Official JVC RS3000/NX9 - JVC RS2000/NX7/N7 - JVC RS1000/NX5/N5 - Owners Thread - Page 196 - AVS Forum | Home Theater Discussions And Reviews
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post #5851 of 14018 Old 02-15-2019, 09:50 PM
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Originally Posted by Cine4Home View Post
OK I have the exact same phenomenon with my N5 (see attachment).

What is going on here???

Hi Ekki, can you post some test patern where we can check it if our projector are affected too?


Thank you
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post #5852 of 14018 Old 02-15-2019, 09:58 PM
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Originally Posted by chriscic View Post
Can someone tell me how to get PC at 4k resolution? It just shows as a generic monitor in Windows and max res of 1080.
Right click on the desktop -> Display Settings and see if the other resolutions are listed in the slider. My Surface Laptop 2 also defaulted to 1920x1080 for some reason, but 3840x2160 and 4096x2160 were also listed and displayed perfectly. If using a DisplayPort to HDMI adapter, ensure it supports 4k - the first one I used maxed out at 1920x1200.
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post #5853 of 14018 Old 02-15-2019, 10:31 PM
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Originally Posted by docrog View Post
Happy to report that the free bulb for my NX7 arrived safely, less than 2 weeks after I mailed the form. The bulb is the correct model (PK-L2618UW) and is undamaged (externally) on visual examination.
Do JVC let you know (via the email address you supply on the promo form) when they have received the form or shipped the lamp? With the Seattle Snowmagedden approaching I sent mine Priority so that it had tracking and saw they received it. Plenty of window left, just wondering if it just turns up out of the blue.
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post #5854 of 14018 Old 02-15-2019, 10:33 PM
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Anybody know what the minimum throw would be for a 100" screen for the NX7?

65" Sony A9F
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post #5855 of 14018 Old 02-15-2019, 10:39 PM
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Originally Posted by tommarra View Post
Tried both. Increasing the brightness or changing the gamma had no impact whatsoever in the yellowing .

This was at a 5%ADL pattern


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Ok thank you for testing. I actually thought there'd be some difference here. I think on my RS640 there would have been.

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post #5856 of 14018 Old 02-15-2019, 10:44 PM
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Originally Posted by Cine4Home View Post
OK I have the exact same phenomenon with my N5 (see attachment).

What is going on here???
This is not new...

Here is my 9500...




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post #5857 of 14018 Old 02-15-2019, 10:49 PM
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post #5858 of 14018 Old 02-15-2019, 10:52 PM
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Originally Posted by ScottSFA View Post
Anybody know what the minimum throw would be for a 100" screen for the NX7?
for 16x9 looks like 9 feet 8 inches or so.

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post #5859 of 14018 Old 02-15-2019, 11:00 PM
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Originally Posted by Javs View Post
This is not new...

Here is my 9500...
Exactly. It isn't new. I had this on two X5000 an the X9500. It is absolutely annoying.

For example: I can see the oppo screensaver chase its reflection on screen or end titles moving in the other direction on the right side on my screen.
I was just hoping it would be less with the new series.

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post #5860 of 14018 Old 02-16-2019, 12:10 AM
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Originally Posted by dlinsley View Post
Do JVC let you know (via the email address you supply on the promo form) when they have received the form or shipped the lamp? With the Seattle Snowmagedden approaching I sent mine Priority so that it had tracking and saw they received it. Plenty of window left, just wondering if it just turns up out of the blue.
Telephone conversations (initiated by JVC) were necessary in my case because there initially was a misunderstanding as to whether my dealer an authorized JVC seller, a condition required for the free lamp. Paperwork was subsequently found which verified his authorized status. I was then able to verify that the lamp had been approved and was to be sent by a certain date. I never received a tracking number or further email correspondence prior to the lamp's arrival. Telephone interactions with the JVC representative were extremely cordial and there was an obvious intent on JVC's part to fulfill their responsibility. My situation was probably not representative of other purchasers, so I can't speak to the routine handling of this process. FYI, when asked, I was told that "around a dozen" free lamp forms had been received before mine.
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post #5861 of 14018 Old 02-16-2019, 12:29 AM
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Originally Posted by KarlKlammer View Post
Exactly. It isn't new. I had this on two X5000 an the X9500. It is absolutely annoying.

