Offical JVC DLA-RS4810 Owners Thread - Page 72 - AVS Forum | Home Theater Discussions And Reviews
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post #2131 of 2146 Old 04-15-2018, 11:41 AM
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Originally Posted by timmyotule View Post
I bought a 5040UB last month and had to swap the first unit out due to focus and color uniformity issues. The replacement now won't turn on so I'm looking at returning it and getting a refund since I don't want to be continually swapping projectors. I can pick up a used JVC X55 (RS4810) with a spare lamp for about $1k. I'm thinking of getting this to use for a few years until true 4k projectors are available from JVC or Epson in the $3000 range. My other option is to spend an extra $600 on top of what I spend on the 5040UB to get a RS420 or $1800 more to get a RS520.

Any thoughts on whether or not the X55 is worth it at this point? I'll be using it for movie and TV series watching in a completely light controlled basement room.
I owned an RS4810 for almost three years and it's a very good projector for 1080p only, but I would not buy one for $1000 nor would I expect a five year old projector to last years without some potentially substantial repair costs along the way. The exception would be one with very low hours on it, but how do you know really? There are B stock RS420s with one year warranty out there going for very good prices. The Epsons are notorious for color uniformity issues - went through the same problem with several LS10000s before getting a refund back from them. JVCs are usually very good in this area.

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post #2132 of 2146 Old 04-15-2018, 11:46 AM
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Originally Posted by JackB View Post
I would first read this thread from cover to cover. Earlier JVC's had a lot of problems. I believe there was a break where they started putting out more reliable models. Perhaps someone here could give that break. I'm thinking it might have been the 49xx model.
If I recall, starting with the RS45 model and that lamp version JVCs have been sound. However, as I alluded in my other post, we're talking old projectors now with plenty of mileage in most cases so anything is possible at this point.
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post #2133 of 2146 Old 04-15-2018, 01:16 PM
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Quote:
Originally Posted by timmyotule View Post
I bought a 5040UB last month and had to swap the first unit out due to focus and color uniformity issues. The replacement now won't turn on so I'm looking at returning it and getting a refund since I don't want to be continually swapping projectors. I can pick up a used JVC X55 (RS4810) with a spare lamp for about $1k. I'm thinking of getting this to use for a few years until true 4k projectors are available from JVC or Epson in the $3000 range. My other option is to spend an extra $600 on top of what I spend on the 5040UB to get a RS420 or $1800 more to get a RS520.

Any thoughts on whether or not the X55 is worth it at this point? I'll be using it for movie and TV series watching in a completely light controlled basement room.
Buying used electronics (or any used item) is more about person's psychology, fears and beliefs and his budget. I don't believe there is a universal wisdom on the matter; some people just don't feel comfortable buying a used item without warranty while other people have no problem with that (including myself). You need to decide for yourself. Aside from that, AFAIK, the main differences between a RS4810 and a RS420 is in brightness and in newer features (supporting 4k and HDR). With the kinds of RS4810 and RS4910, I personally won't go above 110" on a gain 1.0 screen and a fresh bulb though other people say they have larger screen and are happy with the brightness level. Right now, I have a matte white 100" and I would say I wouldn't go any bigger than that in eco mode (the bulb has about 1400 hours on it).


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post #2134 of 2146 Old 04-15-2018, 02:15 PM
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Gaming mode and much better 3D support also on the RS420 if you're into those.

I now own an RS440 and it feels like a completely different projector compared to the RS4810 I had. Nearly double the calibrated lumens, a bit sharper even at 1080p due to lens improvement and improved internal processing, auto iris, and 4K/HDR support as mentioned. The autocal also allows for better color gamut accuracy. Contrast is about the same when both projectors are brightness matched but auto iris helps on fades and those extra lumens go a long, long way. And more brightness is kind of addicting. Much better 3D and gaming support (at least on RS420 and 440) if you're into those. However, thinking about it, if one only wants 1080p and modest light output, the RS4810 will probably do the trick.
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post #2135 of 2146 Old 05-31-2018, 07:21 PM
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Quick question: Is anyone using an Integral/Linker/Vertex to connect a 4k bluray player or any other 4k devices? If so, is there any noticable color or resolution bump. I have an X55, and I know this can be done with the X500, so I'm just curious to see if there could be any extra juice so to speak squeezed out of this projector.

