Joined: 06 Mar 2006
Location: Ottawa, Canada
TV/Projector: JVC DLA-RS56
| Posted: Sat Apr 19, 2008 6:03 pm Post subject: FAQ: RTC2000 Component to RGB Converter (no Gamma Boost)
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RTC2000 Component to RGB Converter (no Gamma Boost)
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Add a component input to any projector, TV, or monitor that only accepts RGB (VGA)!
The RTC2000 converts the component (YPbPr) signal found on many source devices to a RGB signal required by most CRT projectors, computer monitors, and some TVs. Designed by a home theater enthusiast, it is regarded by most enthusiasts as the best component to RGB transcoder available (regardless of price). The fact that it's one of the least expensive ones available and has a pile of extra features like adjustable gamma boost is an added bonus!
The RTC2000 is identical to the RTC2200 other than the lack of the adjustable Gamma Boost feature. If you already have a device to add Gamma Boost to your setup, consider the RTC2000. Otherwise the RTC2200 is a better option. For more information and screenshots of Gamma Boost in action see here.
Allows you to use an analog output cable of any length as the RTC2000 has a cable driver stage. Perfect for those of you that already have a long RGBHV cable going to your projector.
Allows you to set the sync polarity for fussy projectors or displays like older Barco projectors.
Allows you to tune the horizontal shift, horizontal width, and vertical height.
- High-Bandwidth (up to 1080p/60).
- Completely removes all sync from the output.
- Automatic or manual setting of H-delay, H-width, V-width, H-polarity and V-polarity, including user selectable positive or negative sync output for older projectors like Barco 800/801/808/1208 that only accept negative sync.
- RGBHV pass-through compatible with all standard PC graphics resolutions.
- Auto-switches between inputs (if no sync is present on the RGB input than the component input is selected).
- Manual or automatic color conversion selection for SD and HD color space.
- Accepts bi- and tri-level sync and is Macrovision compatible (except 480i, 576i).
- Accepts the following component video formats: 480i, 480p, 576i, 576p, 720p, 1080i23/25/30, 1080p50/59/60
- All sync settings as listed above can be individually set in automatic or in manual mode.
- The black level of the output signal can be manually set which is ideal for DC coupled systems.
The RTC2000 user user manual with detailed instructions can be found here. (PDF format)
My display requires negative sync to work (Example: Older Barco units like 800/801, some 808). Can I force negative sync output with this device?
Yes, there are jumpers available to force negative sync output.
Does the RTC2000 change the resolution? Upconvert or downcovert?
The RTC2000 does not change the resolution or refresh rate in any way. It simply converts the component input signal to an RGBHV (VGA) signal. The RTC2000 outputs whatever resolution you feed it. Absolutely nothing is changed.
Does RTC2000 have problems driving longer RGB output cables? Do I have to keep the output cables short?
No. There is no need to keep the cable between the RTC2000 and the projector as short as possible. Long cables work fine. The RTC2000 has an RGBHV output driver stage so it has no problems driving the typically long (25-50') cables found in most home theaters. As always (with or without the RTC2000 box), you should always try and use high quality 75 Ohm terminated cables whenever possible - especially if the cables are long.
My display has composite (ie: combined) sync with only 4 BNC inputs not 5. (Examples: Barco 7xx/Cine7 or Ampro). How do I hook it up?
Combine the H/V sync lines using a $2 BNC T-connector like this. You could also use an Extron 109 or 202 box as well to combine the two sync lines.
My display sometimes loses sync which results in a blanking or diagonal ripping of the image. What can I do?
Set the RTC2000 to positive sync instead of negative. See the manual for how to do this. This seems to happen particulary often with Electrohome Marquee CRT projectors.
Futher questions should be directed to Crescendo-Systems at: firstname.lastname@example.org
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