Sharp ER-A420 - Programming the Cash Register; Direct Programming Methods

ER-A410/ER-A420 CIRCUIT DIAGRAM AND PWB LAYOUT
– 29 –
G1'..G7'
G4'G5'G6'G7'
3 8
5 1
0
9 1 2 4 6 7
LED9
LED S5680
4 1
7
1 8
1 2 3 1
5
1 6
9 71
2
5 6 8 1
0
1 1
1 4
1 3
LED8
LED D5680
4 1
7
1 8
1 2 3 1
5
1 6
9 71
2
5 6 8 1
0
1 1
1 4
1 3
LED7
LED D5680
G1'G2'G3'
4 1
7
1 8
1 2 3 1
5
1 6
9 71
2
5 6 8 1
0
1 1
1 4
1 3
LED6
LED D5680
G1' G2' G3' G4' G5'
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
CN1
POP UP CN(15Pin)
(52807-1510)
G6' G7' a' b' c' d' e' f' g' dp'
a'b'
R2
27
R1
27
c'd'e'f'
R6
27
R5
27
R4
27
R3
27
g'dp'
R8
27
R7
27
A B
C D
8 7 6 5 4
3
2 1
12345678
D C
B A
POP UP PWB
1/1