Official JVC RS600 / RS500 (X950R / X750R - X9000 / X7000) Owners Thread - Page 1054 - AVS Forum | Home Theater Discussions And Reviews
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post #31591 of 31979 Old 03-03-2019, 09:54 AM
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Originally Posted by swest View Post
Just starting to research Lamp replacement. My lamp has 3,038 hours on it, so it's getting close...

I saw the e-bay mention from a few months back ($275, or something like that?), but that seller has none available.

I am flabbergasted that the cost from Pureland is $436.50!! Wow, that is just ridiculous.

Anyway, any guidance here? I saw Dominic Chan's post for bare lamps, so I have PMed him to see if he has any of those available. Any other sources that anyone knows about?

Thanks,

- s.west

Sam West
My current lamp is still going strong (just over 1K hrs), from what a lot of us bought OEM new off ebay but my previous orig. bulb blew so I recently bought this one off amazon which looks to be the correct Ushio 250JK to stick in my orig housing (for $130 I figured it was worth it!).

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post #31592 of 31979 Old 03-03-2019, 10:00 AM
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Originally Posted by rdlohr View Post
Agreed. You'll be happy to hear I just ordered 30 yards of triple black velvet.

Moderators: I'm not sure why you merged the projector mount thread with this one since it universally applies to most or at least many JVC projectors.

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You know I was referring to your drop ceiling right?

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post #31593 of 31979 Old 03-03-2019, 11:29 AM
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Originally Posted by krichter1 View Post
You know I was referring to your drop ceiling right?
Yep, I'm working on how to put velvet covered tiles in my drop ceiling. I'll likely cover some of that paneling toward the screen as well. I hate paneling anyhow but the previous homeowner apparently liked it.

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post #31594 of 31979 Old 03-04-2019, 10:34 AM
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post #31595 of 31979 Old 03-04-2019, 03:45 PM
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Originally Posted by Dreamliner View Post
https://www.ebay.com/itm/113451713632

Thoughts? I messaged them and they said it is a genuine USHIO bulb...
I never changed a bare bulb. All I've ever heard is never touch the bulb with your fingers as the oil on your hands will cause a premature bulb failure. It looks a bit more involved then what I expected as it looks like a screw terminal on the base that may need to be connected.
Anyone do a bulb swap that can comment on the process?

Clark
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post #31596 of 31979 Old 03-04-2019, 04:43 PM
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Some further messaging revealed some very vague language. After pressing they finally said the packaging is generic since they "buy in bulk from the factory" but "the lamps say USHIO on them".

So I'm betting they are fakes.
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post #31597 of 31979 Old 03-04-2019, 07:27 PM
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Originally Posted by Clark Burk View Post
I never changed a bare bulb. All I've ever heard is never touch the bulb with your fingers as the oil on your hands will cause a premature bulb failure. It looks a bit more involved then what I expected as it looks like a screw terminal on the base that may need to be connected.
Anyone do a bulb swap that can comment on the process?
With most projectors including the JVCs, even the so-called “bare bulb” includes more than the bare bulb. The bulb comes pre-mounted in a reflector assembly and the leads from the bulb are connected to terminals on the reflector assembly. You indeed have to connect the leads from the housing to these screw terminals, but if you’re reasonably careful you shouldn’t have to touch the bulb surface which is the critical part.
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post #31598 of 31979 Old 03-04-2019, 09:05 PM
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Quote:
Originally Posted by Dominic Chan View Post
With most projectors including the JVCs, even the so-called “bare bulb” includes more than the bare bulb. The bulb comes pre-mounted in a reflector assembly and the leads from the bulb are connected to terminals on the reflector assembly. You indeed have to connect the leads from the housing to these screw terminals, but if you’re reasonably careful you shouldn’t have to touch the bulb surface which is the critical part.
I have one of the factory JVC lamps but its still brand new and sealed. I kinda want to buy a bare bulb. I'm fine with doing the work (I'd wear gloves) but finding a genuine Ushio bulb is challenging.
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post #31599 of 31979 Old 03-05-2019, 07:25 PM
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Originally Posted by Dreamliner View Post
I have one of the factory JVC lamps but its still brand new and sealed. I kinda want to buy a bare bulb. I'm fine with doing the work (I'd wear gloves) but finding a genuine Ushio bulb is challenging.