Regards.
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post #2136 of 2146 Old 07-03-2018, 04:38 AM
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What replacement lamp do I need and where is the best place to buy? I seem to remember there was an issue with some lamps around this period and want to make sure I don't get burned.
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post #2137 of 2146 Old 07-03-2018, 09:27 AM
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Originally Posted by curttard View Post
What replacement lamp do I need and where is the best place to buy? I seem to remember there was an issue with some lamps around this period and want to make sure I don't get burned.
I've also seen some posts about cleaning the prism, was this only for the older models like the RS20?
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post #2138 of 2146 Old 07-03-2018, 02:03 PM
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Stick with OEM lamp.
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post #2139 of 2146 Old 01-25-2019, 02:42 PM
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Panasonic DP-UB820 users?

I just got my Panasonic DP-UB820 4K player to use with my 4810, as it has excellent tone mapping features that benefit older PJs when playing 4K UHD content.

Anyone else have this combo? I wanted to see what setting in both the player and the PJ result in positive results.

Jonathan
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post #2140 of 2146 Old 01-25-2019, 03:39 PM
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Quote:
Originally Posted by CHUCKCHILLOUT View Post
Quick question: Is anyone using an Integral/Linker/Vertex to connect a 4k bluray player or any other 4k devices? If so, is there any noticable color or resolution bump. I have an X55, and I know this can be done with the X500, so I'm just curious to see if there could be any extra juice so to speak squeezed out of this projector.

Regards.
I have the Vertex with a OPPO203 feeding a RS600. I hooked up my 4810 to the 1080p side of the Vertex and it does seem to give a noticeable resolution bump to the 4810 IMO. YMMV.

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post #2141 of 2146 Old 01-25-2019, 04:51 PM
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Quote:
Originally Posted by edfowler View Post
I have the Vertex with a OPPO203 feeding a RS600. I hooked up my 4810 to the 1080p side of the Vertex and it does seem to give a noticeable resolution bump to the 4810 IMO. YMMV.
If you feed a 4K stream to a 1080P projector through a Vertex you will get a noticeable improvement. The better the picture going in, the better the picture going out.

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post #2142 of 2146 Old 06-08-2019, 01:58 PM
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I have a 5 year old JVC RS 4810U that has performed well over that time but has recently failed to turn on with the remote, the power button on the unit or a remote trigger. It will turn on with all of these sources if you unplug it until the Standby light goes out and then plug it back in.



Any idea what might be causing this and how to fix it?


Thanks

Steve
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post #2143 of 2146 Old 06-08-2019, 11:54 PM
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Quote:
Originally Posted by DavidHir View Post
I owned an RS4810 for almost three years and it's a very good projector for 1080p only, but I would not buy one for $1000 nor would I expect a five year old projector to last years without some potentially substantial repair costs along the way. The exception would be one with very low hours on it, but how do you know really? There are B stock RS420s with one year warranty out there going for very good prices. The Epsons are notorious for color uniformity issues - went through the same problem with several LS10000s before getting a refund back from them. JVCs are usually very good in this area.
Well if that's the budget, then their other choice is to get a DLP with bad contrast, I'd take the JVC for $1000, I'd just test it very thoroughly.

Actually I think JVC builds their projectors like tanks between the rs46/56/66 all the way up to the RS-540. NX series still has some growing pains. There have been fewer 'breakdown' issues reported on those projectors than I think any other in the entire forum. I'd be way more scared to buy a used Epson or Optoma than a JVC. Also, wouldn't touch a used Sony due to contrast degradation. Benq is ok, if it works, then it will usually last.

