Circuit Explanation; Block Diagram For Sa-5000/5100 - Casio SA-5000 Service Manual

5. CIRCUIT EXPLANATION

5-1. BLOCK DIAGRAM for SA-5000/5100

∗
Mono / Color Parallel
LCD DISPLAY port
PRINTER
PRINTER
∗
DRAWER 1
BOARD
∗
DRAWER 2
* : OPTION
Memory socket : 2 x 72 pin SIMM
Expansion socket : 2 x ISA slot ( Card should be less than 200mm ) or
RS232C Port : RS232C port In the above fugure is mentioned internal port number.
It is possible to supply the power (+5V, +12V) on port 2 and 4.
Ethernet
10 baseT
RS232C 3
MOTHERBOARD
ISA 2
ISA 1
LPT 1
POWER
OFF
SLIDE
POWER
SENSOR
SWITCH
SUPPLY
AC110/230V
1 x ISA slot and 1 x PCI slot
— 15 —
∗
CUSTOMER
DISPLAY
2 X 20
KEYBOARD
CONTROLLER
KEYBOARD
INTERFACE
∗
CUSTOMER
DISPLAY
1 X 11
POS
KEYBOARD
MANAGER
LOCK
∗
∗
PC
BAR CODE
KEYBOARD
READER
MAGANETIC
MCR
CARD
CONTROLLER
READER