2. CIRCUIT DESCRIPTION (ER-1921/ER-2396)
Circuit block diagram
Display:
i
GMTSBGY (operator side}
QMT98G "(POP-UP side)}
Printer
CR-812A
UCR-812A
10 digit x2
*Key board | 64 key
*Mode SW}. pry2
* Clerk SW.
pPD78C11A
ROM 4K x 8
RAM 256 x 8
Driver
Drawer
Fig. 2-4
A399
