Official JVC RS3000/NX9 - JVC RS2000/NX7/N7 - JVC RS1000/NX5/N5 - Owners Thread - Page 496 - AVS Forum | Home Theater Discussions And Reviews
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post #14851 of 17645 Old 08-14-2019, 02:13 PM
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Originally Posted by jeahrens View Post
No that's true and mixing percentages/decimals with ft. doesn't end up all that accurate in a lot of cases. Just trying to be optimistic. Actually measuring is going to be the best method here. Just hope it works out.
It's one of those situations I don't think optimism has much place - but then my screen was significantly more money than my X7900 new, so there was no 2nd chance option.
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post #14852 of 17645 Old 08-14-2019, 02:38 PM
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Originally Posted by asharma View Post
Thanks, r u able to tell me specifically what pattern that is? (name and under what section) I looked last night but couldn't find it...Thanks again...
oops... I still use the White Clipping Pattern from the HD set, not the UHD set.

The similar pattern is in:
01 Basic Setup Patterns
05 White Clipping
03 White Clipping 80-100%
It has what you need, unless you want to check light fall off at the 4 corners.
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post #14853 of 17645 Old 08-14-2019, 02:52 PM
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Originally Posted by wwtech View Post
oops... I still use the White Clipping Pattern from the HD set, not the UHD set.

The similar pattern is in:
01 Basic Setup Patterns
05 White Clipping
03 White Clipping 80-100%
It has what you need, unless you want to check light fall off at the 4 corners.
Thanks, found it...getting about 100 nits...

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post #14854 of 17645 Old 08-14-2019, 02:54 PM
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Panny 820 Dynamic Range slider

Hi folks

For anyone using an N5/7/9 and a Panny 820/9000 with HD Optimizer ON, what r u finding u can move the dynamic range adjuster to before raising black floor? +2, +3? Thanks folks

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post #14855 of 17645 Old 08-14-2019, 06:44 PM
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Originally Posted by Ikemi View Post
Hi guys,

On my rs2000 I’m getting three or so defined white lines curved not quite semi circular that stand out on white backgrounds like clouds. Don’t see it on black background or when pic has color. Any ideas what this might be and is it something I need to be concerned about. Thanks!

Ron
Well your bringing it to our attention so I would say its concerning you and that is all that matters. I am assuming that is in all content? The bottom line is you are still within the warranty I would guess so if you want to use your unit and see what happens you have plenty of time. If you want to call JVC about it, you can, which might lead to an exchange if you are in the USA. Uniformity issues are present in all display devises, it can be worse, could be better. Its a roll of the dice and that's the scary part.
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post #14856 of 17645 Old 08-14-2019, 07:07 PM
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I’m thinking of buying an NX7, but read a review that mentioned its upscaling left a bit to be desired. I watch a fair bit of sports and TV shows on the xfinity X1 platform on my Sony HW55es. Will the NX7 not perform well in this situation?
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post #14857 of 17645 Old 08-14-2019, 07:23 PM
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Originally Posted by TL5 View Post
I’️m thinking of buying an NX7, but read a review that mentioned its upscaling left a bit to be desired. I watch a fair bit of sports and TV shows on the xfinity X1 platform on my Sony HW55es. Will the NX7 not perform well in this situation?
I have the NX7 and beside movies, the only tv I watch is sport. I can confirm that the NX7 have no problem at all with tv upscaling. Something better do exist I agree, but the upscaling on the JVC is not weak in any way,

Before the JVC I was using a Sony 885. Sony is supposed to have one of the best scaling and the difference between the Sony and JVC for sport viewing are very minor. A poor signal is a poor signal even the best scaler cannot do miracle.

Until TV signal get better we would have to live with that, but for your movies watching you will be in heaven because the JVC NX7 perform really well.
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post #14858 of 17645 Old 08-15-2019, 04:46 AM
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Originally Posted by Cleveland Plasma View Post
Well your bringing it to our attention so I would say its concerning you and that is all that matters. I am assuming that is in all content? The bottom line is you are still within the warranty I would guess so if you want to use your unit and see what happens you have plenty of time. If you want to call JVC about it, you can, which might lead to an exchange if you are in the USA. Uniformity issues are present in all display devises, it can be worse, could be better. Its a roll of the dice and that's the scary part.
Thanks Cleveland for the thoughts. The thing is though, as I understand it, I don’t think it’s a uniformity problem——it’s actually three distinct clear white lines that show up (wish it were clearer in my pic, sorry) almost as though something in light path causes that pattern just on that one small part of screen. Otherwise I think my white and color field uniformity is pretty good. My dealer is coming to finish off a bit of work on my installation so I guess I will show him and go from there. Thanks again for your opinion on this.