For example: I can see the oppo screensaver chase its reflection on screen or end titles moving in the other direction on the right side on my screen.
I was just hoping it would be less with the new series.
The N5 here has not only the reflections, but horizontal streaking and much more (see above the grey ramp)

With my N5, you can see reflections in movie content too.
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post #5862 of 14018 Old 02-16-2019, 12:37 AM
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Originally Posted by beastaudio View Post
I'd love your explanation to this... If you are anywhere further away than minimum throw, the Isco is essentially the benchmark...
Way less distortion with the dcr on my set up. Easier set up and installation. Optics on the dcr are also excellent. I feel like there is more light output using the dcr too. But there is no way to confirm it.
I sold my old rs500 and Isco while I await for the rs3000. My dealer provided a temporary...rs500 unit again. I have about 10% more light now but this could be due to unit variance.
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post #5863 of 14018 Old 02-16-2019, 12:55 AM
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Originally Posted by Cine4Home View Post
The N5 here has not only the reflections, but horizontal streaking and much more (see above the grey ramp)

With my N5, you can see reflections in movie content too.
With my X9500 I get to see streaking and reflections.
It's quite ugly when I see bright elements from the middle of the screen reflected in the top right of the cinemascope bars.

If you have a really bad unit you get to see all kinds of things: streaking, reflections or some odd kind of "waffle pattern".
I rejected this unit (X5000), because it had a combination of all of the above.
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post #5864 of 14018 Old 02-16-2019, 01:02 AM
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Originally Posted by loggeo View Post
At times, it feels like talking about 2 different companies. JVC USA with great customer support, free lamp for users, priority on deliveries.

And then there is JVC Europe. We have no idea when we will receive our projectors, despite having ordered them since September, mediocre QC, higher prices, no free lamp for no apparent reason.

It feels like we don't matter as customers.
I have been promised a lamp from my dealer. From JVC that is. Ordered in Oct. But no specific date though.

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post #5865 of 14018 Old 02-16-2019, 01:19 AM
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Originally Posted by KarlKlammer View Post
With my X9500 I get to see streaking and reflections.
It's quite ugly when I see bright elements from the middle of the screen reflected in the top right of the cinemascope bars.

If you have a really bad unit you get to see all kinds of things: streaking, reflections or some odd kind of "waffle pattern".
I rejected this unit (X5000), because it had a combination of all of the above.
I use a projector lift. That makes me capable of trying different angles and lens shift positions to eliminate the phenomenon. While i was able to reduce streaking, there was no chance i could make it go away with any of the two rs500 units I tried.
My older x700 was almost perfect though.
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post #5866 of 14018 Old 02-16-2019, 01:22 AM
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Originally Posted by Drem View Post
I have been promised a lamp from my dealer. From JVC that is. Ordered in Oct. But no specific date though.

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That's interesting, so it's not just US & Canada then,


would be very interested to hear if the UK was also eligible, if so, it could finally persuade me to be an early adopter of an N7


Arrow (Nigel), any idea here?


cheers
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post #5867 of 14018 Old 02-16-2019, 01:30 AM
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Originally Posted by mickb1965 View Post
That's interesting, so it's not just US & Canada then,


would be very interested to hear if the UK was also eligible, if so, it could finally persuade me to be an early adopter of an N7


Arrow (Nigel), any idea here?


cheers
I think this is something that the dealer offered and not jvc Europe.
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post #5868 of 14018 Old 02-16-2019, 01:32 AM
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I use a projector lift. That makes me capable of trying different angles and lens shift positions to eliminate the phenomenon. While i was able to reduce streaking, there was no chance i could make it go away with any of the two rs500 units I tried.
My older x700 was almost perfect though.
My X9500 stands on a shelf and projects about 50cm to the right/top off the middle of the screen. Interestingly I also have a static reflection outside of my screen, which I get rid of by physically masking it in front of the lens.
If I should make a guess I would say there is light being reflected by some of the lenses back onto the panels and then plays pingpong in the light engine.

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post #5869 of 14018 Old 02-16-2019, 02:24 AM - Thread Starter
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Originally Posted by Javs View Post
This is not new...

Here is my 9500...

Spoiler!
Well there's your answer as to why your X9500 unit is measuring low ANSI... not only due to dust in the light engine methinks

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post #5870 of 14018 Old 02-16-2019, 02:29 AM
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Well there's your answer as to why your X9500 unit is measuring low ANSI... not only due to dust in the light engine methinks



Its both that and dust blob. I've otherwise measured 220:1 in an area less affected. It seems it's heaps affected by lens shift too as per Ekkis video. You could probably shift the issue out of view. Dead centre is probably the worst. Looks like shelf mount down low or ceiling mount very high would be best

I'm just saying you guys are highlighting things that have been there for generations. Its not a defect. Well, it is, but it would affect almost all of them.

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post #5871 of 14018 Old 02-16-2019, 02:45 AM
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Originally Posted by Javs View Post
This is not new...

