page
1-40
Part 1. Operation Manual
Rev. 03-2004
Bill Acceptor FL Series Service Manual
INPUT/OUTPUT CIRCUITS OPTO-ISOLATED VERSION
VCC
VCC
GND
VCC
GND
VCC
GND
+12V
VCC
VCC
GND
+12V
GND
VCC
VCC
GND
GND
GND
GND
BR
ST
RS
T
RS
T
-B
D
P
RX
D
TX
D
DI
R
E
CT
PM
-E
N
BR
ST
GN
D
-B
D
P
LE
D
-B
D
P
PW
R
-L
E
D
RX
D
-B
D
P
+
12V
-B
D
P
TX
D
-B
D
P
RS
T
-B
D
P
LE
D
CY
C
L
TM
D
BO
X
L1
L2
L3
TX
D
LE
D
+
12V
-B
D
P
PW
R
-L
E
D
LE
D
-B
D
P
RX
D
L3
L1
L2
RX
D-
B
D
P
GN
D
-B
D
P
TX
D
_
B
D
P
&
DD1B
MC74HC132AD
4
6
5
&
DD1A
MC74HC132AD
1
3
2
&
DD1D
MC74HC132AD
12
11
13
VD4
VD5
VD3
No.747843-4
19
37
18
36
17
35
16
34
15
33
14
32
13
31
12
30
11
29
10
28
9
27
8
26
7
25
6
24
5
23
4
22
3
21
2
20
1
VT8
VT2
VT4
VT1
C21
C22
C23
C14
R3
R4
5.1K
R11
R14
VE4
PC400
5
4
1
3
6
R12
R8
VE3
PC400
5
4
1
3
6
R5
R13
R9
VE5
PC357NT
3
4
1
2
C24
VD6
R10
C15
CONNECTOR DB37
19
37
18
36
17
35
16
34
15
33
14
32
13
31
12
30
11
29
10
28
9
27
8
26
7
25
6
24
5
23
4
22
3
21
2
20
1
12 JAE HEADER
1
2
3
4
5
6
7
8
9
10
11
12
Power -
Power +
INTERF
A
C
E
CONNECTION