Originally Posted by Geof
Convergence is looking a lot better today. I centered the lens and repositioned the pj so no H-Shift is req'd. There is a bit of v-shift but not a lot.
As you can see from the photo's convergence looks much better. Still not perfect but I think this is acceptable.
Lawguy, I also put the Oppo in source direct and also tried the setting I had last night (1080p) and observed no difference. Other DVD players may not behave so well tho....
I have only uploaded one series of photo's - the 3 were taken near the right edge (near vertical center). There are some variations across the screen but for the most part the photo's are pretty representative of how things look across the entire screen. The grid looks mostly white when I stand back 5'.
The first shot is with an internal pattern. The next two are using v2 of the AVS disc - the only difference being that I shifted Blue by 1 pixel to show the change.
Ric, I will check out scrolling credits sometime today.
Earlier, I posted that the v1.3 of the AVS Disc exhibited flashing and flickering and that is consistent. Version 2.0 of that disc does not have any issues....it displays normally with no flashes or flickers. I don't know if this is a disc issue (Kris Deering noted the same thing) or a JVC issue, but so far that problem has not been noted by any owners while watching real content. For now I put this in the "hummm" category and unless this shows up somewhere down the line I'm no longer considering it an issue.
As to the video noise, it's there. The noise is present for a fairly wide range of grey shades and is visible a foot away from the screen. If I back off to 3' most of it cannot be seen. If I back off to 5' I have to really try hard to see it. It is completely a non factor at my seated position (for reference my screen is 81" wide and sit back 156" [13']). I don't believe this is an issue - especially for real content (as compared to test patterns).
Geof - yes indeed this looks much better. Mark has been a big proponent of not using horizontal shift (or as little as possible) due to this and other related issues.
The blue especially in the third photo looks off quite a bit. Out of all the colors though, that's the one to have off if you're going to have some MC. It looks like its out about a 1/2 pixel or more. Any way to get an even closer picture - perhaps zoomed from where you are taking this?
Also is your pj mounted and inverted. Sometimes hanging it upside down changes the MC for better or worse (even tough of course it is designed for inverted mounting).ANOTHER PATTERN:
Geof - there is another pattern I would LOVE to see from your projector. I think its in the same section where the convergence pattern is. It is on the same AVS HD 709 disc. Its a circular pattern. Basically a spiral / spoke looking thing. You can't miss it once you see it you'll be like oh that's what he's talking about.
Can you post a photo of this, both from your seating position as well as from about half distance from your seated position?
This pattern checks convergence errors and resolution. Basically, the deeper into the center of the pattern you can clearly see, the more resolution and detail that is being revealed. Use the Detail Enhance function in conjunction with this pattern to determine the optimal setting (probably around 30). You'll see as Detail Enhance goes up from 0 you'll start to see deeper and deeper into the center. Then you'll reach a point where increasing the setting doesn't go any deeper - that's when you know you are at the right setting.
Also this pattern shows convergence and other such issues because the pattern is SUPPOSED to be purely grey. No color at all. However you will likely see some red and/or green within the circle. The less of this, the better.
Please post the photo of this so we can check it out. Thanks.