Ron
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post #14859 of 17645 Old 08-15-2019, 05:39 AM
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Quote:
Originally Posted by Ikemi View Post
Hi guys,

Quick question—- on my rs2000 I’m getting three or so defined white lines curved not quite semi circular that stand out on white backgrounds like clouds. Don’t see it on black background or when pic has color. Sorry don’t have pics of it right now. Any ideas what this could be and should I worry about it i.e. ask dealer for replacement projector——everything else seems to be working fine so far. Thanks.

Ron
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post #14860 of 17645 Old 08-15-2019, 05:43 AM
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Quote:
Originally Posted by Ikemi View Post
Hi guys,

On my rs2000 I’m getting three or so defined white lines curved not quite semi circular that stand out on white backgrounds like clouds. Don’t see it on black background or when pic has color. Any ideas what this might be and is it something I need to be concerned about. Thanks!

Ron
I see like 4 or 5 lines in your photo. Its almost like some lens reflection (the lens is round). Is that centered on where your lens hits the screen? Is your lens dirty at all?

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post #14861 of 17645 Old 08-15-2019, 05:48 AM
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Originally Posted by TL5 View Post
I’m thinking of buying an NX7, but read a review that mentioned its upscaling left a bit to be desired. I watch a fair bit of sports and TV shows on the xfinity X1 platform on my Sony HW55es. Will the NX7 not perform well in this situation?
NVC's upscaler isn't terrible. It's just standard. That content will look "fine". It won't look 4K. I didn't think Sony's upscaler was any good either. I liked its reality creation processing but never thought it upscaled 1080p content to take on any aspects of 4K. A good upscaler can make 1080p content look a lot like 4K. So far, the only "good" upscaler I've ever seen is madVR's A/I Neural network trained upscaler.

Video: JVC RS4500 135" screen in pure black room no light, htpc nvidia 1080ti.
Audio: Anthem mrx720 running 7.1.4, McIntosh MC-303, MC-152, B&W 802d3 LR, B&W HTM1D3 center, B&W 805d3 surround, B&W 702S2 rear, B&W 706s2 x 4 shelf mounted for atmos, 2 sub arrays both infinite baffle: 4x15 fi audio running on behringer ep4000 + 4x12 fi audio running on 2nd ep4000.
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post #14862 of 17645 Old 08-15-2019, 06:11 AM
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Quote:
Originally Posted by asharma View Post
Hi folks

For anyone using an N5/7/9 and a Panny 820/9000 with HD Optimizer ON, what r u finding u can move the dynamic range adjuster to before raising black floor? +2, +3? Thanks folks

Any input would be appreciated folks...Thanks kindly

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post #14863 of 17645 Old 08-15-2019, 09:26 AM
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Originally Posted by asharma View Post
Any input would be appreciated folks...Thanks kindly
The Dynamic Range Adjustment control does not touch the black level at all. See the measurements from Stacey Spears:
https://www.avsforum.com/forum/139-d...l#post58417332
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post #14864 of 17645 Old 08-15-2019, 10:04 AM
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Hi all, whar is the input lag on n7/nx7 with cmd?? I hve tried to search the thread without luck.
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post #14865 of 17645 Old 08-15-2019, 10:23 AM
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Originally Posted by Dominic Chan View Post
The Dynamic Range Adjustment control does not touch the black level at all. See the measurements from Stacey Spears:
https://www.avsforum.com/forum/139-d...l#post58417332
Thanks buddy...wholly crap...tooooo technical for me...what I found was as I adjusted the Dynamic range slider on the Panny 820, the black level rose around 3 or 4 as bar 68 became more visible...I have my JVC brightness set to -2 and contrast set to 7 (clips at 1000 nits according to R.Masciola patterns)...

Does any of this “sound” right?

