This is wonderful work! Thanks for providing
this very useful information allowing us to
have the functionality of the VA62 for our
older sets with the various IFs used back in
the day. If, like me, burning eproms is beyond
your pay grade I found a gentleman who
can do this:
matt@mattsbasementarcade.com
I am not affiliated with him in anyway. He
Burned the chip for me and it seems fine.