Official JVC RS3000/NX9 - JVC RS2000/NX7/N7 - JVC RS1000/NX5/N5 - Owners Thread - Page 564 - AVS Forum | Home Theater Discussions And Reviews
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post #16891 of 28516 Old 10-02-2019, 10:58 AM
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Originally Posted by catav View Post
What kind of experience, ability, and tools are required to replace the bulb? Could anyone do this with ease? Link to seller of quality JVC replacement bulbs?

Thanks
It's easy. I've done it with a glass of wine in one hand. https://www.avsforum.com/forum/86-ul...l#post24562267
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post #16892 of 28516 Old 10-02-2019, 11:27 AM
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Quote:
Originally Posted by Craig Peer View Post
In low laser my RS4500 is estimated to have 40,000 hours to 1/2 brightness, and in mid laser - 30,000 hours to 1/2 brightness. Since I've never really gotten more than 1000 hours out of a lamp before deciding it's too dim for my tastes, my RS4500 has the potential to last more like 35X longer than replaceable lamps.
Craig,

And to me why foot the cost for Lamp Assemblies (OEM-Factory) NOT E-bay etc.
If you took a few minutes and put the Lamp-Assemblies-Cost at Retail for the Real Factory Lamp-Assemblies I think members would then see why one of the major considerations to having the RS4500 laser.

I have been down that road for more than 30-years paying for lamp assemblies and the last Runco lamp assemblies were all either $1,099.00 dollars or a few times at $999.99 cents US dollars.
And as you know I was going through at least one lamp per year.
That's based on Real-World viewing at 2,500 hours per year.

And it should be obvious to anyone that I was using mine until the "Warning" came on the screen to replace it.
So, of course it didn't have the Brightness it had in the beginning of it's life.

So, if a person actually took the time to see what the upper end Lamp-Based-Projector cost and add in the Lamp-Assembly Cost.
It's easy to see why a person could easily off-set the cost of the RS4500 and what so many of us end users actually paid for them.

Terry
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post #16893 of 28516 Old 10-02-2019, 11:51 AM
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Quote:
Originally Posted by Craig Peer View Post
In low laser my RS4500 is estimated to have 40,000 hours to 1/2 brightness, and in mid laser - 30,000 hours to 1/2 brightness. Since I've never really gotten more than 1000 hours out of a lamp before deciding it's too dim for my tastes, my RS4500 has the potential to last more like 35X longer than replaceable lamps.
Does that include the recent JVC lamp models? My X550 lamp has 3000 hours and 60% of the original brightness, I now run with the iris open and get the standard luminance of 50 nit (15 ftL) on my screen. Many others have reported similar experiences.

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Last edited by Dominic Chan; 10-02-2019 at 11:56 AM.
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post #16894 of 28516 Old 10-02-2019, 11:58 AM
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Originally Posted by Dominic Chan View Post
Does that include the recent JVC lamp models? My X550 lamp has 3000 hours and 60% of the original brightness, many others have reported similar
experiences.
It does not - the last lamp projector I had was an RS600 and a Sony VW600. Same lamp in the RS600 as in the current models ( different housing ) but I might have gotten more hours. But I'm extremely skeptical I'd have enough lumens after 2000 hours with the current lamps ( any lamps ) for HDR.
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post #16895 of 28516 Old 10-02-2019, 11:59 AM
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Originally Posted by markmon1 View Post
Sorry this was worded poorly. He ordered an RS2000 b-stock and it turned out to be faulty and is getting replaced by JVC. I didn't mean to say that JVC's faulty projectors are just resold as b-stock. I mean to say he bought a b-stock and it turned out faulty.
Thanks for the clarification Mark.

