Official JVC RS600 / RS500 (X950R / X750R - X9000 / X7000) Owners Thread - Page 1052 - AVS Forum | Home Theater Discussions And Reviews
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post #31531 of 32458 Old 01-26-2019, 10:51 AM
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Originally Posted by StevenC56 View Post
I thought the iris worked on the JVC's using an 820 and SDR.2020 conversion?
Yes. The iris works on all generations of this family (500, 520, 540) when displaying SDR content....whether that content originated as SDR or was converted to SDR by the source device.

The difference is that the 500, and I think the 520, don’t use the iris on HDR signals whereas I recall that the 540 does.
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post #31532 of 32458 Old 01-26-2019, 10:54 AM
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Originally Posted by sjschaff View Post
The gamma I'd calibrated before Chad arrived he discovered was far higher than target. Unless it changes quite a bit over time, I've got to blame the Spyder.
From personal experience I know it’s possible to get gamma wrong even with a good spyder.....
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post #31533 of 32458 Old 01-26-2019, 11:00 AM
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From personal experience I know it’s possible to get gamma wrong even with a good spyder.....
Yes, but the log should be able to show that.
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post #31534 of 32458 Old 01-26-2019, 11:03 AM
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If you select a gamma of 2.4 is it likely to get a gamma that is greatly different? I always thought JVCs were close to target with new bulbs and the gamma drop was corrected by the auto calibration after a few hundred hours. Does auto calibration really help if the projector is relatively new?
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post #31535 of 32458 Old 01-26-2019, 11:36 AM
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Originally Posted by Clark Burk View Post
If you select a gamma of 2.4 is it likely to get a gamma that is greatly different? I always thought JVCs were close to target with new bulbs and the gamma drop was corrected by the auto calibration after a few hundred hours. Does auto calibration really help if the projector is relatively new?
Depending on what you consider “relatively new”. I’ve seen noticeable gamma droop on projectors less than one year old, 200 hours of usage.

If you run Autocal with the Log only option, it will show you whether the projector has gamma droop, without changing anything.
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post #31536 of 32458 Old 01-26-2019, 12:22 PM
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And there is no guarantee. I actually had what could be called gamma rise, based on what Chad measured, after 1000 hours on a bulb / system he had previously calibrated 14 months prior (and no adjustment by me in between). Unless this "rise" is what people are calling "droop"?
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post #31537 of 32458 Old 01-26-2019, 11:35 PM
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Guys, question for you.
The RS500 (which I own) is amazing in every aspect to me. However I'm seeing a lot of 4k projectors coming out. For example, the benq 2550 (only $1400) 4k projector.
In every aspect, the JVC would dominate it, but what about resolution?
Would the benq appear to have better resolution? (I know technically it does, but what does it look like?)

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post #31538 of 32458 Old 01-27-2019, 03:52 PM
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Originally Posted by JMAX2016 View Post
Guys, question for you.
The RS500 (which I own) is amazing in every aspect to me. However I'm seeing a lot of 4k projectors coming out. For example, the benq 2550 (only $1400) 4k projector.
In every aspect, the JVC would dominate it, but what about resolution?
Would the benq appear to have better resolution? (I know technically it does, but what does it look like?)
JVC resolution is very good with eShift. Think of it as 3K. Resolution is just one aspect of PQ and one that really depends on how close you sit. I don't have the exact distance, but at some point, you won't even notice the difference. Of course, like Queen sang, I want it all and I want it now.
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post #31539 of 32458 Old 01-27-2019, 06:01 PM
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Of course, like Queen sang, I want it all and I want it now.
We watched Bohemian Rhapsody last night and thought it was excellent from beginning to end.

After it was over, we cranked up their Live in Montreal concert (1981) which I think is one of their best overall performances. It was a great movie / concert night
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post #31540 of 32458 Old 01-27-2019, 06:43 PM
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Originally Posted by JMAX2016 View Post
Guys, question for you.

The RS500 (which I own) is amazing in every aspect to me. However I'm seeing a lot of 4k projectors coming out. For example, the benq 2550 (only $1400) 4k projector.

