Intermec EasyCoder 501 - Page 183

Intermec EasyCoder 501 – Service Manual Ed. 7
182
Chapter 23 Industrial Interface Board
GNDC
P3
16
17
P3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
5
2
P7
74HC04
3 4
IC6B
+5V
1
ULN2003
2 15
IC4B
OUT3
4
3
1
REL3
2
3
1
5
2
P8
74HC04
1 2
IC6A
+5V
1
ULN2003
1 16
IC4A
OUT4
4
3
1
REL4
2
3
1
IC5D
TTL193B
7
8
9
R5 R6
C10
74AC14
10
+5V
10 11
IC3E
IN1
R18
5
2
P2
74HC04
9 8
IC6D
+5V
1
ULN2003
4 13
IC4D
OUT1
4
3
1
REL1
2
3
1
5
2
P6
74HC04
5 6
IC6C
+5V
1
ULN2003
3 14
IC4C
OUT2
4
3
1
REL2
2
3
1
IC5C
TTL193B
5
6
11
R7 R8
C11
74AC14
12
+5V
4 3
IC3B
IN2
R17
IC5B
TTL193B
3
4
13
R11 R12
C12
74AC14
14
+5V
12 13
IC3F
IN3
R16
IC5A
TTL193B
1
2
15
R13 R14
C13
74AC14
16
+5V
2 1
IC3D
IN4
R15
23.5 Circuit Diagram B
Industrial Interface Board 1-971709-40