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Tim in Phoenix
Joined: 21 Oct 2006
Posts: 4409
Location: Phoenix
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| Posted: Mon Dec 31, 2012 4:26 pm Post subject: |
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| ElTopo wrote: | Thx Tim.
Any pros or cons between a 10%/20% overlap ? |
Smaller overlaps may be harder to hide. Use the percentage that allows the most phosphor usage. The processors are programmable for overlap, usually 0 to 25%
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jbmeyer13
Joined: 03 Dec 2010
Posts: 1135
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| Posted: Mon Dec 31, 2012 5:39 pm Post subject: |
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| Nashou66 wrote: | | jbmeyer13 wrote: | Once you stack, you won't switch to a blend. Getting a stack set up properly is enough of a PITA and after all that I doubt you are going to want to re-position the PJ's, spend more $$$$ and start from scratch. I believe Craig has set up blends before and he says you'll always see the blend zone. Whether that will bother you is another issue all together, guys like Bob and Tim don't mind it but you might find it really irritating. Maybe you should take a trip to Phoenix and see Tim's set up before you make your final decision.
One benefit of a blend is that you could theoretically run 4K material. |
Not true. I set up my 8500 stack in less than an hour. Blend 2 years and counting. 
nashou |
Stop it 
If a stack were easy then Craig would do it 
Are the twins finally LC?!?! You'll be thanking me 
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Projector: Modded 9501LC ULtra- MP VIM, Vold VNB, ETECH LVPS, Silver VIM Cables, HD10F's & a V1 case!
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Boilermaker
Joined: 21 May 2006
Posts: 527
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| Posted: Sun Jan 06, 2013 2:15 pm Post subject: |
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Not true. I set up my 8500 stack in less than an hour. Blend 2 years and counting.
nashou |
Actually, this is only partially true. Nash would tear the whole thing down just to add a new capacitor if he thought it would make an improvement. When he watches a movie, he only does it to look for faults so that he can fix them. It is a disease and I know all about it because I also have it. "Tweekeritis"
After it is set up, about the only disadvantage of a blend is that it takes about 20 minutes to warm up so that the blend zone comes into convergence. Probably caused more by the tubes warming up and changing shape than the electronics if I had to guess.
But the reward is an awesome picture.
Bob
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Aussie_Al
Joined: 18 Feb 2009
Posts: 47
TV/Projector: NEC 9PG, XG1101, XG1350
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| Posted: Sun Jan 06, 2013 2:55 pm Post subject: |
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| Boilermaker wrote: |
But the reward is an awesome picture.
Bob |
THATS what I like to hear...I'm still awaiting to find a 2nd XG LC...or a parts machine to convert 1.
I'll be hitting u up Bob and/or Nash once I do! 
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Boilermaker
Joined: 21 May 2006
Posts: 527
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| Posted: Sun Jan 06, 2013 3:28 pm Post subject: |
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Go for it!
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Motobias
Joined: 08 Jul 2008
Posts: 163
Location: Osnabrueck, Germany
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| Posted: Mon Jan 07, 2013 8:14 pm Post subject: |
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jesus...that's a massive setup
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ElTopo
Joined: 07 Nov 2006
Posts: 1640
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| Posted: Wed Jan 30, 2013 3:19 pm Post subject: |
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First try with the TV one's into my CRT monitor from Sony with two vga inputs.
Left and right have to be converged in realtiy of course
ElTopo 
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Nashou66
Joined: 12 Jan 2007
Posts: 16171
Location: West Seneca NY
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ElTopo
Joined: 07 Nov 2006
Posts: 1640
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| Posted: Wed Jan 30, 2013 3:31 pm Post subject: |
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Thanks 
That was my intention. Prepare them for use with the projectors plug'n play.
cheers
ElTopo
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Nashou66
Joined: 12 Jan 2007
Posts: 16171
Location: West Seneca NY
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ElTopo
Joined: 07 Nov 2006
Posts: 1640
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| Posted: Wed Jan 30, 2013 3:34 pm Post subject: |
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Where is the biggest prob ?
Converging the two ? or the blend zone ?
