Ramsey Electronics FX Series - Page 96

 G36. Similarly, install diode D10, same type as D8.
 G37. Similarly, install diode D24.
 G38. If you have not done so already, install the MC145152 PLL IC into
the 28 pin DIP socket. Be sure to orient the notched end correctly and that
all 28 pins are seated in the socket.