Did you not see my link to Amazon for one? I bought it and it certainly looks legit (waiting on Chad to calibrate this summer before I install it and throw 100hrs on it).

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post #31600 of 31979 Old 03-05-2019, 07:52 PM
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Originally Posted by krichter1 View Post
Did you not see my link to Amazon for one? I bought it and it certainly looks legit (waiting on Chad to calibrate this summer before I install it and throw 100hrs on it).
I must have missed it. Could you link it again? Are the markings on the new lamp “identical” or “close” to the same as the original? Did it come in a Ushio box? Also, how good are you at spotting counterfeit products? (Not judging, just curious).
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post #31601 of 31979 Old 03-05-2019, 08:05 PM
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Originally Posted by krichter1 View Post
My current lamp is still going strong (just over 1K hrs), from what a lot of us bought OEM new off ebay but my previous orig. bulb blew so I recently bought this one off amazon which looks to be the correct Ushio 250JK to stick in my orig housing (for $130 I figured it was worth it!).
Quote:
Originally Posted by Dreamliner View Post
I must have missed it. Could you link it again? Are the markings on the new lamp “identical” or “close” to the same as the original? Did it come in a Ushio box? Also, how good are you at spotting counterfeit products? (Not judging, just curious).
Link above (click on "this one")

Not an expert at all so if it's a fake then I've been fooled I guess...


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post #31602 of 31979 Old 03-05-2019, 09:18 PM
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Originally Posted by krichter1 View Post
Link above (click on "this one")

Not an expert at all so if it's a fake then I've been fooled I guess..
I noticed on that product page it lists the brand as “Lutema”. Which means it is probably a USHIO compatible replacement but not an actual USHIO bulb. Realistically though, I’m not really sure it even matters.... I just don’t understand why the actual USHIO one is difficult to find.
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post #31603 of 31979 Old 03-06-2019, 03:29 PM
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Originally Posted by Dreamliner View Post
I noticed on that product page it lists the brand as “Lutema”. Which means it is probably a USHIO compatible replacement but not an actual USHIO bulb. Realistically though, I’m not really sure it even matters.... I just don’t understand why the actual USHIO one is difficult to find.
I would like to buy one but only if original.. I'm curious what would happen if it blows? Would the projector get screwed up?

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post #31604 of 31979 Old 03-07-2019, 02:52 PM
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No... nothing would happen to the PJ (it's in an encased housing so if the bulb blows the glass shards are contained).
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post #31605 of 31979 Old 03-07-2019, 07:39 PM
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Originally Posted by jorgebetancourt View Post
I would like to buy one but only if original.. I'm curious what would happen if it blows? Would the projector get screwed up?

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I purchased a "bare" bulb for my Sony, so I'm not against this... but I'll toss this out.

You don't want a bulb blowing up in there. I can create a mess and even put small abrasions inside optics. Or so I'm told.

More importantly, if you don't get the right bulb... while it may technically work... it may run hotter than the original, which can cause problems. Also, you may not get the contrast you previously had.

Again, I've done bare bulbs so I'm not against it, just be aware.
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post #31606 of 31979 Old 03-07-2019, 10:34 PM
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I bought a Philips bare lamp for my Sony Pearl, worked out just fine at a fraction of the cost.
The problem was the original housing was so brittle from heat, it was almost impossible to re-use it, but I did make it work.

Shortly after I sold it on eBay, the lamp stopped working, something went wrong with the housing, I ended up knocking off a 100 bucks from the sale when the seller got a new housing from the Sony store.
I went to great lengths to keep my perfect eBay score.

I think these bare lamps are like car parts, you can buy a genuine Ford fuel pump from around 400 to 600 bucks and it will last for a very long time, or you can buy a cheap one for a 100 bucks and it may last less then a year or longer, there's no quality control on the cheap stuff.
If something goes wrong with the Ford part, the defect can be traced back to where the problem started, that's what makes it so expensive and it's this quality control why the Ford stuff very rarely fails.
All the parts are tested along the way to make sure they function as they are supposed too and it's all that testing is what makes it reliable, if a problem shows up, then it's caught before it gets to the public.

I believe the same can be said for these bare lamps.

