MH-002B
SCHEME
MH-002B
SCHEME
PRODUCT
PIC
.
N O
.
EDIT
CHECK
APPROVE
GS
-
WI DL
-
047
-
01
NR
DATE
PAGE
NO
.
DATE
24
/
25
FILE
NO
.
VERSION
ECN
NO
.
5
6
U3C
74HC04
8
9
U3D
74HC04
10
11
U3E
74HC04
12
13
U3F
74HC04
3
4
U3B
74HC04
1
2
U3A
74HC04
E N A B L E 1
1
IN1
2
OUT1
3
OUT2
6
IN2
7
V
S
8
ENABLE2
9
IN3
10
OUT3
11
OUT4
14
IN4
15
V
C
C
1
6
U1A
L293D
E N ABLE 1
1
IN1
2
OUT1
3
OUT2
6
IN2
7
V
S
8
ENABLE2
9
IN3
10
OUT3
11
OUT4
14
IN4
15
V
C
C
1
6
U1B
L293D
PWM00
PWM01
PWM02
PWM03
PWM00
PWM01
PWM02
PWM03
Y1
16MHz
C1
30P
C2
30P
5
6
U4C
74HC04
8
9
U4D
74HC04
10
11
U4E
74HC04
12
13
U4F
74HC04
3
4
U4B
74HC04
1
2
U4A
74HC04
ENABLE1
1
IN1
2
OUT1
3
OUT2
6
IN2
7
V
S
8
ENABLE2
9
IN3
10
OUT3
11
OUT4
14
IN4
15
V
C
C
1
6
U2A
L293D
ENABLE1
1
IN1
2
OUT1
3
OUT2
6
IN2
7
V
S
8
ENABLE2
9
IN3
10
OUT3
11
OUT4
14
IN4
15
V
C
C
1
6
U2B
L293D
PWM10
PWM11
PWM12
PWM13
PWM10
PWM11
PWM12
PWM13
Y2
16MHz
C3
30P
C4
30P
PWM3/P0.0
1
PWM2/P1.7
2
PWM1/P1.6
3
RST/P1.5
4
X
1
6
X
2
7
INT1/P1.4
8
I N T 0/P1.3/SDA
9
T0/P1.2/SCL
10
PWM0/P0.1
20
P0.2
19
P0.3
18
P0.4
17
P0.5
16
P0.6
14
T 1/ P0. 7
13
P 1 . 0 / T X D
12
P1.1/RXD
11
U1
87LPC768
PWM3/P0.0
1
PWM2/P1.7
2
PWM1/P1.6
3
RST/P1.5
4
X
1
6
X
2
7
INT1/P1.4
8
INT0/P1.3/SDA
9
T0/P1.2/SCL
10
PWM0/P0.1
20
P0.2
19
P0.3
18
P0.4
17
P0.5
16
P0.6
14
T1/P0.7
13
P1. 0 /TXD
12
P1. 1 / R XD
11
U2
87LPC768
1
2
3
4
JP3
1
2
3
4
JP4
1
2
3
4
JP5
1
2
3
4
JP6
1
2
JP9
DC12V
VDD
C5
2200UF/25V
C6
2200UF/25V
C7
2200UF/25V
C8
2200UF/25V
VCC
C9
104
C10
104
VDD
VDD
VDD
VDD
VCC
VCC
VCC
VCC
1
2
3
4
JP1
E N ABL E 1
1
IN1
2
OUT1
3
OUT2
6
IN2
7
V
S
8
ENABLE2
9
IN3
10
OUT3
11
OUT4
14
IN4
15
V
C
C
1
6
U2D
L293D
1
2
3
4
JP7
VDD VCC
VCC
VCC
VCC
VCC
1
2
3
JP11
1
2
3
JP12
1
2
3
JP13
1
2
3
JP14
C11
104
C12
104
C13
104
C14
104
1
2
JP8
LIGHT
C15
104
Vin
1
G
N
D
2
+5V
3
U11
MC78L05CP
E NABL E 1
1
IN1
2
OUT1
3
OUT2
6
IN2
7
V
S
8
ENABLE2
9
IN3
10
OUT3
11
OUT4
14
IN4
15
V
C
C
1
6
U2C
L293D
1
2
3
4
JP17
VDD
VCC
3R3-1
472-1
3R3-2
472-2
3R3-3
3R3-4
472-4
472-3
1
2
3
4
5
RX1
3R3
VCC
VCC
3R3-1
3R3-2
3R3-3
3R3-4
472-1
472-2
472-3
472-4
1
2
3
4
5
J4
SIGNAL-LIGHT-RM
RXD
TXD
GM
RM
1
2
J2 RM
VCC
1
2
3
4
5
6
RX2
472
GM
1
2
J3
24V-FAN
1
2
J5
24V-FAN
C23
470UF/16V
C16
104
C22
470UF/16V
C21
470UF/16V
VCC
TXD
RXD
2008
.
05
.
14
FLASH
5752