Official JVC RS3000/NX9 - JVC RS2000/NX7/N7 - JVC RS1000/NX5/N5 - Owners Thread - Page 51 - AVS Forum | Home Theater Discussions And Reviews
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post #1501 of 14018 Old 01-12-2019, 07:00 PM
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Quote:
Originally Posted by Wizziwig View Post
Sorry I missed your post. This thread moves faster than I can read it.

Take the first 2 digits of the serial number and subtract 5. This is your month.
Take the 3rd digit of the serial number and subtract 5. Numbers below 0 wrap around so you can also add 5 instead. This is last digit of year.

So for example, Dj Dee reported his unit as:

"15347**** is the 4 first.
Is from the batch 10. 2018"

Month = 15-5 = 10 or October.
Year = 3+5 = 8 or 2018.

The remaining numbers in serial usually have a letter followed by number that indicates order of the units during that month. 0001 would be first unit produced that month.



See above. Hope that helps.
Do we know what Arrows serial number is?
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post #1502 of 14018 Old 01-12-2019, 07:05 PM
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Originally Posted by wombats View Post
So... now we're in a situation where without having our own equipment to verify contrast numbers, there's no way to know if our machines are operating at advertised specs without eyeballing it. Very difficult situation for us typical consumers; especially those of us without well-trained eyes.
I was thinking the same thing.
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post #1503 of 14018 Old 01-12-2019, 07:05 PM
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Originally Posted by wombats View Post
So... now we're in a situation where without having our own equipment to verify contrast numbers, there's no way to know if our machines are operating at advertised specs without eyeballing it. Very difficult situation for us typical consumers; especially those of us without well-trained eyes. It makes me wonder how common it is for things like this to happen with other products as well. How often do people buy lemons and just don't know any better? Or even more scary, how many times have I bought lemons and not known any better?
With a $250 meter like the X-Rite i1Display Pro + a free software like HCFR or a paid software like Calman Home Enthusiast ($359) or Chroma Pure ($200) you can take measurements and calibrate your projector. I think anybody buying a $7K projector or display these days, should have at least a decent colorimeter to quick check your display/projector and know for sure if you got a good sample or a lemon.

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post #1504 of 14018 Old 01-12-2019, 07:07 PM
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Originally Posted by markmon1 View Post
Yes





Yes absolutely.





On the 820, it tone maps HDR-->SDR so you'd want to treat the incoming stream as SDR disabling HDR in the panasonic.


Make my brain work here. Why would you disable HDR in the Panasonic as opposed to the JVC?
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post #1505 of 14018 Old 01-12-2019, 07:08 PM
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Originally Posted by Mike Garrett View Post
Because the chart was provided by Cine4home and he told us he combined Arrows NX9 measurements with Projection Dreams measurements of a Sony. See post 860.
https://www.avsforum.com/forum/24-di...l#post57414068

Added
Also I have seen trusted 995 measurements that did not beat the JVC 1% or 2%, but did beat the JVC at 3% and up, though they were close until 20%. But once again we are not talking about measurements from the same person and that is what we need to see.
This is why I specifically referenced Arrows post where he claimed to have measured both Sony and JVC ADL. I think we can agree there is only one Arrow-AV and I assume he measured them under similar test conditions.

Nothing to do with anything posted or measured by Cine4Home or Projectiondream. I agree we can't directly compare their data with Arrows.

Waiting to see what Arrow comes up with for the newer Sony models.
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post #1506 of 14018 Old 01-12-2019, 07:09 PM
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Official JVC RS3000/NX9 - JVC RS2000/NX7/N7 - JVC RS1000/NX5/N5 - Owners Thread

Quote:
Originally Posted by DennisLJacob View Post
Do we know what Arrows serial number is?


Arrows was an October model, yes?

So far we’ve seen October models and December models.

Hmmm - if DJs is a December model and Arrows an October model...then that could explain the differences in their numbers.

Maybe JVC did something there.
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post #1507 of 14018 Old 01-12-2019, 07:16 PM
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Quote:
Originally Posted by Highjinx View Post
Quote:
Originally Posted by Dj Dee View Post
The e-shift can have something to do with it. But no guaranty. Talk then about the blooming and my streaking.


After the V1.17 update the native contrast dropt at iris fully open. But -7 and -15 went up.
Ansi contrast stabile at 249-250:1
This is fascinating, why would soft/firmware affect if the panels are off or on, ie blocking as much light or reflecting as much light possible.

