So, spend a few hours desoldering a Konami-1 bootleg replacement, and then find that someone else has done most of the work of making a schematic already.
Typical..
http://www.ukvac.com/forum/the-konami1-crypto-engine-on-a-gyruss-bootleg_topic337364_page1.html
The board itself
Top scan
Bottom scan
Seems there are still some questions regarding the extra pins (Konami-1 is 42 pins rather than 40 like a 6809e) and interrupts. Maybe some examining of boards with builtin Konami-1 replacements like Junofirst and Gyrus is necessary.
As far as I know Circus Chalie and Ropeman use this daughter board too.
It seems Konami-1 custom CPU has been already reversed onto a FPGA replacement board :
http://www.fpgaarcade.com/punbb/viewtopic.php?id=215
This board differs from the schematic on the UKVAC thread in that there are dual 74LS74s. There is a bit more to the daughterboard since Q is fed into the D-type FF and feeds one PAL… looks like this is a bit more complete.