User guide
ForceCut 42i 110v/220v PFC 40amp Plasma Cutter
19
Electrical Schematics Drawing
T1
T2
R 25
R 24
D 10
R 20
R 16
ZD 3
T1 3
D 12
R 22
R 18
ZD 5
T1 5
Q D2
Q D5
Q D6
Q D1
Q D2
C1
R 10
R 11
B2
IN
2
G ND
4
V CC
8
O UT
7
O UT
6
G ND
5
NC
3
V CC
1
U4
IN
2
G ND
4
V CC
8
O UT
7
O UT
6
G ND
5
NC
3
V CC
1
U5
C2
C3
R 32
R 33
T4
T5
R 29
R 28
R 36
R 37
ZD 3-1
ZD 5-1
R 51
R 50
R 52
T1 6-1
T1 4-1
R 10 0
R 10 1
C 10 0
C OUT1
C OUT2
G DN
G DN
ZB YQ
R 49
C 20
C 21
ZB YQ
ZB YQ
TR 8
O C1 O C2
D C+
C 18
C 16
R 47
D5
C
1
L
2
X
3
S
4
F
5
D
6
U 7A
C0
C6
D6
TV S1
D7
D 15
D9
D 16
D 17
C 11
C 15
C 13 C 14
C 45
C 46
D8
C7 C8 C9 C 10
D 18
C 43
U9
R 91
R 90
ZD 8 ZD 9
C 41
R 93
R 92
R 88
R 89
C 40
R 85
R 86
R 87
+2 4 V1
+0 1
-2 4V
1
2
3
W VO UT
B3
D 28
D 27
C 42 C 25 C 27 C 28
R 30
OC
D 50
D 51
D 52
D 53
R 84
C5
C4
O C1
O C2
HF
1
2
3
4
5
D Y2
1
2
3
4
5
6
7
IN
R 84 -4
R 84 -1R 84 -2
C 10 1
D 5-1
R 04
R 01
1
2
ZY OUT
L1
L3
L5
L2
T1 0-1
O R1
IN
2
G ND
4
V CC
8
O UT
7
O UT
6
G ND
5
NC
3
V CC
1
U6
O R2
C 44C 47
ZD 4
R 12 5
C 12 6
R 13 0
1
2
QD
C 48
R 13 2
C 49
PF C1 0 T(3X 3. 2)/1 4 T(1. 8X 2. 6)
ZD 6
R 12 9
C 19
C 17
O UT+1
O UT+
0U T-
D 19
R 31
C 52
O UT+1
U8
1
2
D Y1
Q D6
Q D6
Q D5
Q D1
V 13
PU VLO
15
SY NC
16
IPK
2
MULT
8
CAOUT
5
ISENSE
9
COSZ
18
ROSZ
17
SS
12
VREF
11
LFF
6
SGND
10
PGND
1
VP
3
G DRV
20
VFEED
14
VA-OUT
13
VCC
19
IAC
4
VRMS
7
49 81
C 14 1
R 15 5
R154
R 15 3
Q D6
C 12 1
R178
C 11 0
R 17 7
R182
R 18 1
R 17 5
C 12 2
Q D6
R 18 0R 17 6
R1
Q D6
R 18 3
C 10 9
R 17 2
C 12 4
Q D6
R 15 6
R 15 7
R 23
R 15 2
R 15 1
R 15 0
C 14 2
C 10 3
Q D6
L4
V8 V 8-1
R 17 9
R 17 9 -1
V9
V 9-1
V 12
C 12 3
R 17 4
V7
V 7-1
R 17 3
R 16 9
R 16 8
R 16 7
Q D6
R 15 8
R 17 1
R 17 0
C 10 7
Q D6
D C+
Q D6
C 10 8
C 12 0
CX
R186
C 00R 00
C 53
B4
C 54
1
2
O C2
1
2
O C1
D 21
D 20
D 13
D 11
ZD 7
R 94
D C-
D+1
2
D+
1
2
D-
1
3
4
5
2
U1
1
2
3
4
IFI N
1
2
3
4
IFO UT
1
2
3
4
5
6
X FIF/ IN /OU T
R 12 7
R 12 8
R 13 3 R 13 4
C 57
R 02
R 53R 41 R 4 0R 42R 44 R 4 3R 45R 46R 19 0R 38 -1R 48 R 18 9R 38
R 39 -1R 64R 39R 55 R 5 4R 63R 57 R 5 6R 18 7R 18 8R 58R 60R 6 2 R 59R 61
Q D6
C 10 6
C 10 5 -3
+U B 7
15
2
+0 V
0V
D nd
V in
F1 5 15 S-1 W
F1 5 15 S-3
15 V
R200
R203
R201
R204 R208 5
R202
R206
15 V
+U B
C U3
C U4
G DN
C Y1
A C3
A C4
R 20 0 -2
R 18 4 R 18 5
ZD 2 T6
C 14 3
-2 4V
D 14
J1
R 20 0 -1
1
2
RX
A C2
A C1
TR 1
C U1 C U2
C 14 4
1
2
A C2
1
2
A C1
1
2
A C3
1
2
A C4
-
1
+
3
GND
2
OUT
4
IN
5
IN
5
OUT
6
OUT
6
HL
1
2
3
4
X HIF
R 34
C 51
+U B
1
2
D YJC
C 50
7
1 5
2
+0V
0V
Dnd
Vin
F1515S-1W
F1 5 15 S
7
1 5
2
+0V
0V
Dnd
Vin
F1515S-1W
F1 5 15 S-2
+1 2 v
+1 2 v
12 v
12 v
C 12 C 22
C 23
C 24