20
Circuit Chart
SW
1
BD
1
C4
C5
10
R2
CR
0
C1
C2
C3
Ⅱ
R1
1
2
CN
3
1
2
3
4
7
5
6
CN
1
Q1
Q3
Ⅱ
R1
C1
Ⅱ
R3
C3
G1
E1
G3
E3
Q2
Q4
C2
C4
G2
E2
G4
E4
Ⅱ
R5
Ⅱ
R4
TR
1
+V
INP
U
T
RV1
C6
OU
TP
U
T
+
OUTP
UT
-
1
2
3
4
5
CN
1
C5
C6
1
2
3
4
5
CN
2
JP
1
P1
P2
C2
Ⅱ
R2
C3
Ⅱ
R3
12345
12345
G1
G3
E1
E3
G2
G4
E2
E4
12
CN
12
F
FA
N1
ZK
B
V
1.
0
+2
4
Di
gi
ta
l D
isp
3
4
1
2
GND
GND
+5
V
Si
gn
al
2
1
CN
10
T2
P3
P4
1
2
3
CN
2
1
2
3
CN6
+
1
2
1 2 3
1
2
3
CN
5
TI
G
20
0
K
G
B
CN1
W
S-200
I D
YB
To
rc
h
sw
itc
h
1
2
3
4
CN
4
1
2
3
4
CN4
QF
220V
AC
D1
D2
D3
D4
C4
Ⅱ
R4
C1
Ⅱ
R1
L2
2
6
3
1
4
5
T1
21
:1
8:
4
C5
L1
RV
2
RV
3
C7
Ⅱ
R2
-
CS+
CS-
1 2 3 4
CN
8
1
2
3
CN
2
RV
4
RV
5
12
CN
9
CU
R
ADJ
1
2
3
3
4
1
2
CN
13
CN
7
Po
w
er
1
2
CN
5
Er
ro
r
15
R6
7K
5
50
R1
2Ω
P0
P1
P2
1
2
3
CN
1
1
2
CN
3
PO
W
ER
C
UT
40
K
YH
B
+
1
2
CN
1