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Getting rid of raster ringing on Marquees
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gjaky



Joined: 05 Jun 2010
Posts: 2802
Location: Budapest, Hungary

Posted: Sat Nov 18, 2017 10:45 am    Post subject:
I think Wolfspeed merged with Cree, as when I bought my FETs they were marketed already as Wolfspeed, but the package engraving still showed Cree.
The xls file I shared here earlier contains Scott's calculations Wink
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projectors in the past : NEC 6-9PG xtra, Electrohome Marquee 6-7500, NEC XG 1351 LC ( with super modified Electrohome VNB neckboard !!!)
current: VDC Marquee 9500LC
The MOD: VNB-DB, VIM-DB
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dvh99



Joined: 25 Dec 2009
Posts: 2158
Location: nederland

Posted: Tue Nov 21, 2017 1:06 am    Post subject:
still fiddling gjaky?
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marquee 9500ultra HD10L moome hdmi1.3 v3+ some mods.
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gjaky



Joined: 05 Jun 2010
Posts: 2802
Location: Budapest, Hungary

Posted: Tue Nov 21, 2017 10:57 am    Post subject:
dvh99 wrote:
still fiddling gjaky?


If my time lets me, yes. I guess I'm little behind "state of the art" Smile
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projectors in the past : NEC 6-9PG xtra, Electrohome Marquee 6-7500, NEC XG 1351 LC ( with super modified Electrohome VNB neckboard !!!)
current: VDC Marquee 9500LC
The MOD: VNB-DB, VIM-DB
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jbmeyer13



Joined: 03 Dec 2010
Posts: 1135
Posted: Wed Nov 22, 2017 3:53 pm    Post subject:
dvh99 wrote:
scott mentioned retrace timins so i put the caps back.
there is a formula for calculating retrace timings on page 39 or 40 from memory from the same scott aka tse.

the cree fets have been replaced by wolfspeed fets on the farnell site at much lower cost.


You've been on quite the sabbatical Dennis. You still running your Marquee?
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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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dvh99



Joined: 25 Dec 2009
Posts: 2158
Location: nederland

Posted: Thu Nov 23, 2017 1:05 am    Post subject:
yep but instead of putting the soldering iron on its movies nowadays though i prefer the soldering iron Wink
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marquee 9500ultra HD10L moome hdmi1.3 v3+ some mods.
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