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Old October 6th, 2003, 12:32 PM   #1
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Quick help needed on BNC to S-Video!

I have a chance to pickup a used Sony Broadcast monitor. It only has component BNC inputs. Any quality issues as I will be using the monitor for DVX100 critical viewing and NLE color correction? Any good source for adaptor cable from s-video out into component BNC in?
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Old October 6th, 2003, 05:19 PM   #2
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S-Video can be broken out to Luma and Chroma, but not component (R/G/B). If the "component" connectors are luma/chroma, you just need to find or make a breakout for the svid lines to BNC. Otherwise, you're going to need some much heftier adapting (converter box kind of stuff)
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Old October 6th, 2003, 09:45 PM   #3
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Is there a quality loss with a convertor box?
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Old October 6th, 2003, 09:51 PM   #4
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Out of curiousity, what kind of monitor has ONLY component inputs? Are you sure it's not composite or something? It seems rather silly to have only that kind of input.
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Old October 6th, 2003, 09:56 PM   #5
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It's a Sony Sony PHM-20M8U
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Old October 6th, 2003, 11:51 PM   #6
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Several high grade Sony monitors have only YUV (component)
analog input.
Qualitywise - the main reason for useing YUV in is that it has
far higher quality than composite or Y/C (S-video) YUV is a
production "thing" and this signal is not a coded NTSC or PAL
signal but rather three video signals Y (someting like black
and white) and two colour signals U and V both on video
level and not a subcarrier coded signal like NTSC etc.
The DV/DVCAM digital "stream" is also an YUV signal, but
a seriel one (one after the other on one cable) while the
analog YUV (used in and out of a Beta SP etc.) is a parallel
thing (three cables). Some of these Sony monitors can also
use RGB (like in a normal computer monitor) but that is not
the same thing as YUV.
Quality when transcodeing from Y/C to YUV - you wont get the same quality as with direct YUV but with a good (not cheap)
transcoder it well look okey.
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Old October 13th, 2003, 07:27 AM   #7
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PHM-20 is quite a high level monitor, it's better to use a good converter to get out a best possible quality. Maybe it would be better to use firewire to analogue component converter instead of Y/C to analog component. I know company named Miranda makes such things, but there is alot more of them out there.

regards, Margus
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