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post #16896 of 28516 Old 10-02-2019, 12:22 PM
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Quote:
Originally Posted by Craig Peer View Post
It does not - the last lamp projector I had was an RS600 and a Sony VW600. Same lamp in the RS600 as in the current models ( different housing ) but I might have gotten more hours. But I'm extremely skeptical I'd have enough lumens after 2000 hours with the current lamps ( any lamps ) for HDR.
(By recent I do mean the RS600 and beyond).
If JVC are so “optimistic” on the rated lifespan for their lamps, is there any evidence that they are not equally optimistic on the laser lifespan?
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post #16897 of 28516 Old 10-02-2019, 12:26 PM
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I bought a B stock RS4810 once and was very happy with it. Nice sample and I used it for three years without a glitch. I only sold it because I upgraded to UHD.
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post #16898 of 28516 Old 10-02-2019, 12:38 PM
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Originally Posted by Dominic Chan View Post
(By recent I do mean the RS600 and beyond).
If JVC are so “optimistic” on the rated lifespan for their lamps, is there any evidence that they are not equally optimistic on the laser lifespan?
Lasers are not affected by on / off cycles. Lamps are. My typical use was 1 1/2 - 2 hours max at a time, so it's the lamp strikes that tend to kill lamp life.
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post #16899 of 28516 Old 10-02-2019, 01:53 PM
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Originally Posted by Dominic Chan View Post
Does that include the recent JVC lamp models? My X550 lamp has 3000 hours and 60% of the original brightness, I now run with the iris open and get the standard luminance of 50 nit (15 ftL) on my screen. Many others have reported similar experiences.
+1, I checked all 4 lamps, all had similar lumen output and similar color qualities between copies vs. factory original.

There may be some poor quality lamps out there.. but not these Ushio's... excellent so far at a great price.
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post #16900 of 28516 Old 10-02-2019, 03:15 PM
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Originally Posted by zombie10k View Post
+1, I checked all 4 lamps, all had similar lumen output and similar color qualities between copies vs. factory original.

There may be some poor quality lamps out there.. but not these Ushio's... excellent so far at a great price.
Buy a couple more and your projector will outlast Craig P’s laser projector.
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post #16901 of 28516 Old 10-02-2019, 03:25 PM
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Quote:
Originally Posted by zombie10k View Post
Quote:
Originally Posted by Dominic Chan View Post
Does that include the recent JVC lamp models? My X550 lamp has 3000 hours and 60% of the original brightness, I now run with the iris open and get the standard luminance of 50 nit (15 ftL) on my screen. Many others have reported similar experiences.
+1, I checked all 4 lamps, all had similar lumen output and similar color qualities between copies vs. factory original.

There may be some poor quality lamps out there.. but not these Ushio's... excellent so far at a great price.
what is the source of your ushio’s Sound like good ones 🙂

"Technology is a drug. We can't get enough of it."


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post #16902 of 28516 Old 10-02-2019, 03:43 PM
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what is the source of your ushio’s Sound like good ones
lamps are from a very cool and helpful forum member with the initials D.C. (link below)

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post #16903 of 28516 Old 10-02-2019, 04:06 PM
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Originally Posted by Dominic Chan View Post
Buy a couple more and your projector will outlast Craig P’s laser projector.
At my current rate of 500 hours a year, my RS4500 shouldn't reach 1/2 brightness until the year 2082. I'll be 130 years old.
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post #16904 of 28516 Old 10-02-2019, 04:25 PM
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Originally Posted by Craig Peer View Post
At my current rate of 500 hours a year, my RS4500 shouldn't reach 1/2 brightness until the year 2082. I'll be 130 years old.
Wow! I'm already at ~225 and I got my RS2000 in mid July. I expect to go through a few bulbs
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post #16905 of 28516 Old 10-02-2019, 04:29 PM
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At my current rate of 500 hours a year, my RS4500 shouldn't reach 1/2 brightness until the year 2082. I'll be 130 years old.
I put 500 hours on my projector in about 2 months. I would say at the rate you watch any projector that it would last a lifetime. Laser doesn't make much sense for me until the price drops. I'll stick with the RS3000 for now.
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post #16906 of 28516 Old 10-02-2019, 04:38 PM
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I put 500 hours on my projector in about 2 months. I would say at the rate you watch any projector that it would last a lifetime. Laser doesn't make much sense for me until the price drops. I'll stick with the RS3000 for now.


You watch your projector 8 - 10 hours a day?


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post #16907 of 28516 Old 10-02-2019, 06:23 PM
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You watch your projector 8 - 10 hours a day?
Many days mine is on that much. While I only watch 1 or 2 movies a week I do all my primary computer work/surfing/programming/tinkering/watch sports on it in a Lazy-boy from 11’. In the words of Mel Brooks “It’s good to be the king!”

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post #16908 of 28516 Old 10-02-2019, 07:04 PM
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Many days mine is on that much. While I only watch 1 or 2 movies a week I do all my primary computer work/surfing/programming/tinkering/watch sports on it in a Lazy-boy from 11’. In the words of Mel Brooks “It’s good to be the king!”

