4
1.
Lift up the back crust a little (about
1cm) towards the direction as the
arrow shows on PIC
①
.
2.
Push the back curst a little (about
1cm) towards the direction as the
arrow shows on PIC
②
to separate
it from the front crust.
After opening the back crust, you
could see the connection of each
module on the mainboard
.
1.
Connect to power switch and
power indicator light.
2.
Supply main power supply of the
mainboard.
3.
4.
5.
Connect to the 5-line touch screen
6.
Connect to LCD customer display
7.
Connect to the printer driver
board
8.
Connect to the backlight of LCD
operator display.
9.
Connect to the signal of LCD
operator display
10.
Connect to lithium battery
11.
Connect to buzzer
12.
Connect to UPS power protection
plate
13.
Connect to communication driver
board
14.
15.
PIC
①
PIC
②
back
front
1
2
3
4
5
6
7
10
11
12
13
15
8
14
