2764 Eprom Pin 1 -> 2764 Eprom 28
2764 Eprom Pin 26,27,28 connected together
2764 pin 14 (in socket, Pcb Pin 12) -> 2764 pin 20 (out from socket)
2764 pin 23 (Out from socket, pcb pin 21) -> pin 18 on pcb (above 2764 pin 20)
2764 PIN 2 -> Pcb pin 21 (above 2764 pin 23)

((((((((2764 pin 22 (out from socket) -> pin 20 on pcb