Any theories?
Actually not. I don’t understand, and have no answer.

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post #1508 of 14018 Old 01-12-2019, 07:18 PM
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Quote:
Originally Posted by ScottieBoysName View Post
Quote:
Originally Posted by DennisLJacob View Post
Do we know what Arrows serial number is?


Arrows was an October model, yes?

So far we’ve seen October models and December models.

Hmmm - if DJs is a December model and Arrows an October model...then that could explain the differences in their numbers.

Maybe JVC did something there.
Mine also October

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post #1509 of 14018 Old 01-12-2019, 07:21 PM
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Originally Posted by Dj Dee View Post
Mine also October


Well crap. You shot a hole in that theory. Someone is a December. I remember seeing it. I wish we could see numbers from that unit.
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post #1510 of 14018 Old 01-12-2019, 07:30 PM
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Originally Posted by Dj Dee View Post
Actually not. I don’t understand, and have no answer.
Thanks Dj Dee. This is worthy of more investigation, how can code improve reflectivity or blocking of light from a physical surface.

I see from your avatar you have your full blackout device implemented on your NX9. Looks good!

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post #1511 of 14018 Old 01-12-2019, 07:31 PM
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Originally Posted by ScottieBoysName View Post
Well crap. You shot a hole in that theory. Someone is a December. I remember seeing it. I wish we could see numbers from that unit.
So far only the RS3000 that Mike G. posted has a December serial number. So either it's from a different batch or JVC USA assigns serial numbers during final Quality Control check that is done after it clears customs. At least I remember reading that they do some kind of QC check here.

Did the December build also have same 1.16 firmware? That would suggest no production firmware updates were made between October and December?
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post #1512 of 14018 Old 01-12-2019, 07:36 PM
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Quote:
Originally Posted by Wizziwig View Post
So far only the RS3000 that Mike G. posted has a December serial number. So either it's from a different batch or JVC USA assigns serial numbers during final Quality Control check that is done after it clears customs. At least I remember reading that they do some kind of QC check here.



Did the December build also have same 1.16 firmware? That would suggest no production firmware updates were made between October and December?


Good catch. I can’t remember. Mike do you know what FW it had?
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post #1513 of 14018 Old 01-12-2019, 07:36 PM
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Originally Posted by ScottieBoysName View Post
Make my brain work here. Why would you disable HDR in the Panasonic as opposed to the JVC?
You disable HDR in the panasonic *output* since it tone maps the HDR and then the JVC just thinks the incoming signal is SDR BT2020.

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post #1514 of 14018 Old 01-12-2019, 07:40 PM
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Originally Posted by markmon1 View Post
You disable HDR in the panasonic *output* since it tone maps the HDR and then the JVC just thinks the incoming signal is SDR BT2020.


Ahhhhhhhh! That makes sense.

So - going further - why is that looking better than the HDR setting in what people are experiencing?
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post #1515 of 14018 Old 01-12-2019, 07:49 PM
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Quote:
Originally Posted by Dj Dee View Post
Mine also October


According to the serial number decode mine is also October but a very very low October number .. like 153400xx (and XX is low )

I haven’t had a chance to hook it up yet but very curious to know how to properly test for the issues Arrow has experienced.

My unit did have a letter from JVC indicating the unit was opened and inspected prior to delivery.

I will only be hooking it up next Friday so I am hoping we’ll have a lot more information by then.



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post #1516 of 14018 Old 01-12-2019, 07:52 PM
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Quote:
Originally Posted by DennisLJacob View Post
Do we know what Arrows serial number is?
Quote:
Originally Posted by ScottieBoysName View Post
Arrows was an October model, yes?

So far we’ve seen October models and December models.

Hmmm - if DJs is a December model and Arrows an October model...then that could explain the differences in their numbers.

Maybe JVC did something there.
Well they are not USA serial numbers. I am sure there is some difference somewhere in the serial number.
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post #1517 of 14018 Old 01-12-2019, 07:52 PM
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Originally Posted by ScottieBoysName View Post
Ahhhhhhhh! That makes sense.

So - going further - why is that looking better than the HDR setting in what people are experiencing?
So HDR has a range from like 0-4000 nits, say. Our projectors are able to handle maybe 100 nits (varies on some factors). So tone mapping takes care of this problem by mapping those HDR ranges into something a projector at 100 nits can handle. The new series of JVC also has tone mapping so we don't really know yet if the panasonic is needed.

