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FAQ: TC1600 RGB to Component Converter (with extras)

 
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kal
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Location: Ottawa, Canada

TV/Projector: JVC DLA-RS56


PostLink    Posted: Fri Jun 06, 2008 7:26 pm    Post subject: FAQ: TC1600 RGB to Component Converter (with extras) Reply with quote


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TC1600 RGB to Component Converter

Click HERE to order today directly from the manufacturer!

To be notified immediately of any news on this product, click HERE (you must be registered and logged in).


Add a VGA (RGBHV) input to any projector, TV, or monitor that only accepts a component (YPbPr) signal!


The TC1600 converts an RGB (VGA) signal found on devices such as PCs to a component (YPbPr) signal required by most TVs. Designed by a home theater enthusiast, it is regarded by many as the best RGB to component transcoder available (regardless of price). The fact that it's one of the least expensive ones available is an added bonus!

The TC1600 transcoder was developed to be flexible and to provide impeccable visual quality. It is one of the few transcoders that has a separate color conversion for different resolutions in order to provide optimum color fidelity. Although the required conversions are nearly identical, the difference cannot be ignored when optimum quality is pursued.

The TC1600 allows you to use the RGB sources on TV's that only have component inputs!

Corrects the "Left Shift" issue introduced on some displays.
The TC1600's cable driver stage also lets you use an analog output cable of any length. Perfect for those of you that already have a long component cables installed.

Adjustable Gamma Boost: The TC1600 adds gamma adjustment to the signal for absolutely perfect shadow detail.

What does the adjustable gamma boost do?

An adjustable gamma boost is used to restore shadow detail. If you've always found movies too dark or missing detail in dark scenes, you need a gamma boost! This is best shown with real life examples:



Specifications/Features:
  • Highly flexible VGA (RGBHV) to Component (YPbPr) transcoder.
  • High-Bandwidth component output (up to 1080p/60).
  • Automatically switches between SD and HD colour spaces.
  • Adjustable gamma correction for absolutely perfect shadow detail. The gamma curve up to 30IRE can be adjusted in order to improve the low level linearity.
  • Full control of all timing functions including a full screen picture shift that can be used to compensate for a left shift caused by some HDMI converters.
  • Supports all video formats, resolutions and refresh rates, interlaced or progressive, including common resolutions such as 480p, 720p, 1080i, 1080p.
  • Fully transparent with respect to timing and is therefore optimally suited to drive a variety of display devices.
  • Drives cables of up to 50 feet (16m).
  • High bandwidth (>130Mhz) signal processing.
  • Female VGA connector
  • Component (YPbPr) output on three colour-coded RCA connectors. Vout = 1Vp-p when driving a standard 75 Ohm cable load.
  • Includes external US power supply.
  • Ideal for connecting a Home Theater PC (HTPC) to a TV/projector that only has component inputs.

Manual

Coming soon!

FAQ

Does the TC1600 change the resolution? Upconvert or downcovert?
The TC1600 does not change the resolution or refresh rate in any way. It simply converts a VGA (RGBHV) input signal to a component signal. The TC1600 outputs whatever resolution you feed it. Absolutely nothing is changed.

Does TC1600 have problems driving longer analog output cables? Do I have to keep the output cables short?
No. There is no need to keep the cable between the TC1600 and the projector/TV short. Long cables up to 50 feet (16m) work fine. The TC1600 has an output driver stage so it has no problems driving the typically long cables found in most home theaters. As always (with or without the TC1600 box), you should always try and use high quality 75 Ohm terminated cables whenever possible - especially if the cables are long.

Are sync adjustments possible with the TC1600?
Yes, there is a width adjustment on both H and V sync. This will help some people with displays that are fussy about the sync timings.


Pictures

Coming soon!

Futher questions should be directed to Crescendo-Systems at: crescendo-systems@curtpalme.com


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Last edited by kal on Sun Nov 28, 2010 2:12 pm; edited 2 times in total
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beun



Joined: 28 Jun 2006
Posts: 670



PostLink    Posted: Wed Jun 11, 2008 5:24 am    Post subject: Reply with quote

I will post this in both the TC1500 and the TC1600 thread.

There are now two RGB to component transcoders available: the TC1500 and the TC1600. The full details can be found on this website but in short these are the highlights

TC1500

1) Very small form-factor
2) Automatic SD or HD color selection
3) No gamma
4) No left shift


TC1600

1) RTC2200 form factor
2) Automatic SD or HD color selection
3) Adjustable gamma
4) Left shift of the picture


Unless indicated otherwise everyone that ordered a TC2000 or TC1500 before yesterday will automatically receive a TC1600 as soon as they are available. If anyone is not interested in the gamma or left shift just drop me a PM and I will ship a TC1500 instead.

The current status is as follows: The production boards and cases have been ordered and I expect the cases to arrive in about three weeks, the first TC1600's will ship soon thereafter. I can assemble not more than about 2 per day so please be patient.


Kim

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beun



Joined: 28 Jun 2006
Posts: 670



PostLink    Posted: Tue Jun 24, 2008 4:40 am    Post subject: Reply with quote

An update on the TC1600 progress:

I just received the production boards and put one together . Looking at the signals on the scope it seems to do exactly as intended. I will hook it up to a TV later so I can have a better look at it. The cases are still on their way and should arrive in about a week.