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post #14866 of 17645 Old 08-15-2019, 11:11 AM
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Originally Posted by markmon1 View Post
I see like 4 or 5 lines in your photo. Its almost like some lens reflection (the lens is round). Is that centered on where your lens hits the screen? Is your lens dirty at all?
Hi markmon

I too thought it looked like a lens reflection. Can’t tell just looking at the outer lens if it’s dirty or not. Everyone says to avoid cleaning outer lens if at all possible so I have avoided that so far. Do you think it would be worth giving the lens a cleaning and how would you suggest doing that safely. Thanks!

Ron
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post #14867 of 17645 Old 08-15-2019, 11:28 AM
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Originally Posted by Ikemi View Post
Hi markmon

I too thought it looked like a lens reflection. Can’t tell just looking at the outer lens if it’s dirty or not. Everyone says to avoid cleaning outer lens if at all possible so I have avoided that so far. Do you think it would be worth giving the lens a cleaning and how would you suggest doing that safely. Thanks!

Ron
Did you confirm that it isn’t your screen? You probably did, but if you haven’t I’d recommend confirming that first before additional troubleshooting.

If you can pause an image that shows the issue, try flipping and/or inverting the image. That might help clarify if it is something in the lens (which shouldn’t change) or something in the image itself.
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post #14868 of 17645 Old 08-15-2019, 11:32 AM
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Quote:
Originally Posted by asharma View Post
Thanks buddy...wholly crap...tooooo technical for me...what I found was as I adjusted the Dynamic range slider on the Panny 820, the black level rose around 3 or 4 as bar 68 became more visible...I have my JVC brightness set to -2 and contrast set to 7 (clips at 1000 nits according to R.Masciola patterns)...

Does any of this “sound” right?
Level 68 becoming more visible is not unexpected when you increase D.R.A. I was replying to your original question, i.e., D.R.A. should not “raise black floor” which is level 64.
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post #14869 of 17645 Old 08-15-2019, 11:35 AM
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Originally Posted by seanbryan View Post
Did you confirm that it isn’t your screen? You probably did, but if you haven’t I’d recommend confirming that first before additional troubleshooting.

If you can pause an image that shows the issue, try flipping and/or inverting the image. That might help clarify if it is something in the lens (which shouldn’t change) or something in the image itself.
Thanks for the input. I’m a newbie so just to confirm, how do I check if it’s a screen issue or not. Also, I’m not quite following the flip the image suggestion. Thanks

Ron
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post #14870 of 17645 Old 08-15-2019, 11:37 AM
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Originally Posted by Dominic Chan View Post
Level 68 becoming more visible is not unexpected when you increase D.R.A. I was replying to your original question, i.e., D.R.A. should not “raise black floor” which is level 64.
Thanks Dom...so as long as 64 doesn’t increase I’m ok to raise the DRA slider on the 820? Does the fact 68 is increasing have any negative implications?

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post #14871 of 17645 Old 08-15-2019, 11:52 AM
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Originally Posted by asharma View Post
Does the fact 68 is increasing have any negative implications?
What kind of "negative" implications? The whole point in the DRA is to increase the values so that the image becomes brighter, at the same time not raising black or clipping the highlights (unlike the Brightness and Contrast controls).
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post #14872 of 17645 Old 08-15-2019, 11:55 AM
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Quote:
Originally Posted by asharma View Post
Any input would be appreciated folks...Thanks kindly
I use the following:

NX7:
BT2020 color
Contrast +1
Brightness -3
HDR (PQ) gamma - overall mapping at 3

Panasonic UB820:
Basic Luminance LCD/Projector
HDR/2020
HDR Optimizer - Brightness -1

For Disney titles (no metadata):
HDR Optimizer - +3-5 overall, Brightness -3
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post #14873 of 17645 Old 08-15-2019, 12:00 PM
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Originally Posted by Dominic Chan View Post
What kind of "negative" implications? The whole point in the DRA is to increase the values so that the image becomes brighter, at the same time not raising black or clipping the highlights (unlike the Brightness and Contrast controls).
Ok, got it...I’ll play with it tonight...I just can’t imagine raising DRA a few notches w/o sacrificing inky blacks, but I’ll give it a try...

