Circuit Explanation - Casio TE-3000S Service Manual

5. CIRCUIT EXPLANATION

5-1. HARDWARE DIAGRAM
Popup
display
Journal printer
Receipt printer
Power
supply
Popup
disp.
i/f
Drawer
Note: Shadowed device and dot line indicate option devices.
Main LCD
Drawer
Drawer 2 i/f
1 i/f MDL-11 Inline
Inline-2 Inline-1
either
or
Drawer
Drawer
Drawer
Other Other
Terminal Terminal
Flash RAM Option
Memory RAM
CPU
2MB 256kB RK-3
RS- RS- RS-
232C 232C 232C
COM1 COM2 COM3
MODEM
or
PC
External
printer
Scanner
UP-350
HHS-15
Power
supply
PS-180
Other
Terminal
— 15 —
Clerk
key
i/f
Dallas keys
CLK-K22
CF card
Slip
printer
SP-1300
Power
supply
31AD-U/E
External
printer
UP-250
Power
supply
PS-180