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tbsb9595
Joined: 28 Dec 2011
Posts: 19
Location: FL
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| Posted: Wed Dec 28, 2011 4:05 pm Post subject: Why do I get a green picture on sony 1271 with 3 RGB cables |
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When using my Sony 1271 with the 4 or 5 cable RGB connection from my old video processor the picture is fine, but when i use the 3 cable RGB connection I only get a green picture from a new OPPO DVD player I just got. I tried this with another player with only 3 RGB's and got the same result. ANY HELP WOULD BE GREATLY APPRECIATED!
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ecrabb
Forum Moderator
Joined: 13 Mar 2006
Posts: 15909
Location: Utah
TV/Projector: JVC RS40, Epson 5010
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| Posted: Wed Dec 28, 2011 4:27 pm Post subject: |
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Welcome to the forum!
Those "3 RGB's" from the Blu-ray player aren't actually RGB; rather, they're component, or YPbPr. Component is a totally different encoding scheme (from RGB). To feed a 1271, you'll need a component-RGB transcoder, or better yet, something like an HD Fury or HDMI input card, which converts the digital signal from the HDMI output of the Oppo to an analog RGBHV signal the 1271 can handle.
See this page for more info:
http://www.curtpalme.com/CRTPrimer_18.shtm
SC
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flipdog
Joined: 22 Dec 2011
Posts: 156
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AnalogRocks
Forum Moderator
Joined: 08 Mar 2006
Posts: 26706
Location: Toronto, Ontario, Canada
TV/Projector: Sony 1252Q, AMPRO 4000G
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tbsb9595
Joined: 28 Dec 2011
Posts: 19
Location: FL
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| Posted: Thu Dec 29, 2011 2:16 pm Post subject: |
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Thanks everyone for the info! I was wondering which item would give me a better picture on my Sony 1271 - the transcoder with gamma boost or an hdmi card for the Sony? Thanks
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barclay66
Joined: 27 Jun 2011
Posts: 1304
Location: Germany
TV/Projector: Marquee 9500 Ultra
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| Posted: Thu Dec 29, 2011 3:12 pm Post subject: |
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Hi,
The HDMI Card will yield the best picture quality as there will be only one video conversion step (Digital to Analog) instead of two (Digital to Analog to Analog). Especially the second conversion could lower sharpness and reduce picture detail...
Regards,
barclay66
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