In either case, you'd either have the panasonic do the tone mapping or have the panasonic pass the raw HDR to the JVC to do the tone mapping. You don't want both to do it. So if the panasonic does it, it needs to strip the HDR meta out of the output stream so the JVC accepts the signal as SDR / 4k/ BT2020.

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post #1518 of 14018 Old 01-12-2019, 07:58 PM
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Quote:
Originally Posted by enricoclaudio View Post
With a $250 meter like the X-Rite i1Display Pro + a free software like HCFR or a paid software like Calman Home Enthusiast ($359) or Chroma Pure ($200) you can take measurements and calibrate your projector. I think anybody buying a $7K projector or display these days, should have at least a decent colorimeter to quick check your display/projector and know for sure if you got a good sample or a lemon.
I'm not sure I agree with your statement re: making sure we have a good sample or a lemon. For the money we're paying it would seem to me that JVC shouldn't be shipping lemons - period!

I wouldn't think that regular consumers, which I am, should have to buy Colorimeters to check our NEW projectors. That is regardless how much we are paying for the new projectors. Perhaps if I was anal about video as I am about audio, then I can see that. But I don't think we should assume everyone buying a new JVC projector is going to have these tools, software and products. I don't. I wouldn't know what to do with them.
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post #1519 of 14018 Old 01-12-2019, 08:00 PM
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Quote:
Originally Posted by Wizziwig View Post
This is why I specifically referenced Arrows post where he claimed to have measured both Sony and JVC ADL. I think we can agree there is only one Arrow-AV and I assume he measured them under similar test conditions.

Nothing to do with anything posted or measured by Cine4Home or Projectiondream. I agree we can't directly compare their data with Arrows.

Waiting to see what Arrow comes up with for the newer Sony models.
First we need to measure one that does not have such bad blooming. Then we need the same person to measure a VW995 and or VW885. Rather than try to base everything off of one unit, a unit that looks pretty bad, with blooming. I have seen the RS3000, it is going to be a really good projector.
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post #1520 of 14018 Old 01-12-2019, 08:01 PM
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Originally Posted by ScottieBoysName View Post
Stupid question time. Doesn’t the filter drop light output? Can you run in HDR mode with BT2020 and no filter? Or do I have something confused?

Interestingly enough I swear I saw in the 820 thread they were suggesting to use non-HDR modes on the 820 for projectors. Why would that be?
Yes, the filter does drop light output.

JVC provides two colour profiles and has done this for a few years now (since the RS520 I think).

1. The 'HDR' Colour profile which does not use the colour filter and offers 85 to 90% of DCI-P3 coverage
2. The'BT2020' Colour Profile that uses the colour filter and offers 100+% of DCI-P3 coverage.

In reality, both of these colour profiles assume a BT2020 container and only the degree of coverage varies.

If using the panasonic 820's HDR tone mapping they recommend using the SDR power gamma of 2.4 and the BT2020 colour profile with previous models of projectors which struggled with HDR. That is no longer necessary with new JVC lineup which have their own very capable HDR tone mapping built-in.
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post #1521 of 14018 Old 01-12-2019, 08:03 PM
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Originally Posted by crash1977 View Post
According to the serial number decode mine is also October but a very very low October number .. like 153400xx (and XX is low )

I haven’t had a chance to hook it up yet but very curious to know how to properly test for the issues Arrow has experienced.

My unit did have a letter from JVC indicating the unit was opened and inspected prior to delivery.

I will only be hooking it up next Friday so I am hoping we’ll have a lot more information by then.
What country are you in?

If Arrow's current NX9 is also an October build, he may be in a good position to identify the issue that was holding up the original October shipment once he compares it to a newer December build.

Unless JVC applied some fix when they opened them up and there will be no visible difference.
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post #1522 of 14018 Old 01-12-2019, 08:06 PM
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Man 'o Man am I in trouble. I'm reading all of these posts regarding settings on the Panny UB820 and output with this setting or that setting to input to the projector for this variable or that. How is a regular Joe (me) going to figure this stuff out????? I'm going to be up a creek without a paddle for sure.
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post #1523 of 14018 Old 01-12-2019, 08:06 PM
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Quote:
Originally Posted by DennisLJacob View Post
I'm not sure I agree with your statement re: making sure we have a good sample or a lemon. For the money we're paying it would seem to me that JVC shouldn't be shipping lemons - period!

