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Originally Posted by old_tv_nut
Congratulations! I see that you are using the same type of disc that I bought from Peter Y. It has the synchronization holes (which show as a bright vertical line to the left of your image), and it is relatively easy to build the sync circuit and infrared sensing fork that Peter suggests.
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My NBTV monitor is now working. I have taken the schematics of Peter Smith, but it was necessary to change some details because I couldn't get all the parts here.
http://bs.cyty.com/menschen/e-etzold...BTVmonitor.GIF
Line sync is working very well, but frame sync does not work. I had installed a switch for the frame sync with which I interupt the sync pulse. A lot of pictures and the schematics you will find on my web page (see my first posting). I know that the problem with the frame ync depends on the sync separation. There is noise and some overdriving in the signal.
The monitor now has an "open housing", so everybody can see how it works. In the front side I will install a glas window.
For future work I wish to install a color unit. Do you have any ideas how I can record a RGB color signal together with the video signal in one audio channel on CD?
If somebody wants to get some NBTV videos, please pm me. I send it as zipped WAV files.