I've found specifications for this one. <a href="https://depositfiles.com/files/9vgn2socb" target="_blank" rel="nofollow noopener noreferrer">DepositFiles</a> What is mean 1/4 scan ?

Hi guys. Please, help me to find any circuit diagram for LED display module. In this module is applied a drivers MBI5030GF for each 16 LEDs CPLD: EPM3064Ati100-10N and HC245....