LCD display driver (CB7558E)

This LCD driver circuit uses a common component today. The circuit is from 90's documentation.

1000 second timer (CB12768E)
The existence of field effect transistors at the input of the integrated circuit (operational...
Voltage Regulator (CB16624E)
This circuit has a maximum output current of 5 A, and the 2N3055 must have an excellent heat sink....
15 V x 2A regulator (CB15969E)
This circuit is suggested by Motorola and is based on a 1723 voltage regulator. The 2N3055...