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Nashou66
Joined: 12 Jan 2007
Posts: 16171
Location: West Seneca NY
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mc86
Joined: 20 Sep 2008
Posts: 767
Location: pittsburgh, pa
TV/Projector: ECP 4500 (Vidikron box), ECP4500+, wanting 07MS/07MTS, evaluating pc soft-blend
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| Posted: Thu Jan 31, 2013 5:52 pm Post subject: |
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ElTopo's work has got me thinking more about my planned blend and now I am very worried. In particular, my trusty ole' ECP loses convergence more often than not when turned off. While I have the machine pretty well aligned mechanically and adjusted via trimpots, as often as not I have to shift blue over a smidge and tweak red a little bit on the sides when I start-up the PJ (and even if warmed-up). That said, thinking about the need to adjust the two PJs to one-another got me to wondering something:
Does:
A) my green tube always shoot on the same part of the tube face and red and blue simply wander off of that location OR
B) does my green tube always move a little on the tube face AND blue and red track relative to that location (but only off a little on my machine)?
I could live with case A) as my convergence times would simply double from 30sec to about 1min. That is, the two greens would "hold" alignment to one-another and I'd just touch-up blue and red for each of the two machines. However, case B) would be virtually impossible to deal with as I'd need some mechanical way to re-align machine's green to the other. Anyone know how this goes on an ECP or do I need to breakout the manual and see if I can figure this out. Not sure how much the Marquees are like the ECPs in this respect...
Matt
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mp20748
Joined: 12 Sep 2006
Posts: 5689
Location: Maryland
TV/Projector: 9500LC Ultra / Super 02 and 03 VIM
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| Posted: Thu Jan 31, 2013 6:01 pm Post subject: |
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| mc86 wrote: |
Does:
A) my green tube always shoot on the same part of the tube face and red and blue simply wander off of that location OR
B) does my green tube always move a little on the tube face AND blue and red track relative to that location (but only off a little on my machine)?
Matt |
That's the nature of ECP's - that's the way they were brand new right out the box.
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mc86
Joined: 20 Sep 2008
Posts: 767
Location: pittsburgh, pa
TV/Projector: ECP 4500 (Vidikron box), ECP4500+, wanting 07MS/07MTS, evaluating pc soft-blend
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| Posted: Thu Jan 31, 2013 8:13 pm Post subject: |
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| mp20748 wrote: |
That's the nature of ECP's - that's the way they were brand new right out the box. |
Wow Mike - that is amazing to learn and crazy some many were sold in spite of this. I guess installers had to get the mechanical setup and trimpots set to perfection in order to make digital convergence adjustments largely unnecessary? Or maybe that is why there are so many of the ACON boards/cameras around? ¯\ (°_°) /¯
That said, anyone know if the green crosshatch moves around as I described in case B)? If no one can weigh in, I 'suppose I have some data to gather over the next few days/weeks.
Matt, who is now wondering where he left the roll of blue painter's tape...
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Nashou66
Joined: 12 Jan 2007
Posts: 16171
Location: West Seneca NY
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| Posted: Thu Jan 31, 2013 8:20 pm Post subject: |
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| mc86 wrote: | | mp20748 wrote: |
That's the nature of ECP's - that's the way they were brand new right out the box. |
Wow Mike - that is amazing to learn and crazy some many were sold in spite of this. I guess installers had to get the mechanical setup and trimpots set to perfection in order to make digital convergence adjustments largely unnecessary? Or maybe that is why there are so many of the ACON boards/cameras around? ¯\ (°_°) /¯
That said, anyone know if the green crosshatch moves around as I described in case B)? If no one can weigh in, I 'suppose I have some data to gather over the next few days/weeks.
Matt, who is now wondering where he left the roll of blue painter's tape... |
Set up one mark the green center grid after a 30 minute warm up over blue painters tape with a cross right over the
grid line. shut down the pj. leave it off for a few hours. turn it on for 30 minutes and see if it moved.
I wonder if some of the maintenance we do on the Marquee would help the ECP , I remember Ken Hottie Recaped his ECP and said it really stabilized it .
Athanasios
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ElTopo
Joined: 07 Nov 2006
Posts: 1640
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| Posted: Sat Jan 11, 2014 8:42 pm Post subject: |
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@Tim: What resolution out of the DI-VENTIX was used to each projector ?
thanks
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Tim in Phoenix
Joined: 21 Oct 2006
Posts: 4409
Location: Phoenix
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| Posted: Sun Jan 12, 2014 12:49 am Post subject: |
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Hello
1280 x 1024p @ 60hz. 1080p was not a stock resolution.
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ElTopo
Joined: 07 Nov 2006
Posts: 1640
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| Posted: Sun Jan 12, 2014 8:41 pm Post subject: |
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Thanks Tim.
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Blockbullie
Joined: 15 Apr 2010
Posts: 224
Location: willamette valley ,Oregon
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| Posted: Sat Jan 25, 2014 7:39 pm Post subject: |
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Hay Tim will the di-venti x do 2560x2048
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