Hey there, I just built a sync separator circuit with an LM1881 for my Saturn.
( SCART -> Audio/RGBHV -> BNC )
Unfortunately it's not working :'(
I'm guessing that my TV doesn't support CSYNC because the VGA output from my Dreamcast works well.
See video;
https://www.youtube.com/watch?v=N-DaUYMD1fQ (https://www.youtube.com/watch?v=N-DaUYMD1fQ)
Can anyone tell if this is the problem? I have a Sony KV-HR32M31 TV.
Also I read someone that you can use logic gates to get a working HSYNC signal. Can someone recommend me a cheap, common IC that'll do what I need?
That's one beast of a TV! You might have better success using an EL1883. It only comes in a SOIC package, so you'd likely need to get a DIP adapter to mount this to for use (legs on SMD ICs tend to break much easier than PDIP).
http://www.intersil.com/en/products/audiovideo/video-ics/video-sync-separators/EL1883.html (http://www.intersil.com/en/products/audiovideo/video-ics/video-sync-separators/EL1883.html)
http://www.hoylen.com/articles/tech/sony-kvhr36m31/Sony-KV-HR36M31-Operating-Instructions.pdf (http://www.hoylen.com/articles/tech/sony-kvhr36m31/Sony-KV-HR36M31-Operating-Instructions.pdf)
OR... just save yourself the trouble of building a circuit and get a Sync Strike:
http://shmups.system11.org/viewtopic.php?f=6&t=37285 (http://shmups.system11.org/viewtopic.php?f=6&t=37285)
yep, had this problem before. El1883 will solve all your problems, and SOIC is easy to solder with a little practice. There's also the ISL59885 that does the same thing with some added auto-syncing touches.