Elation Vision 250 Service Manual page 5

+5V
Cx6
100n
EZ 783
Circuit Diagram 1
25
RC7
24
RC6 RA3
23
RC5 RA2
22
RC4 RA1
21
RC3 RA0
20
RC2
19
RC1 RB7
18
RC0 RB6
RB5
1
RTCC RB4
28
MCLR RB3
RB2
26
OSC2/CLKOUT RB1
27
OSC1 RB0
PIC16C57C
+5V
Cx7
100n
25
RC7
24
RC6 RA3
23
RC5 RA2
22
RC4 RA1
21
RC3 RA0
20
RC2
19
RC1 RB7
18
RC0 RB6
RB5
1
RTCC RB4
28
MCLR RB3
RB2
26
OSC2/CLKOUT RB1
27
OSC1 RB0
PIC16C57C
SV4 T11
2
1
T6.3A
D2
ARK500/2
KBU08J
IC20
5
IC20
9
IC3
9
8
7
6
IC20
17 11
16
15
14
13 IC20
12 1
11
10
IC20
13
IC20
3
IC21
5
IC21
9
IC4
9
8
7
6
IC21
17 11
16
15
14
13 IC21
12 1
11
10
IC21
13
IC21
3
C9 C10 C11 C12 C13 C14
2G2/16V 2G2/16V 2G2/16V
2G2/16V 2G2/16V 2G2/16V
6 2
7
74HC04
10
15
+5V
8 1
9
74HC04
R18 R19
16
4K7 4K7
8
10 2
7
74HC04
10
15
2 1
C24 C23
9
74HC04
22n 22n
16
8
12
74HC04
2
7
4 10
15
74HC04
1
9
16
8
6
74HC04
2
7
8 10
15
74HC04
+5V
1
9
16
R20
8
4K7
10
74HC04
2
7
10
2 15
74HC04 +5V
1
C25
R21 9
R22 22n
16
4K7
8
4K7
12
74HC04
2
7
4 10
15
74HC04
1
C26 C27
9
22n 22n
16
8
IC11
3
IN1A OUT1Y
6
IN2A OUT2Y
11
IN3A OUT3Y
14
IN1A OUT4Y
EI1,2
4
EI3,4 GND
5
GND
12
VCC1 GND
13
VCC2 GND
L293D
IC12
3
IN1A OUT1Y
6
IN2A OUT2Y
11
IN3A OUT3Y
14
IN1A OUT4Y
EI1,2
4
EI3,4 GND
5
GND
12
VCC1 GND
13
VCC2 GND
L293D
IC13
3
IN1A OUT1Y
6
IN2A OUT2Y
11
IN3A OUT3Y
14
IN1A OUT4Y
EI1,2
4
EI3,4 GND
5
GND
12
VCC1 GND
13
VCC2 GND
L293D
IC14
3
IN1A OUT1Y
6
IN2A OUT2Y
11
IN3A OUT3Y
14
IN1A OUT4Y
EI1,2
4
EI3,4 GND
5
GND
12
VCC1 GND
13
VCC2 GND
L293D
IC15
3
IN1A OUT1Y
6
IN2A OUT2Y
11
IN3A OUT3Y
14
IN1A OUT4Y
EI1,2
4
EI3,4 GND
5
GND
12
VCC1 GND
13
VCC2 GND
L293D
IC16
3
IN1A OUT1Y
6
IN2A OUT2Y
11
IN3A OUT3Y
14
IN1A OUT4Y
EI1,2
4
EI3,4 GND
5
GND
12
VCC1 GND
13
VCC2 GND
L293D
NAME: VISION 250
TITLE: EZ 783
DOCUMENT: Circuit Diagram 2
VERSION: 1 DATE: 1.3.2002
CON6
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
PSL20
+5V
CON7
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
PSL20
+5V
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