Official JVC DLA-X700R / RS57U Owners Thread - Page 67 - AVS Forum
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post #1981 of 1988 Old 10-07-2014, 06:16 PM
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^^
Even if eShift is turned off in the projector's menu system, it will engage when you use the internal test patterns. There's nothing you can do about this. The best workaround I've found is to turn eShift off, turn the internal test pattern off, close down the aperture to its minimum manual setting, go right up to the screen, and use an externally-generated pattern (I use a solid green field) to focus the image. Using this method with my RS4910, I'm able to clearly make out individual pixels over the entire image (although they're slighly less sharp in the bottom corners of the screen). However, I do use a good deal of vertical lens shift and I'm almost at the minimum possible throw for my screen size, both of which would definitely account for the very slight defocusing I see at the absolute screen corners.
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post #1982 of 1988 Old 10-09-2014, 03:57 PM
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Quote:
Originally Posted by Schwa View Post
^^
Even if eShift is turned off in the projector's menu system, it will engage when you use the internal test patterns. There's nothing you can do about this. The best workaround I've found is to turn eShift off, turn the internal test pattern off, close down the aperture to its minimum manual setting, go right up to the screen, and use an externally-generated pattern (I use a solid green field) to focus the image. Using this method with my RS4910, I'm able to clearly make out individual pixels over the entire image (although they're slighly less sharp in the bottom corners of the screen). However, I do use a good deal of vertical lens shift and I'm almost at the minimum possible throw for my screen size, both of which would definitely account for the very slight defocusing I see at the absolute screen corners.
Thanks Schwa, that worked fine. It turned out that I was really close, but not right on. White is not a good choice because the gray over white contrast is lower, but green did the trick. I also noted that with the aperature stopped down even just three points, the astigmatism tails on each color were minimized. At that point it was also easier to see individual pixel lines for zone adjustment.

With this finer focus and the stopped down aperature I decided to reset the pixel offset and start over on pixel alignment. Since we're stuck with the wide lines during that operation and green is stationary, I did blue zone adjustment first, cyan vs white background, preferring it always to the left side of the green line. Let it just peek over green on the left side, and then move it right until blue completely disappears. Then the same with red since you now know exactly where blue is underneath green. The results were excellent with by far the best detail and color accuracy I have seen on that set.

--Bill
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post #1983 of 1988 Old 10-26-2014, 11:25 PM
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I recently picked up the lumagen radiance mini. I'll be doing an autocal with Calman5 and the C6 meter in the near future but I'm waiting on the availability of the C6.

Before the meter arrives and I delve into calibration, I have a few basic set-up questions about the lumagen and JVC.

Is there a consensus on which output color resolution is best with the lumagen for the JVC? Is 4:2:2 recommended over using 4:4:4?

And what is recommended for the "dithering" setting?

Also, I have found that using the "genlock" causes HDMI hang-up issues with the RS57 with resolution changes (1080p60 to 1080p24 and back), so I have disengaged that. Is there any significant down side to not using genlock?
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post #1984 of 1988 Old 11-22-2014, 10:41 AM
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I turned my projector on today and I am getting nothing through either hmdi inputs. I tried using a blu ray player connected directly to the back on the projector and blank screen on both hmdi inputs. Switch through several hmdi cables and nothing Any suggestions?

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post #1985 of 1988 Old 11-22-2014, 10:47 AM
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Maybe try unplugging it for 15 minutes but other than that good luck - it doesn't sound good.....

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post #1986 of 1988 Old 11-22-2014, 11:06 AM
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I'll in the middle od trying the unplugged process. Jvc csr said I need to update my firmware. I've updated once but haven't done the last one or two updates since last winter. That will be my next step.

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post #1987 of 1988 Old 11-22-2014, 08:29 PM
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Evidently jvc has two different pages to download the software with one link labels the most current software, but actually has the old firmware.

I found this out after hours of struggling with getting the first portion downloaded and not being able to get the second set to download. Talked to jvc support four times and though all very nice and helpful didn't have the answer. After the last call I decided to delete all firmware off my laptop and download from the link they supplied. I reinstalled the first portion and sure enough the second portion downloaded too. I fired up the projector and I now have the hdmi inputs accepting a signal. Long day, but I am so glad I don't have to send in my projector for repairs.

I will credit the support staff, they said it was a firmware issue and they were correct

Ron

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post #1988 of 1988 Old 11-23-2014, 09:15 AM
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Got to be a big relief to have it working.
Did something in the HDMI chain change since you last used the '57 (or was this the first time you fired it up)?

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