Ushio may fill an order for JVC and purchase 10,000 lamps and in fact JVC more then likely has Ushio build the housings too, as with the genuine Ford parts, they are tested more extensively to function to a higher standard before the JVC logo is put on them, weather that is on the box, or housing or both.
So when one buys a relatively inexpensive lamp, it may be genuine, but I believe that quality control is lost.

I bought a lamp for my old Panasonic 4000 from one of these on-line retailers that sold only lamps, some with housings, some with out.
The bulb was genuine, so the logo on the bulb said, but the housing was made out of this cheaper plastic that smelled like burning Styrofoam.
When I confronted the place where I bought the lamp from, they said "the smell will go away", it never did, so I ended up reusing my old housing.
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post #31607 of 31979 Old 03-08-2019, 05:52 AM
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Originally Posted by JeffR1 View Post
I bought a Philips bare lamp for my Sony Pearl, worked out just fine at a fraction of the cost.

The problem was the original housing was so brittle from heat, it was almost impossible to re-use it, but I did make it work.



Shortly after I sold it on eBay, the lamp stopped working, something went wrong with the housing, I ended up knocking off a 100 bucks from the sale when the seller got a new housing from the Sony store.

I went to great lengths to keep my perfect eBay score.



I think these bare lamps are like car parts, you can buy a genuine Ford fuel pump from around 400 to 600 bucks and it will last for a very long time, or you can buy a cheap one for a 100 bucks and it may last less then a year or longer, there's no quality control on the cheap stuff.

If something goes wrong with the Ford part, the defect can be traced back to where the problem started, that's what makes it so expensive and it's this quality control why the Ford stuff very rarely fails.

All the parts are tested along the way to make sure they function as they are supposed too and it's all that testing is what makes it reliable, if a problem shows up, then it's caught before it gets to the public.



I believe the same can be said for these bare lamps.



Ushio may fill an order for JVC and purchase 10,000 lamps and in fact JVC more then likely has Ushio build the housings too, as with the genuine Ford parts, they are tested more extensively to function to a higher standard before the JVC logo is put on them, weather that is on the box, or housing or both.

So when one buys a relatively inexpensive lamp, it may be genuine, but I believe that quality control is lost.



I bought a lamp for my old Panasonic 4000 from one of these on-line retailers that sold only lamps, some with housings, some with out.

The bulb was genuine, so the logo on the bulb said, but the housing was made out of this cheaper plastic that smelled like burning Styrofoam.

When I confronted the place where I bought the lamp from, they said "the smell will go away", it never did, so I ended up reusing my old housing.
So if you wanted to buy one today for JVC RS which one would you say is the safest bet..

Ushio?

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post #31608 of 31979 Old 03-08-2019, 09:07 AM
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Originally Posted by jorgebetancourt View Post
So if you wanted to buy one today for JVC RS which one would you say is the safest bet..

Ushio?

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Probably Ushio...

Just out of curiosity I checked what was available for my Sony 300es and there are no factory lamps left, or none that I could find.
The cost of a factory OEM was around 699.00 Canadian.
Some unbranded ones were as cheap as 50 bucks all the way up to almost a grand with 200 dollars shipping on eBay.
Sellers on eBay are full of Sh*t sometimes living in a dream world.
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post #31609 of 31979 Old 03-08-2019, 09:10 AM
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Originally Posted by jorgebetancourt View Post
So if you wanted to buy one today for JVC RS which one would you say is the safest bet..

Ushio?
The bulbs used in the JVC PK-L2615U lamp assembly are Ushio NHSA250JK.
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post #31610 of 31979 Old 03-08-2019, 10:12 AM
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Originally Posted by Dominic Chan View Post
The bulbs used in the JVC PK-L2615U lamp assembly are Ushio NHSA250JK.

Really strange that entering NHSA250JK in a Google search results in no hits at all!

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I’m wondering how many hours I can go safely on this lamp. The “replace lamp” comes up automatically at 3400 hours but doesn’t JVC say 4000 or 5000 hours? I think the image looks just fine and am willing to keep going on this lamp but do not want to run into issues...
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post #31612 of 31979 Old 03-08-2019, 11:21 AM
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Originally Posted by Dreamliner View Post
I’m wondering how many hours I can go safely on this lamp. The “replace lamp” comes up automatically at 3400 hours but doesn’t JVC say 4000 or 5000 hours? I think the image looks just fine and am willing to keep going on this lamp but do not want to run into issues...
Man I would just change it.. if it blows up you can be in trouble.