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Tom.W



Joined: 09 Mar 2006
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PostLink    Posted: Tue Jun 24, 2008 5:22 am    Post subject: Reply with quote

Keep up the great work Kim ! 8)
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beun



Joined: 28 Jun 2006
Posts: 670



PostLink    Posted: Thu Jun 26, 2008 3:30 pm    Post subject: Reply with quote

Another update on the TC1600:

I have now done extensive tests of the performance on the TC1600 on a large rear projection CRT TV using test patterns and actual video. I had to make a few component value tweaks but I am happy to report that it looks really good. Two of the lesser used potmeters have a somewhat counterintuitive operation (turning the fine shift potmeter left for a picture right shift for example) which I will fix in the next board release but it will be described in the manual.

I will now start to pre-assemble boards so I have at least some available the moment the cases show up.

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beun



Joined: 28 Jun 2006
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PostLink    Posted: Thu Jul 03, 2008 3:36 pm    Post subject: Reply with quote

Just talking to myself some more. All the parts are ordered and on their way, I did more testing with various test patterns and managed to get some more improvement. If the wife lets me I will pre-assemble a few more boards this weekend.


Kim

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kal
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Joined: 06 Mar 2006
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Location: Ottawa, Canada

TV/Projector: JVC DLA-RS56


PostLink    Posted: Thu Jul 03, 2008 5:29 pm    Post subject: Reply with quote

You may think you're talking to yourself, but I've found that for every poster there's another 100 lurkers just reading. Keep it up, I'm sure they appreciate it! Wink

Kal

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beun



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PostLink    Posted: Mon Jul 14, 2008 6:32 pm    Post subject: Reply with quote

One last update,

Everything is now in, I have already 5 boards pre-built and I am just back from a business trip for my regular job that actually pays for the bills. In short I will shipping out the first TC1600 in the next few days and than at a clip of about 2 more each day.


Kim

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beun



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PostLink    Posted: Wed Jul 16, 2008 3:07 pm    Post subject: Reply with quote

My last update on the status:

The first 5 units shipped this morning and I expect the last of the pre-orders to ship late next week.


Kim

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TX_VTX



Joined: 15 Feb 2008
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PostLink    Posted: Wed Jul 16, 2008 9:27 pm    Post subject: Reply with quote

Great news - cant wait to see it.
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beun



Joined: 28 Jun 2006
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PostLink    Posted: Wed Aug 06, 2008 4:13 pm    Post subject: Reply with quote

Now I have shipped out all remaining backlog I think it is time to descibe the features in a bit more detail, especially the image shift.

The gamma correction works directly on the RGB input and is identical to the correction on the RTC2200. The TC1600 will accept any combination of positive and negative horizontal and vertical sync at its input.

The color conversion is correct for both SD and HD signals. The TC1600 measures the line frequency and switches to the SD color conversions for frequencies below 32.768KHz, this will catch 480i, 576i, 480p and 576p/50. At line frequencies above 32.768KHz it will switch to the HD color encoder so this will be for 720p, 1080i/60, 1080p and higher.

As shipped the TC1600 will be in native mode meaning that the H-sync is passed through unchanged and only the V-sync can be changed in width. After opening the case and moving the jumper from JP1 to JP2 the H-sync can be fully adjusted in both width and position. The TC1600 supports both left and right shift using the H-coarse potmeter and a left shift only using the H-fine potmeter. The width of the H-sync is adjusted to 1us at shipping which should be Ok for almost any TV.

The H-coarse delay is resolution independent, meaning that if you shifted the picture by 1 inch at 480p you will have the same 1 inch shift at 1080p or any other resolution. This is not the case for the H-fine shift so it is probably best to only use the coarse shift if possible.

If there are any other questions please don't hesitate to ask.


Kim

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kal
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PostLink    Posted: Wed Aug 06, 2008 8:08 pm    Post subject: Reply with quote

Good info Kim. I've added it to the TC1600 order page.

I've also added the official product pictures:





Kal

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AnalogRocks
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Location: Toronto, Ontario, Canada

TV/Projector: Sony 1252Q, AMPRO 4000G


PostLink    Posted: Thu Aug 07, 2008 5:23 am    Post subject: Reply with quote

beun wrote:


The H-coarse delay is resolution independent, meaning that if you shifted the picture by 1 inch at 480p you will have the same 1 inch shift at 1080p or any other resolution. This is not the case for the H-fine shift so it is probably best to only use the coarse shift if possible.

If there are any other questions please don't hesitate to ask.


Kim


How did you acomplish this? I'm playing with the Box 1020 here and the IAC (Image Alignment Corection) has to be adjusted for each frequency.

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beun



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PostLink    Posted: Thu Aug 07, 2008 2:54 pm    Post subject: Reply with quote

The delay for the H-fine is derived from a simple RC time constant. Since that delay is a constant time the shift will depend on the resolution. The delay for the H-coarse is derived from the time between two horizontal sync pulses. As that delay is thus a fixed fraction of the line width it is independent of the resolution. Of course you may still have to adjust the delay anyway because the timing of the source (HD Fury for example) may not be constant for all resolutions but the TC1600 coarse delay is.
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kal
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Location: Ottawa, Canada

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PostLink    Posted: Wed Dec 03, 2008 7:11 pm    Post subject: Reply with quote

Hey guys,

The TC1600 is on sale. Only until the end of December!

Full details: http://www.curtpalme.com/TC1600.shtm

Kal

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