Circuit Diagrams - Intermec EasyCoder 501 Service Manual

23.5 Circuit Diagram A
P4
1 AD4 X1
2 AD3 AD0
3 AD5 AD1
4 AD2 AD2
5 AD6 AD3
6 AD1 AD4
AD5
7 AD7
8 AD0 AD6
AD7
9 CSX0
10 CSX1
11 XINT
CSX1
12 WR
WR
13 RD
RD
14 X0
/DTRA
15 X1
16 NMIHPC
A4
17 +5.3V
A3
18 GND
A2
20 A4
A1
21 A2
22 A3
IC3C
23
19 /RESET
5
24 A1
25 74AC14
26 GND
WR
RD
A4
A3
A2
A1
AD7
AD6
AD5
AD4
AD3
AD2
AD1
AD0
Intermec EasyCoder 501 – Service Manual Ed. 7
RN2
1
10
+5V
2
5
3
6
4
7
9
8
47k
IC3D
RN1
1
8
X1
9
+5V
9
10
74AC14
5
3
7
6
4
2
+5V
47k
C14 – 16
6
C2
Y1
C1
3.6864 MHz
IC1
32
X1/CLK RXDA
TXDA
33
X2
34
RESET RXDB
CSX1 35
CS TXDB
WR
8
WR
RD 9
RD
X1
21
INT
A4 6
A3
A3 5
A2
A2 3
A1
A1 1
A0
AD7 19
D7
AD6 22
D6
AD5 18
D5
AD4 23
D4
AD3 17
D3
AD2 24
D2
AD1 16
D1
AD0 25
D0
88C681/40
Industrial Interface Board 1-971709-40
Chapter 23 Industrial Interface Board
XINT
R9
8 Q1
TXDB
RXDB
*
GNDI
RTSB
CTSB
GNDI
GND
DSRB
+5VEXT
DTRB
31
30
/RXDB /RXDB
10
/TXDB
11
/DSRB /DSRB
37
I 6
IN4
38
I 5
IN3
39
I 4
2 IN2
I 3
IN1
36
I 2
4 /CTSB /CTSB
I 1
IDENT
7
I 0
OUT4
15
07
26 OUT3
06
14
05
/DTRB /DTRB
27
04
OUT2
13
03
OUT1
28
02
/RTSB /RTSB
12
01
29
00
+5V
D1
+5.3V
+
C9
F5
TXDB
F6
RXDB
F7
RTSB
F8
CTSB
F9
* GNDI
F10
DSRB
* F11
+5VEXT
F12
DTRB
GNDC
P1
D2
+5.3V +5.3VEXT
+
C8
IC2
C4
+ 1
+
+10V
CEXT
3
–
C5
20 +
–10V
CEXT
+
18
–
/TXDB 11
/RTSB 13
/DTRB 15
/RXDB 12
/CTSB 14
1
/DSRB 16
MC145407
P5
26
27
P5
GNDC
GNDC 1
TXDB 2
RXDB 3
RTSB 4
CTSB 5
DSRB 6
GNDI 7
8
9
10
11
12
13
14
15
+5VEXT 16
17
18
19
DTRB 20
21
22
23
24
25
*
+5V
C3
+
17
4
C6
+
TXDB
10
RTSB
8
6 DTRB
RXDB
9
CTSB
7
DSRB
5
181