Here is my 9500...
I agree. I had a HD350 (RS10) that did the same thing when I mounted it so I could have the vertical lens shift in the middle. I ended up moving it higher and applying some lens shift and the 'ghosting' moved off the screen. A compromise between (arguably) having the sharper image or a defect I could see from my viewing seat, so I chose removing the defect. Since then I've mounted my JVCs high up so I've not seen the issue (X35/X500/X7500).

I also think it was made worse with having the aperture set towards the closed end.
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post #5872 of 14018 Old 02-16-2019, 02:54 AM
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Originally Posted by loggeo View Post
I think this is something that the dealer offered and not jvc Europe.
I asked specifically about it and dealer said the lamp is on JVCs initiation. Haven't heard anything more, other than I asked him to confirm this after I got the N7 replacement last week. And it's still a go according to him. I'll believe it when I see the lamp for myself

EDIT: To clarify, this is not actually the "dealer", but the Swedish distributor of these JVC projectors.

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post #5873 of 14018 Old 02-16-2019, 03:28 AM
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I agree. I had a HD350 (RS10) that did the same thing when I mounted it so I could have the vertical lens shift in the middle. I ended up moving it higher and applying some lens shift and the 'ghosting' moved off the screen. A compromise between (arguably) having the sharper image or a defect I could see from my viewing seat, so I chose removing the defect. Since then I've mounted my JVCs high up so I've not seen the issue (X35/X500/X7500).



I also think it was made worse with having the aperture set towards the closed end.
Something I worry about is affecting the efficacy of screen gain though from projecting off axis so to speak.

I completely agree it would be nice if this wasn't there. Oddly I've heard the Z1 is not affected. I wonder why.

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post #5874 of 14018 Old 02-16-2019, 03:54 AM - Thread Starter
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Originally Posted by Javs View Post
Yep. My 9500 ghosting moves around with lens shift too. Also just watched Cine4homes video on how it was moving around with lens shift, honestly, mine does the same thing.

It was interesting he could use an amount of lens shift so it more or less eradicated it, Might even have a think about using the higher shelf for my JVC, it may very well help even more with that.

Also some people such as Seegs on another forum reported NO lens reflection issues, so perhaps mounting angle and such plays a huge role.

Its a catch 22. When I build a new house I was going to go up to something like 165" diagonal 16:9, and was hoping to mount the PJ much more on center to maximise screen gain and the viewing cone being the most efficient, seems this might induce even more ghosting.

Obviously its something I wish we didnt have to deal with, but I dont think this is something fixable in the short term, it seems to me they have had this issue for a long time.
Yup. All the JVC projectors I have tested have exactly the same ghosting, albeit to varying degrees of severity / magnitude; and this includes the JVC RS4500/Z1

Clearly such internal reflections and light scatter within the optical block and lens are a pre-existing characteristic of the JVC projectors in general, which would explain why they typically all measure lower ANSI contrast as compared with the SONYs which have considerably less such internal reflections and light scatter

Something which clearly has room for improvement should JVC feel so inclined as to invest R&D resources into reducing such internal reflections and light scatter within the optical block and lens

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Originally Posted by Javs View Post
Something I worry about is affecting the efficacy of screen gain though from projecting off axis so to speak.

I completely agree it would be nice if this wasn't there. Oddly I've heard the Z1 is not affected. I wonder why.
Not true. The brand new JVC RS4500/Z1 that I have here behaves precisely the same way, albeit the severity is less as compared with the lesser models

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post #5875 of 14018 Old 02-16-2019, 04:38 AM - Thread Starter
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Originally Posted by Javs View Post
Its both that and dust blob. I've otherwise measured 220:1 in an area less affected. It seems it's heaps affected by lens shift too as per Ekkis video. You could probably shift the issue out of view. Dead centre is probably the worst. Looks like shelf mount down low or ceiling mount very high would be best
That's a double-edged sword though...

Whilst you might improve the ghosting by using a lot more vertical lens shift, you would be potentially worsening the image due to the worsening the RGB convergence, as well as focus uniformity / smearing / streaking / flaring etc., which transpires as a consequence of significantly increasing the lens shift. So we need to be careful to weigh up both the postives and negatives of using large amounts of lens shift, and whether the overall net video performance with actual video content is better or worse.

Where I think you will be more likely to see a degradation with video content with worsened RGB convergence plus worse focus uniformity / smearing / streaking / flaring etc. than you will with respect to ghosting that is hardly visible with test patterns and let alone actual video content. So it boils down to how bad is the ghosting and whether or not you can see it with video content.