I wouldn't be surprised if JVC projectors can on average last 25,000 hours or 15-25 years. There are still plenty of people using RS-1's that work fine. I'm approaching 10,000 hours on my old RS-45, and the image looks exactly like DAY # 1, it's crazy. I did lose some brightness, but I think it's the aftermarket lamps and not the PJ. My PJ is fine and yet I'm using one of the LEAST reliable JVC models, the actual least reliable IMO is the HD250 and RS10 to RS20. Too many pink stripe or panel issues, but I've never had this issue on my RS-45 (or any HW issue actually).

Projectors can last almost forever really, I've seen some old NEC DLP's that had over 40,000 hours on them, they were surplus from schools. I think the most hours I ever saw was 62,000 on a used DLP. I went to an auction once where they were selling all kinds of used govt. electronics. I didn't buy anything because people were bidding too high on everything, except for certain things I wasn't interested in.
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post #2144 of 2146 Old 06-09-2019, 12:33 AM
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Originally Posted by DavidHir View Post
If I recall, starting with the RS45 model and that lamp version JVCs have been sound. However, as I alluded in my other post, we're talking old projectors now with plenty of mileage in most cases so anything is possible at this point.
It's the RS-46 and later that have the better lamps, however it seems the absolute best JVC lamps are in the RS-4xx/5xx/6xx series.

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post #2145 of 2146 Old 06-09-2019, 10:34 AM
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Offical JVC DLA-RS4810 Owners Thread

Quote:
Originally Posted by coderguy View Post
Well if that's the budget, then their other choice is to get a DLP with bad contrast, I'd take the JVC for $1000, I'd just test it very thoroughly.



Actually I think JVC builds their projectors like tanks between the rs46/56/66 all the way up to the RS-540. NX series still has some growing pains. There have been fewer 'breakdown' issues reported on those projectors than I think any other in the entire forum.



Projectors can last almost forever really, I've seen some old NEC DLP's that had over 40,000 hours on them, they were surplus from schools. I think the most hours I ever saw was 62,000 on a used DLP. I went to an auction once where they were selling all kinds of used govt. electronics. I didn't buy anything because people were bidding too high on everything, except for certain things I wasn't interested in.

Well, we shouldn’t forget about the ballast issues on JVC x0 and x00 series, but I hope you’re right about the reliability of the x000 series, as I hope to one day buy a used one.

As for projectors lasting almost forever, I would say that about high-end business DLP models only. Anything based on liquid crystal technology will not endure 40.000 to 60.000 hours like DLP does, and those which are spotless after 10.000h seem to me more like lucky units than actual proof of reliability of the technology. But again, being a used-only buyer, it would be my pleasure to find out that I’m wrong about this.




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post #2146 of 2146 Old 06-09-2019, 10:38 AM
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Well, we shouldn’t forget about the ballast issues on JVC x0 and x00 series, but I hope you’re right about the reliability of the x000 series, as I hope to one day buy a used one.

As for projectors lasting almost forever, I would say that about high-end business DLP models only. Anything based on liquid crystal technology will not endure 40.000 to 60.000 hours like DLP does, and those which are spotless after 10.000h seem to me more like lucky units than actual proof of reliability of the technology. But again, being a used-only buyer, it would be my pleasure to find out that I’m wrong about this.
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True...
LCD is the least reliable, LCOS is in the middle, DLP lasts forever.
The only thing that usually breaks on DLP is the fans or some chip overheats as DLP's often run extremely hot. Color wheel motor failures too, but it's quite rare these days.

As far as Ballast issues, you see that on some JVC's mainly older ones (though it did happen on the RS-46 a few times), but after the RS-4910 it was extremely rare. JVC LCOS panels seem to be incredibly reliable, most JVC issues are non-panel related.

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