In every aspect, the JVC would dominate it, but what about resolution?

Would the benq appear to have better resolution? (I know technically it does, but what does it look like?)
As someone who just switched to a used RS600 from a BenQ 2550 let me tell you the 2 don't even come close in comparison. JVC is far superior. The BenQ does have a better, more watchable native HDR mode but with the ability to create custom Gamma's you can correct that. My used 600 came with custom curves already loaded and I have been using them. I honestly would never switch back. But that's just my opinion.

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post #31541 of 32458 Old 01-28-2019, 12:35 AM
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Originally Posted by zombie10k View Post
We watched Bohemian Rhapsody last night and thought it was excellent from beginning to end.

After it was over, we cranked up their Live in Montreal concert (1981) which I think is one of their best overall performances. It was a great movie / concert night
We did the same,but followed up with Live Aid!
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post #31542 of 32458 Old 01-29-2019, 12:12 PM
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Originally Posted by 996911 View Post
Mine is a RS600 and was calibrated in June 2017. I'm not sure what the differences are between the 500 and 600 but I'm guessing they are negligible?
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Agreed. I've an RS500 and Chad came by last Monday, and even with a lamp that's halfway through it's scheduled life, did his magic -- and it made a world of difference. He uncovered a big problem with my gamma (and as I figured, based on Manni's statements in the past re: the consistency of the Spider, which was likely the culprit), as well as the actual light output of the projector at this stage. Still I've enough light to view SDR and even HDR on my ST 130 100" diag. screen from 12 feet without going up to the higher lamp power setting. He did a great job pulling in dark detail without adversely affecting the detail in bright images. Worth every penny!
Just thought of something today, I wonder if we should have Chad sign calibrated units

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Originally Posted by stevenjw View Post
JVC resolution is very good with eShift. Think of it as 3K. Resolution is just one aspect of PQ and one that really depends on how close you sit. I don't have the exact distance, but at some point, you won't even notice the difference. Of course, like Queen sang, I want it all and I want it now.
It is also one of the least important factor's after you at least have HD.
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post #31543 of 32458 Old 01-29-2019, 12:15 PM
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Just thought of something today, I wonder if we should have Chad sign calibrated units

It is also one of the least important factor's after you at least have HD.
haha, agreed. He should have stickers or plates that he adheres to the projector that states "Professionally Calibrated by Chad"
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post #31544 of 32458 Old 01-30-2019, 10:04 AM
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Something I'm happy to report on these projectors (I have the rs620, but it's the same in this regard).

At 2,096 hours, I decided to replace the bulb. Still had a great picture, but I thought perhaps I'd lost more punch than I's realized over that time. I've never waited that long to change bulbs because I've always had more degradation than this over that much time.

It turns out that the original bulb had barely dimmed, as I had hoped and expected. Yes, broadcast television looks a bit brighter, but blu ray and streaming look pretty much the same as before.

Once I get 100 hours on this bulb, I expect that difference to shrink further.

The point is, these bulbs hold up very well over time. Now, I have a brand new bulb, and another one in a box with significant life still in it as a backup.
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post #31545 of 32458 Old 01-30-2019, 09:04 PM
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Hello All,

? My RS500 has been most consistent lamp projector that I have ever owned. This March Will be three years that I have owned the projector. The lamp in the projector is the 2nd and it has 3000hrs it is still outputting 18FL at -13 on the iris in low lamp. 100” screen.

Is this unusual?
Should I replace it?
Is it still safe to keep it in the pj? I belive the bulb has a 5000hrs life span.
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post #31546 of 32458 Old 01-31-2019, 01:39 AM
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What I see reflected in these "lamp hour" discussions is very interesting.
My theory is that those that use their projectors multiple hours per day ( like 1000hrs per year + ) are capable of getting 2500 - 3000 hrs out of a lamp.
I also see a couple of "low use" owners ( I include myself here : Nov 2015 - Jan 2019 ......890 hrs ) that are seeing their lamps losing lumens . For HDR I have had to move from low lamp( 0 iris ) to high lamp ( -4 ) to achieve 90 Nits. For bluray I have progressively moved from low lamp -11 upon purchase to 0 to achieve 50 Nits ( 15ftL on my screen ) a couple of weeks ago.
I have purchased a new globe with the expectation that I will need to replace the original sooner rather than later.
I have no delusion I will get 2500 hrs out of MY lamp. That would mean close to 9 years!!!!!!!!
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post #31547 of 32458 Old 01-31-2019, 05:06 AM
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Just my opinion.....