I wouldn't think that regular consumers, which I am, should have to buy Colorimeters to check our NEW projectors. That is regardless how much we are paying for the new projectors. Perhaps if I was anal about video as I am about audio, then I can see that. But I don't think we should assume everyone buying a new JVC projector is going to have these tools, software and products. I don't. I wouldn't know what to do with them.
What color meter is needed. Heck the OPPO screen saver shows the problem with his projector. And even with all that blooming, I bet the image the projector throws still looks very good.
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post #1524 of 14018 Old 01-12-2019, 08:07 PM
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Originally Posted by markmon1 View Post
So HDR has a range from like 0-4000 nits, say. Our projectors are able to handle maybe 100 nits (varies on some factors). So tone mapping takes care of this problem by mapping those HDR ranges into something a projector at 100 nits can handle. The new series of JVC also has tone mapping so we don't really know yet if the panasonic is needed.



In either case, you'd either have the panasonic do the tone mapping or have the panasonic pass the raw HDR to the JVC to do the tone mapping. You don't want both to do it. So if the panasonic does it, it needs to strip the HDR meta out of the output stream so the JVC accepts the signal as SDR / 4k/ BT2020.


Got it! Thanks man.
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post #1525 of 14018 Old 01-12-2019, 08:12 PM
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What country are you in?



If Arrow's current NX9 is also an October build, he may be in a good position to identify the issue that was holding up the original October shipment once he compares it to a newer December build.



Unless JVC applied some fix when they opened them up and there will be no visible difference.


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post #1526 of 14018 Old 01-12-2019, 08:20 PM
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Originally Posted by Mike Garrett View Post
First we need to measure one that does not have such bad blooming. Then we need the same person to measure a VW995 and or VW885. Rather than try to base everything off of one unit, a unit that looks pretty bad, with blooming. I have seen the RS3000, it is going to be a really good projector.
So have I and agree that it would be a really good (if not best available) 4K projector (as would the N5) if they all looked like the samples shown at Cedia. I could live with any minor issues I saw there.

Hopefully Arrow's issues are the ones that were holding up October production or his unit is just defective.
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Originally Posted by Wizziwig View Post
Sorry I missed your post. This thread moves faster than I can read it.

Take the first 2 digits of the serial number and subtract 5. This is your month.
Take the 3rd digit of the serial number and subtract 5. Numbers below 0 wrap around so you can also add 5 instead. This is last digit of year.

So for example, Dj Dee reported his unit as:

"15347**** is the 4 first.
Is from the batch 10. 2018"

Month = 15-5 = 10 or October.
Year = 3+5 = 8 or 2018.

The remaining numbers in serial usually have a letter followed by number that indicates order of the units during that month. 0001 would be first unit produced that month.



See above. Hope that helps.

0734 on my x990 would mean 10 2017?

Last edited by Bytehoven; 01-12-2019 at 08:57 PM.
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post #1528 of 14018 Old 01-12-2019, 08:56 PM
 
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Hopefully Arrow's issues are the ones that were holding up October production or his unit is just defective.
That was my question. I thought the units built early were pre-production, units built before october? Final production started after fix, december? So, is an october unit pre-production or not? Pre fix or not?
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post #1529 of 14018 Old 01-12-2019, 09:01 PM
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That was my question. I thought the units built early were pre-production, units built before october? Final production started after fix, december? So, is an october unit pre-production or not? Pre fix or not?
So far nobody has posted a November build so maybe that was the month they suspended production while working on a fix?

Quote:
0734 on my x990 would mean 10 2017?
0734... serial would mean February 2018 date.
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Originally Posted by DennisLJacob View Post
Man 'o Man am I in trouble. I'm reading all of these posts regarding settings on the Panny UB820 and output with this setting or that setting to input to the projector for this variable or that. How is a regular Joe (me) going to figure this stuff out????? I'm going to be up a creek without a paddle for sure.
Check out the 640/990/9900 owners thread, the 1st post. It covers the use of the ub820 sdr2020 including a link to kris deering suggestions. Its really not that complicated once you dive in.

One question many of us have, how will the new jvc tone mapping compare to 820 sdr2020.

Last edited by Bytehoven; 01-12-2019 at 10:13 PM.
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