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post #31613 of 31979 Old 03-08-2019, 11:33 AM
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Man I would just change it.. if it blows up you can be in trouble.
Yeah but the same people who decided 3400 hours to introduce a replace lamp pop up are also the ones selling the lamps...
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post #31614 of 31979 Old 03-08-2019, 11:39 AM
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Yeah but the same people who decided 3400 hours to introduce a replace lamp pop up are also the ones selling the lamps...
I hear you but your projector cost so much more. Its worth the investment at this point.

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post #31615 of 31979 Old 03-08-2019, 12:51 PM
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Really strange that entering NHSA250JK in a Google search results in no hits at all!
Sorry for the typo. It’s supposed to be NSHA250JK.
If you look at your lamp it should show that.
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post #31616 of 31979 Old 03-08-2019, 01:35 PM
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Thanks. I don't have access to the lamp at this time. At least now I can order up a bare bulb

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bulb swap photos

Swapping in the spare lamp is straight forward and only takes about 20 minutes

Some photos below of the process.

Spoiler!


I didn't realize the current lamp housing also has the 'flapper' they added in the RS40/45/55 series to try and prevent the premature lamp dimming.



Those lamps were pretty bad for the time period. I don't think it helped those models much, the air outlet on the those early models were smaller than on the 2012+ RS46 and newer models. my guess is engineering figured this out eventually and increased the size + used a larger squirrel cage fan to increase airflow to the lamp.

These 2015+ lamps have been great performers so far. My original lamp is near 2,000 hours and still working great.

Spoiler!
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post #31618 of 31979 Old 03-08-2019, 10:13 PM
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Originally Posted by zombie10k View Post
Swapping in the spare lamp is straight forward and only takes about 20 minutes

Some photos below of the process.

Spoiler!


I didn't realize the current lamp housing also has the 'flapper' they added in the RS40/45/55 series to try and prevent the premature lamp dimming.

Spoiler!


Those lamps were pretty bad for the time period. I don't think it helped those models much, the air outlet on the those early models were smaller than on the 2012+ RS46 and newer models. my guess is engineering figured this out eventually and increased the size + used a larger squirrel cage fan to increase airflow to the lamp.

These 2015+ lamps have been great performers so far. My original lamp is near 2,000 hours and still working great.

Spoiler!
Thanks very much @zombie10k . I have a bare bulb ready for installation when required, so I really appreciate the photos.
Great work as always.
Has your replacement RS2000 arrived yet?
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Chad B was at my place yesterday, primarily for a full re-calibration of my audio since I had gotten new LCR speakers for Christmas, but while he was here he helped me tweak my UB820.

I must say that he brought some new life to my RS500. My video was pretty good before, but I am very happy with 4K playback now. Since I prefer to keep my unit in low lamp mode to cut down on the fan noise, I know have plenty of brightness for my playback needs!

Now I am going to go back and replay several recently watched movies to see the improvements.

As much as I would like to upgrade to a NX7, I am going to stick with my RS500 for as long as a I can.

Thanks again @Chad B !

OH.... My audio is fantastic as well! lol
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post #31620 of 31979 Old 03-10-2019, 09:29 AM
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Originally Posted by COACH2369 View Post
Chad B was at my place yesterday, primarily for a full re-calibration of my audio since I had gotten new LCR speakers for Christmas, but while he was here he helped me tweak my UB820.

I must say that he brought some new life to my RS500. My video was pretty good before, but I am very happy with 4K playback now. Since I prefer to keep my unit in low lamp mode to cut down on the fan noise, I know have plenty of brightness for my playback needs!

Now I am going to go back and replay several recently watched movies to see the improvements.

As much as I would like to upgrade to a NX7, I am going to stick with my RS500 for as long as a I can.

Thanks again @Chad B !

OH.... My audio is fantastic as well! lol
Congrats! I have an appointment with @chadb coming soon also,I'm in the same boat as you,would love to get the RS2000 but I'm going to wait one more year. I have a RS600 and will be picking up the UB820 before he gets here.

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jvc-rs500u synch/display issue? , RS600

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