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gnnash
Joined: 10 Jul 2013 Posts: 216 Location: Lake Elmo, MN
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Link Posted: Sun Sep 08, 2013 12:22 am Post subject: Runco DTV-1100 / BD 1209s 1080p/60 issue |
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I've got an issue displaying 1080p on my DTV-1100.
When displaying 1080p/60 Hz. I am missing the left and right edges of the image. Raster is within the edges of the tube, and blanking is at zero - any blanking immediately starts cutting off more of the image.
Adjusting Horizontal Phase allows me to effectively scroll through the whole image, but I can't get it all to appear at once.
Playing with porches on a computer allowed me to see the whole image at once, but I obviously can't do that with a moome box, so all of my sources through it have the edges cut off.
Any thoughts? Thanks!
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CasetheCorvetteman
Joined: 09 Nov 2008 Posts: 6319 Location: Australia
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Link Posted: Sun Sep 08, 2013 1:26 am Post subject: |
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Upgrade to a Cine 9, then youll get it to just fit without losses
Its extremely close though. Then youll probably find 720p wont fill the width at all.
I dont know the answer to this other than buy a scaler of sorts.
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Francisco
Joined: 05 Apr 2007 Posts: 305 Location: The Netherlands
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Link Posted: Sun Sep 08, 2013 9:33 pm Post subject: |
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Hi,
this only can be solved with adjusted porch settings. So you will need PC or scaler to do this. I don't know if you have high scanning mode on this machine, that could be a solution as well.
Also on an 909 or Cine9 you'll have this problem more or less. Then the whole image is displayed but you'll have raster ringing that also need to be adjusted, with porch adjustments.
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CasetheCorvetteman
Joined: 09 Nov 2008 Posts: 6319 Location: Australia
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Link Posted: Sun Sep 08, 2013 10:06 pm Post subject: |
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No, not to the same degree on a Cine 9, bluray player and standard PC 1920x1080p @60Hz fits within the raster. Only just. 1920x1080p @50Hz will not fill the width of the screen though, its less forgiving than the NEC ever was.
Its not an uncommon thing for this to occur, most models of NEC XG have a simular issue, in my case with my 852 it fits just.
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gnnash
Joined: 10 Jul 2013 Posts: 216 Location: Lake Elmo, MN
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Link Posted: Mon Sep 09, 2013 1:55 pm Post subject: |
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Hmm... I guess I'll have to keep my eyes open for an HD-capable scaler then.
Thanks!
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gjaky
Joined: 05 Jun 2010 Posts: 2790 Location: Budapest, Hungary
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Link Posted: Mon Sep 09, 2013 5:54 pm Post subject: |
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Just out of curiosity, I used two kind of computers as HTPC, at 1080p 60Hz the PC with nVidia VGA gave me wrapped around picture on the 6PG xtra, on the other hand the PC with integrated intel VGA did well the 1080p without wraparound.
_________________ 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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gnnash
Joined: 10 Jul 2013 Posts: 216 Location: Lake Elmo, MN
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Link Posted: Mon Sep 09, 2013 6:12 pm Post subject: |
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When I can adjust the timing, with a source such as a PC, I can get the wraparound to go away by using larger porches. Unfortunately, I obviously can't do that from my receiver or Blu-Ray player.
I have a thought though - I wonder if I was able to change the EDID of the Moome box to have longer porches at 1080p, if my receiver will output an HDMI signal with larger digital porches, causing the Moome to output analog with larger porches.
I know there are linux tools for editing EDID's over HDMI or DVI... I might give this a shot when I get a chance, unfortunately it would mean setting up a linux partition on my PC.
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CIR Engineering
Joined: 25 Aug 2008 Posts: 4264 Location: Chicago USA & Berlin Germany
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Link Posted: Mon Sep 09, 2013 7:17 pm Post subject: |
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gnnash wrote: | When I can adjust the timing, with a source such as a PC, I can get the wraparound to go away by using larger porches. Unfortunately, I obviously can't do that from my receiver or Blu-Ray player.
I have a thought though - I wonder if I was able to change the EDID of the Moome box to have longer porches at 1080p, if my receiver will output an HDMI signal with larger digital porches, causing the Moome to output analog with larger porches.
I know there are linux tools for editing EDID's over HDMI or DVI... I might give this a shot when I get a chance, unfortunately it would mean setting up a linux partition on my PC. |
I highly doubt this will work.
Most if not all receivers will only output industry standard timings. So when your receiver outputs 1080p is will be with a total pixel count of 2200x1125 and nothing else.
craigr
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Nashou66
Joined: 12 Jan 2007 Posts: 16171 Location: West Seneca NY
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