AES Composite video issue

Hello,
My AES composite video seems to be on the outs. Picture is very dark, almost completely black. I use a jrok and strip c sync from the composite and that will not work at all right now. I will start with caps if someone can tell me the correct values. Any help is appreciated.
Thanks

Is it possible to test the RGB without the Jrok? That Jrok may be going bad. You may want to just buy a new video encoder.