Starter
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Originally Posted by Qualunquemente View Post

Strange, I found a review reporting 950 lumens ...
http://www.avmagazine.it/forum/80-videoproiettori-lcos-full-hd/240012-nuovi-jvc-2014?p=4056025#post4056025
The two user reports in the rs57 thread show ~540 and ~575...

I wish I had a unit to put under the microscope... Lol.

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post #138 of 6384 Old 12-27-2013, 05:42 AM
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Originally Posted by SOWK View Post

The two user reports in the rs57 thread show ~540 and ~575...

I wish I had a unit to put under the microscope... Lol.

A guy in Germany measured 31 Ftl on a 110" sreen with an X500
http://www.hifi-forum.de/viewthread-94-13130.html



Maybe X series is coming out better then RS series ????
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post #139 of 6384 Old 12-27-2013, 05:53 AM
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Perhaps the dynamic iris was engaged during the testing and it impacted the results, hence the 575 lumens reading?
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post #140 of 6384 Old 12-27-2013, 05:55 AM - Thread Starter
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No way to know till a very in depth review happens.

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post #141 of 6384 Old 12-27-2013, 06:05 AM
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Blurays are HDCP but not the latest HDCP 2.2. The JVC should I believe accept HDMI not however HDCP 2.2. I am just repeating what I think.

Alright guys, this is crap. I thought their whole existence was to phase out component outputs...which they did. So instead of disbanding, which they should've done, they set their sights on something else?Since when did we start updating the freaking HDCP standard? As if HDMI and USB 1.0, 1.1, 1.2, 1.3, 1.4, 2.0, 3.0 wasn't enough? This is just another way for movie studios who also own shares in hardware manufacturers to pad their wallets (Sony, Panasonic, and almost every other manufacturer). We need to figure out how to stop this before it gets (even more) out of hand. Sorry this is OT, but this is the first I've heard of the JVC only accepting "home movie 4K"

There are now enough software options to "circumvent" security measures that I think virtually any BD could be viewed as potential "home movie" material...

Nice job on the initial impressions guys, please keep 'em coming.
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post #142 of 6384 Old 12-27-2013, 06:09 AM
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Quote:
Originally Posted by SOWK View Post

Rs57 owners are reporting max lumens of only 575... Anyone test their rs4910 lumens?

That's just way to low for anyone with a large screen.

Do you really believe that number? I don't.


Added
The poster just came back (RS57 thread) and reported the 575 lumens was in low lamp, not high lamp.
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post #143 of 6384 Old 12-27-2013, 06:11 AM
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Originally Posted by odedia View Post

Perhaps the dynamic iris was engaged during the testing and it impacted the results, hence the 575 lumens reading?

One of the poster did say the DI was on. I think people should wait until some reviewers take solid measurements, because I think you will find that the numbers are much higher.
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post #144 of 6384 Old 12-27-2013, 06:20 AM
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So far we have:

4K will not work. Bright corners. Low lumens output. HDMI handshake issues. Pumping iris.

Hopefully, picture is still warchable...wink.gif I get mine next week...(RS57)
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post #145 of 6384 Old 12-27-2013, 06:30 AM
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Originally Posted by stef2 View Post

So far we have:

4K will not work. Bright corners. Low lumens output. HDMI handshake issues. Pumping iris.

Hopefully, picture is still warchable...wink.gif I get mine next week...(RS57)

If you watch the financial channels, the stock market new is much the same, all bad...but at the end of the year, somehow, everyone made money. (mostly)
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post #146 of 6384 Old 12-27-2013, 06:40 AM
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Quote:
Originally Posted by stef2 View Post

So far we have:

4K will not work. Bright corners. Low lumens output. HDMI handshake issues. Pumping iris.

Hopefully, picture is still warchable...wink.gif I get mine next week...(RS57)

This is what happens, when people jump the gun and make assumptions before enough evidence in there to make a sound decision. The low lumen number reported above for high lamp, was low lamp. The bright corner reported is from one owner. That does not mean all will have a big problem with this. Even the poster that reported the bright corners, is keeping the projector, because he said it was not bad and everything else about the projector was very good.

The poster that had the problem with the projector not completing the HDMI handshake, should unplug the projector for a little while and then try it again.
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post #147 of 6384 Old 12-27-2013, 06:53 AM
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A german chap has measured 1260 max lumens from an rs49. I think we can chill out on lumens drop as surely we can't go backwards with this gen?
E shift also looks very clean with no thick line issue. The pics I seen look similar to eshift 1. Sorry, on my phone so can't link....
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post #148 of 6384 Old 12-27-2013, 06:55 AM
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Oh, and Ekki wilk be doing tests on multiple rs49's.
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post #149 of 6384 Old 12-27-2013, 08:10 AM
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A choice question, if you'd be offered a real RS56 (used and lamp about 100 hours but in almost new condition) still having 1 year warranty for about 4000 Euros against waiting for a new X500 advertized at 4990 Euros, what would be your choice ?

Thanks.
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post #150 of 6384 Old 12-27-2013, 08:31 AM
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Here is some images I found from the AVforum in Europe. It shows E-shift on and off.

Listening with Focal Elex headphones, Topping DSD Dac, SENCUN-audio tube preamp with tone control and Modded Little Dot hybrid tube amp with Voshkod 6ZH1P-EV tubes, Dual Discrete Op-Amp SS3602, and Alps Blue Velvet volume pot.

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