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Some days I feel like the King, other days, I feel like the Pawn.
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post #16909 of 28516 Old 10-02-2019, 07:19 PM
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JVC DTM firmware getting close. And it is a game changer.
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post #16910 of 28516 Old 10-02-2019, 08:12 PM
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Originally Posted by Craig Peer View Post
In low laser my RS4500 is estimated to have 40,000 hours to 1/2 brightness, and in mid laser - 30,000 hours to 1/2 brightness. Since I've never really gotten more than 1000 hours out of a lamp before deciding it's too dim for my tastes, my RS4500 has the potential to last more like 35X longer than replaceable lamps.
It will probably last a lot longer due to dynamic laser dimming which often keeps the laser power lower.
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post #16911 of 28516 Old 10-02-2019, 08:27 PM
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Originally Posted by Dominic Chan View Post
The laser lifespan is 20,000 hours, 5x longer than replaceable lamps. Longer for sure, but not “permanent”.
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If it's out of warranty, it may not be possible at all depending on if parts are around. Probably more than the projector is worth to replace.
Not to mention any part can fail prematurely, rather have a bulb fail because of a defect then a Laser......
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post #16912 of 28516 Old 10-02-2019, 08:30 PM
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Buy a couple more and your projector will outlast Craig P’s laser projector.
@zombie10k says: There may be some poor quality lamps out there.. but not these Ushio's... excellent so far at a great price.

Does this mean all Ushio bulb offerings (even on Ebay) are as good as OEM JVC bulbs?
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post #16913 of 28516 Old 10-02-2019, 08:32 PM
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@zombie10k says: There may be some poor quality lamps out there.. but not these Ushio's... excellent so far at a great price.

Does this mean all Ushio bulb offerings (even on Ebay) are as good as OEM JVC bulbs?
No, because one of those bulbs could be someone's used bulb they just used up.

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post #16914 of 28516 Old 10-02-2019, 08:33 PM
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lamps are from a very cool and helpful forum member with the initials D.C. (link below)

Does this mean all Ushio bulb offerings (even on Ebay) are as good as OEM JVC bulbs?
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post #16915 of 28516 Old 10-02-2019, 08:42 PM
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No, because one of those bulbs could be someone's used bulb they just used up.

So, Does Dominic have a magical supplier that never sells used bulbs? Most Ebay listings have 30 day return, so you should be able to judge bulb quality with light meter or your own two eyes. Problem is most aren't going to immediately replace bulb in housing. So, they don't know what they just bought. If it were just a lamp you could easily test. I'm confused what to do next?

Last edited by catav; 10-02-2019 at 08:57 PM.
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post #16916 of 28516 Old 10-02-2019, 09:12 PM
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Does this mean all Ushio bulb offerings (even on Ebay) are as good as OEM JVC bulbs?
I haven't tested those so it's hard to say. The lamps I have here have been great performers.

if any concern, going with the OEM full housing + lamp is always a safe bet.
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post #16917 of 28516 Old 10-02-2019, 09:21 PM
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...if any concern, going with the OEM full housing + lamp is always a safe bet.
I just think $600 vs. $150 or so makes it's worth investigating.
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post #16918 of 28516 Old 10-02-2019, 11:12 PM
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JVC DTM firmware getting close. And it is a game changer.
Close like Friday? Close like the rumors say Monday? Or close like my RS2000 was where February 2019 was the date but July 2019 was the delivery?
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post #16919 of 28516 Old 10-02-2019, 11:23 PM
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Close like Friday? Close like the rumors say Monday? Or close like my RS2000 was where February 2019 was the date but July 2019 was the delivery?
Someone said in a week... the 10th
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post #16920 of 28516 Old 10-03-2019, 01:38 AM
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I’m thinking that these B-stocks might be just as sound as a new PJ. JVC must know how to fix returns when new PJ’s are running smoothly. Right?
My B-stock RS-3000 from Mike was indeed like a new PJ, including zero hours on the bulb. It came with the 2.06 firmware which had the green line issue but that was fixed with 2.07. A friend bought a B-sock RS-3000 from Mike the same time as I did. It was also like new but developed a problem. JVC exchanged it very quickly.


From what I am reading here, I doubt that the probability of getting a B-stock JVC projector with problems is any higher than a non-B-stock one.


Neither my friend nor I could have afforded the 3000 if not for the B-stock ones. SO, again, many thanks, Mike!
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