I like to wait until the second version of a new class comes out. I sat out the rs400/500/600 round and let everyone here pound on JVC for the Gamma D and latency issues. The next round, I jumped on the rs620, which tightened up those items and had fewer overall issues to deal with.

Likewise, you'll see a dog pile soon on JVC for the issues with this next step up to native 4K. When the second round of these come out, that'll be my time to seriously consider an upgrade. Or, if JVC deals with the initial issues with a firmware update (which may require mailing the unit in), then I may consider in a few months when I can get a unit delivered already "fixed".

There are already delivered reports of pixel alignment issues with some of the new projectors. Let that get sorted out.

What we have right now is throwing a great picture. So good that the difference wouldn't be that noticeable in the immersion of a movie anyway.

Upgrade-itis is a real thing, and I have to fight it every time.
This round, firmware updates are simple USB updates on the new line's USB port. No mailing anything in. Some owners already updated from 1.16 to 1.17 and commented on how easy it was.

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post #31548 of 32458 Old 01-31-2019, 05:11 AM
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Originally Posted by DVD MAN View Post
Hello All,

? My RS500 has been most consistent lamp projector that I have ever owned. This March Will be three years that I have owned the projector. The lamp in the projector is the 2nd and it has 3000hrs it is still outputting 18FL at -13 on the iris in low lamp. 100” screen.

Is this unusual?
Should I replace it?
Is it still safe to keep it in the pj? I belive the bulb has a 5000hrs life span.
Yea keep running it until it looks too dim for your eyes. If you run on low, you can easily get another 500-1000 hours on that bulb if all goes well. Then when it dims too much for you, kick it into high for the rest of the life of the bulb until it's also too dim then

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post #31549 of 32458 Old 01-31-2019, 05:50 AM
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This round, firmware updates are simple USB updates on the new line's USB port. No mailing anything in. Some owners already updated from 1.16 to 1.17 and commented on how easy it was.
As long as JVC is willing to pass along fixes and improvements with firmware updates instead of saving them as new features for next years models. Owners of the x00 series should be familiar with that......
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post #31550 of 32458 Old 01-31-2019, 07:44 AM
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Originally Posted by IMDave View Post
What I see reflected in these "lamp hour" discussions is very interesting.
My theory is that those that use their projectors multiple hours per day ( like 1000hrs per year + ) are capable of getting 2500 - 3000 hrs out of a lamp.
I also see a couple of "low use" owners ( I include myself here : Nov 2015 - Jan 2019 ......890 hrs ) that are seeing their lamps losing lumens . For HDR I have had to move from low lamp( 0 iris ) to high lamp ( -4 ) to achieve 90 Nits. For bluray I have progressively moved from low lamp -11 upon purchase to 0 to achieve 50 Nits ( 15ftL on my screen ) a couple of weeks ago.
I have purchased a new globe with the expectation that I will need to replace the original sooner rather than later.
I have no delusion I will get 2500 hrs out of MY lamp. That would mean close to 9 years!!!!!!!!
That's interesting. I never really thought of a bulb aging without being used. I wonder if that's true.

I'd always heard that leaving a projector on for more than 4 hours continuously is hard on the bulb, which is problematic for me because mine is on much longer than that if I'm watching football all day on a Sunday. I've never seen any real evidence of additional wear, and on this 620, it didn't seem to have much of a negative impact at all.

Again, I think ventilation is key. Mine hangs from a 3 foot steel pipe with a Chief mount.

A great deal of heat comes out of the front vents of my projector, so if it didn't have room to breath, I think it would have a negative impact on performance overall and the bulb life.

