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benareeno
Joined: 22 Mar 2006
Posts: 1614
Location: ottawa, canada
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| Posted: Sat Aug 25, 2007 6:44 pm Post subject: Barco 701/708 sets vs the Runcos |
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I had a Barco 701 and I liked it...except for the excessive streaking.
I'm wondering if the Runco equivalent DTV943 had resolved the streaking issue?? Anyone know?
I know this projector has gamma correction builtin as well as component inputs...it's also small and relatively quiet. But if it streaks like that other Barco I had, then it's a no go...
Ben
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Stonefool
Joined: 24 Dec 2006
Posts: 253
Location: Sweden
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| Posted: Sun Aug 26, 2007 12:56 am Post subject: |
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Hmm, my experience is that if streaking occurs it is usually because of the user input. (But that's me)
Most of the times, you just have to equalize the hardware, so to speak.
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Trying to get everything to work.
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benareeno
Joined: 22 Mar 2006
Posts: 1614
Location: ottawa, canada
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| Posted: Sun Aug 26, 2007 1:44 am Post subject: |
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what does that even mean???
Ben
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Elaine Benes
Joined: 25 Apr 2006
Posts: 1416
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| Posted: Mon Aug 27, 2007 1:41 am Post subject: |
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Weeellll.
Considering "Runco" was more like "Profitco", I would highly, highly doubt they changed ANYTHING except the case color...
Runco was a PROFIT company, not a technology company....
If any streaking got fixed, Barco did it, and Runco took the credit and sold it for a 10,000% mark up...
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Ile
Joined: 09 Mar 2006
Posts: 1491
Location: Jyväskylä, Finland
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| Posted: Mon Aug 27, 2007 7:49 am Post subject: |
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I can check if 70* series streaking problem is caused by same circuitry as in 801s/808, but I need 70* service manual (least rgb amp section) for that...
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benareeno
Joined: 22 Mar 2006
Posts: 1614
Location: ottawa, canada
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| Posted: Mon Aug 27, 2007 7:04 pm Post subject: |
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and this means that there could be a fix??
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Ile
Joined: 09 Mar 2006
Posts: 1491
Location: Jyväskylä, Finland
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| Posted: Mon Aug 27, 2007 8:23 pm Post subject: |
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| benareeno wrote: | | and this means that there could be a fix?? |
Yes, it could be possible.
In 801s/808 removing abl chips from rgb amps help.
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Stonefool
Joined: 24 Dec 2006
Posts: 253
Location: Sweden
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| Posted: Wed Aug 29, 2007 12:52 am Post subject: |
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| benareeno wrote: | what does that even mean???
Ben |
I don't know if you can get away with the streaking part all together for the aboslute 100%. I'm not technically competent enough to judge any possible technical flaws that is within the design already.
What I mean is that I could reduce the streaking where it didn't show, to my eyes. By making sure I set everything up, and tweaked everything, more right, right. 
So, by making sure which input works best, with which cables, with which source output, with which resolution and frequenzy, contrast and brightness, and probably gamma, the streaking can be minimized.
My 708s suffers the streaking, but even though I notice it in some scenes now (which became a bit more apparent with the HDFury), I know this can be minimized even futher, since when the installer did the initial setup (long before the HDFury and before I, err, just happened to zero out everything, doh,) and, colors and greyscale, (even without the specialised tools) I never noticed any streaking. But, of course, it probably was there, I just didn't see it.
I don't know about the 701, but the 701S I had I could choose from component inputs with bi and tri linear sync, "true" RGBS, and of course the cheaper version of RGBS using a T-connector for H/V sync cables ... the latter two yeilded less streaking for my pj, with a desent cable not pushing the video timings to the max, and made sure I got the horizontal phase ok, and didn't use, or need, to use too much of brighness and contrast. With the 701S I always used the default 6500K color, I think.
(With the 701S, with the original lenses, I actually thought the Halo effect was more bothersome than the streaking issue. I mean how many scenes are there with a single light source in a complete dark room?)
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benareeno
Joined: 22 Mar 2006
Posts: 1614
Location: ottawa, canada
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| Posted: Wed Aug 29, 2007 3:44 pm Post subject: |
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So, if the 708s still streaks, I can all but guarantee the Runco's will streak too...I cannot imagine how such an expensive piece of equipment would be designed, engineered, tested and released with this HUGE issue. It's ridiculous...
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Stonefool
Joined: 24 Dec 2006
Posts: 253
Location: Sweden
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| Posted: Fri Aug 31, 2007 11:36 pm Post subject: |
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| benareeno wrote: | | So, if the 708s still streaks, I can all but guarantee the Runco's will streak too...I cannot imagine how such an expensive piece of equipment would be designed, engineered, tested and released with this HUGE issue. It's ridiculous... |
Yes it does streak, on the "after text". Personally I don't bother reading it.
So perhaps the Runco will streak, but will it be noticable after you have set it up more properly?
(The three CRTs I've own, and the higher ends I've demoed, have all had some shortcomings, no one has been absolutly without flaws in there original design. Can't answer for the what the wizards can do, though.)
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