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post #14874 of 17645 Old 08-15-2019, 12:04 PM
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Quote:
Originally Posted by jeahrens View Post
I use the following:

NX7:
BT2020 color
Contrast +1
Brightness -3
HDR (PQ) gamma - overall mapping at 3

Panasonic UB820:
Basic Luminance LCD/Projector
HDR/2020
HDR Optimizer - Brightness -1

For Disney titles (no metadata):
HDR Optimizer - +3-5 overall, Brightness -3
When u say HDR optimizer +3-5 u mean DRA +3-5? I ask because I thought HDR optimizer is just on or off...thanks

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post #14875 of 17645 Old 08-15-2019, 12:14 PM
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Originally Posted by asharma View Post
When u say HDR optimizer +3-5 u mean DRA +3-5? I ask because I thought HDR optimizer is just on or off...thanks
The first overall slider in the HDR optimizer screen on the Panny. I don't have it or a screenshot handy to recall the name.


Last edited by jeahrens; 08-15-2019 at 12:18 PM.
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post #14876 of 17645 Old 08-15-2019, 12:23 PM
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Quote:
Originally Posted by Ikemi View Post
Thanks for the input. I’m a newbie so just to confirm, how do I check if it’s a screen issue or not. Also, I’m not quite following the flip the image suggestion. Thanks

Ron
There’s a couple of ways you can check to make sure it isn’t your screen. The simplest is probably to pause the video with the lines showing and then hold up a pice of smooth white paper on the screen where the lines are. If this was being caused by your screen then the lines wouldn’t show on the paper. If you see it on the paper then you know it’s not the screen.

You could also use the lens shift when the image is paused to see if the lines stay in place or move as you move the image.


By flipping or inverting the image I’m referring to the settings you would adjust depending on if you were mounting on the ceiling or shelf, or using a front projection or rear projection setup. I’m not sure if the exact name or location of those options without having the menu in front of me. But my logic there is that you are seeing several curved lines. From the picture you posted they kind of looked like ))), right? So if you flip the image (as if you were setting up for rear projection) you might be able to tell if this was in the lens or imaging system. I would think that if it was something with the lens, then flipping the image should have no impact of the appearance of the lines. The ))) would still look like ))). But if you flip the image and the ))) now looks like ((( then that would tell you what you are seeing is something in the image.

That won’t necessarily give you an answer, but it might help better define what you are seeing.
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post #14877 of 17645 Old 08-15-2019, 12:31 PM
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Originally Posted by jeahrens View Post
The first overall slider in the HDR optimizer screen on the Panny. I don't have it or a screenshot handy to recall the name.
Thanks, got it...it’s the DRA...

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post #14878 of 17645 Old 08-15-2019, 12:42 PM
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Originally Posted by asharma View Post
Thanks, got it...it’s the DRA...
Cool (sorry my memory was failing me). Let us know how it looks! The brightness -3 on the JVC seems sample dependent so just play with it until you start clipping black (some report -2).

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post #14879 of 17645 Old 08-15-2019, 12:44 PM
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Originally Posted by Dominic Chan View Post
What kind of "negative" implications? The whole point in the DRA is to increase the values so that the image becomes brighter, at the same time not raising black or clipping the highlights (unlike the Brightness and Contrast controls).
Just wanted to add, for non technical folks like me and w/o the tools, there are an array of adjustments on the Panny 820 (all the settings under the HDR optimizer section) and on the JVC besides normal contrast brightness etc there is the auto tone mapping and associated picture tone, dark level etc...toooooo many options for the non technically inclined...do the calibrator like Kris and Chad use ALL these options?

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post #14880 of 17645 Old 08-15-2019, 12:50 PM
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Originally Posted by asharma View Post
Just wanted to add, for non technical folks like me and w/o the tools, there are an array of adjustments on the Panny 820 (all the settings under the HDR optimizer section) and on the JVC besides normal contrast brightness etc there is the auto tone mapping and associated picture tone, dark level etc...toooooo many options for the non technically inclined...do the calibrator like Kris and Chad use ALL these options?
So for titles with metadata, once you get the base settings right it will look good. Auto-tonemapping kicks in and you're set.

The controls under the HDR optimizer and the JVC tone controls really only need to be monkeyed with when the disc lacks metadata (like most all Disney titles). Which is why I put in the suggested settings for Disney. I find the Panasonic HDR optimizer easier to dial in so I use it to deal with these titles and leave the JVC controls alone.

Calibrators will dial in the base gamma and color profiles which the tone controls rely on. But the tone controls themselves still need to be adjusted when a title lacks the proper metadata even after calibration.
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