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post #31551 of 32458 Old 01-31-2019, 10:18 AM
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Lamps age -- in large measure -- due to the number of power ups and power downs, as well as ambient temps, how good airflow is (clean you filter lately?) and other stress factors as much as based on total hours.

In fact, traditional wisdom is that a light bulb (NOT YOUR PROJECTOR! DO NOT TRY THIS) left on continuously 24 hours a day will last longer (total number of days, not total number of hours of "on" time) than a bulb turned off for 12 hours a day. That may just be internet urban legend, but it drives home the point that a power cycle is very stressful, and diminishes lamp life.

--

There is also probably unit to unit variation that impacts life as well.
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post #31552 of 32458 Old 01-31-2019, 06:51 PM
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Originally Posted by nathan_h View Post
Lamps age -- in large measure -- due to the number of power ups and power downs, as well as ambient temps, how good airflow is (clean you filter lately?) and other stress factors as much as based on total hours.

In fact, traditional wisdom is that a light bulb (NOT YOUR PROJECTOR! DO NOT TRY THIS) left on continuously 24 hours a day will last longer (total number of days, not total number of hours of "on" time) than a bulb turned off for 12 hours a day. That may just be internet urban legend, but it drives home the point that a power cycle is very stressful, and diminishes lamp life.

--

There is also probably unit to unit variation that impacts life as well.
Yes, those were my thoughts as well.
My X7000 has had a hard life of power ups and power downs. All the early learning experiments with the AutoCal program and the Arve Curves and the Vertex has probably taken up at least 25% of my lamp usage ( ie 200hrs+).
Anyway I only bought a replacement globe rather than the entire lamp, so $A250 for 3 years use is ok by me. Who knows, I may still get another year before I need to swap over.
Just got to keep monitoring with the lightmeter.
When I can't get 80Nits in High lamp with the iris wide open, that will be the time to change.
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post #31553 of 32458 Old 02-02-2019, 06:04 AM
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post #31554 of 32458 Old 02-02-2019, 08:38 AM
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Best place currently to get a GENUINE replacement lamp for the RS600? I don't want aftermarket, OEM, eBay, etc, and don't want a bare bulb. Thanks!

Cheers,
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post #31555 of 32458 Old 02-02-2019, 11:22 AM
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Best place currently to get a GENUINE replacement lamp for the RS600? I don't want aftermarket, OEM, eBay, etc, and don't want a bare bulb. Thanks!
Don't count out eBay. A bunch of us here purchased a genuine JVC bulb with housing from an eBay seller a couple months ago for a great price.
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post #31556 of 32458 Old 02-03-2019, 04:53 AM
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When using the jvc with roku ultra and Netflix the projector has major delays when scrolling through the menus. I assume it from some previews in 4K and some is sd? Is there any kind of setting to make for a seamless experience with scrolling through Netflix menu?
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post #31557 of 32458 Old 02-03-2019, 06:04 AM
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When using the jvc with roku ultra and Netflix the projector has major delays when scrolling through the menus. I assume it from some previews in 4K and some is sd? Is there any kind of setting to make for a seamless experience with scrolling through Netflix menu?
Other than setting the Roku to output 1080p when looking through previews then switching back to 4k when you make your choice I can’t think of anything.

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post #31558 of 32458 Old 02-03-2019, 08:31 AM
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When using the jvc with roku ultra and Netflix the projector has major delays when scrolling through the menus. I assume it from some previews in 4K and some is sd? Is there any kind of setting to make for a seamless experience with scrolling through Netflix menu?
When the Roku switches from the menu to the video trailers within the menu it switches from 24hz to 60hz causing the blanking delay.
If you keep it at 60hz you won’t have a delay.

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post #31559 of 32458 Old 02-03-2019, 09:28 AM
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When the Roku switches from the menu to the video trailers within the menu it switches from 24hz to 60hz causing the blanking delay.
If you keep it at 60hz you won’t have a delay.
I have the roku set to 4K HDR 60hz. Is there something else I should try?
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post #31560 of 32458 Old 02-03-2019, 09:52 AM
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I have the roku set to 4K HDR 60hz. Is there something else I should try?

Disable the 24 Hz setting in the advance video settings menu.
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