With the JVC RS4500/Z1 I have here you can only really see the phenomenon when looking at the lens itself, because with the test patterns you can hardly see the ghosting if at all, and no way will this show up in actual video content. Whereas, Ekki is reporting that with respect to his N5 it is so bad that you can very much see it with video content.

So as long as you cannot see it with actual video content then I think you are better off not jacking up the vertical lens shift to get rid of the ghosting. Where in such instances really the only negative impact is with respect to the higher ADL contrast peformance being lower, including ANSI (50% ADL), as compared with other makes and models of projectors that have less internal reflections and light scatter within the optical block and lens

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I'm just saying you guys are highlighting things that have been there for generations. Its not a defect. Well, it is, but it would affect almost all of them.
Yes, I agree that this is clearly a pre-existing issue that currently affects all JVC projectors, which is clearly why they typically measure lower ANSI versus other makes and models of projectors that have much less internal reflections and light scatter.

JVC has now confirmed that my RS2000/N7 is definitely defective; however, they are going to meet with me next Thursday and we will evaluate my initial JVC RS3000/NX9 unit together. Wherein, the primary issue I have with it is that the ghosting is so severe to the extent that the contrast is measuring below what I consider should be acceptable tolerance range, in that the ANSI measures only 150:1. So it is going to be interesting to see whether JVC accepts this as being a defective unit or comes back stating that this is within the expected range...

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post #5876 of 14018 Old 02-16-2019, 04:54 AM - Thread Starter
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Originally Posted by Cine4Home View Post
The N5 here has not only the reflections, but horizontal streaking and much more (see above the grey ramp)

With my N5, you can see reflections in movie content too.
Personally, given the unit is that bad I would definitely reject it and RMA it to JVC...


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post #5877 of 14018 Old 02-16-2019, 06:01 AM
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Originally Posted by ARROW-AV View Post

JVC has now confirmed that my RS2000/N7 is definitely defective; however, they are going to meet with me next Thursday and we will evaluate my initial JVC RS3000/NX9 unit together. Wherein, the primary issue I have with it is that the ghosting is so severe to the extent that the contrast is measuring below what I consider should be acceptable tolerance range, in that the ANSI measures only 150:1. So it is going to be interesting to see whether JVC accepts this as being a defective unit or comes back stating that this is within the expected range...

Hope they replace your NX9. What will you do if the say it’s within spec?

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However, JVC has reassured me that despite the shortage whilst production catches up with the overwhelming demand, that I will be receiving brand new replacement units in circa 21 days' time; which personally I am very happy about all things considered.
What changed from JVC agreeing to replace both after seeing the units to now having to have a meeting with you.

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The problem is my RS3000/NX9 is also defective and in more ways than one, and as such I really don't consider it appropriate to use it for such comparison purposes.

Will the comparison no longer happen?
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post #5878 of 14018 Old 02-16-2019, 06:13 AM
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Originally Posted by ARROW-AV View Post

With the JVC RS4500/Z1 I have here you can only really see the phenomenon when looking at the lens itself, because with the test patterns you can hardly see the ghosting if at all, and no way will this show up in actual video content. Whereas, Ekki is reporting that with respect to his N5 it is so bad that you can very much see it with video content.
I guess a large part of the reason you see it less is just because you have much lower native contrast on the Z1. For a given patch size and white level on the Z1 the black floor is much higher due to the panel setups, hence you'll see it less...?
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post #5879 of 14018 Old 02-16-2019, 06:23 AM
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Originally Posted by rak306 View Post
I believe that aniv stated that the internal styrofoam was not damaged (and many JVC projectors have arrived with damaged styrofoam). So it couldn't have been too strong a blow. But that is really besides the point. The main point I would make is that package is too large/heavy for a typical UPS/Fedex driver.
JVC projectors, shipped freight on a pallet and wrapped in shrink wrap, have randomly had projectors with cracked foam and others not. I think the vibration from the ship or plane can cause the foam to get cracked. So, cracked foam could mean the projector was dropped, but not always.

UPS and Fedex set the size and weight of the packages they can handle. As long as you are within those restrictions, UPS and Fedex have a responsibility to handle the packages responsibly and safely. Also for larger packages like this, UPS and Fedex drives are supposed to have a two wheeled dolly. I get large projectors shipped to me often times. My UPS driver uses a two wheeled dolly for the larger projectors and he is a pretty big guy.
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post #5880 of 14018 Old 02-16-2019, 07:11 AM
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Originally Posted by ScottSFA View Post
Anybody know what the minimum throw would be for a 100" screen for the NX7?
I assume you are talking 100" diagonal 16:9. The minimum throw is 10'-5" and max is 21'-4". But allow a little bit extra.
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