Electrical diagrams, G-18, Invertec – Lincoln Electric INVERTEC SVM129-B User Manual
Page 134
G-18
ELECTriCAL DiAGrAMs
iNvErTEC
®
sTT
®
& sTT
®
ii
W
W
R
600mA
40V
Q7
1W
3.3V
DZ5
1.00K
R
1
2
1/2W
1
R
1
5
100V
1A
Q2
600mA
40V
Q6
15.0K
R
1
0
50V
2700p
C2
47.5
R
3
5
1N4936
D9
600mA
40V
Q5
1W
10V
DZ1
1N4936
D3
1W
6.2V
DZ6
100V
1A
Q3
1W
10V
DZ3
1/2W
1
R
11
1.50K
R
7
1N4936
D5
22.1K
R16
1N4936
D2
40V
600mA
Q4
221
R
4
100
R
5
1.00K
R
1
4
C1
20
R
13
100
R
3
2N4401
2N4403
IRFD110
IRFD110
2N4403
2N4403
475
R
4
2
RESISTOR
SNUBBER
1
---
401
8
403
-
W
IT
H
P
U
B
L
IS
H
E
D
S
T
A
N
D
A
R
D
S
8
4
4
0
TRANSFORMER
L
U
N
L
E
S
S
O
T
H
E
R
W
IS
E
S
P
E
C
IF
IE
D
T
O
L
E
R
A
N
C
E
N
O
T
E
S
:
N
U
M
B
E
R
.
O
N
H
O
L
E
S
S
IZ
E
S
P
E
R
E
-2
0
5
6
O
N
2
P
L
A
C
E
D
E
C
IM
A
L
S
I
S
+
.
O
2
R
Ch
'g
e.
Sh
t.N
o.
CAPACITOR
O
N
A
L
L
A
N
G
L
E
S
I
S
+
.
5
O
F
A
D
E
G
R
E
E
M
A
T
E
R
IA
L
T
O
LE
R
A
N
C
E
(
"t
")
T
O
A
G
R
E
E
O
N
3
P
L
A
C
E
D
E
C
IM
A
L
S
I
S
+
.
O
O
2
FR
AN
CE
CA
NA
DA
AU
ST
RA
LIA
INPUT
12
NEGATIVE
PRIMARY
39.2K
R38
1N4936
D10
600mA
40V
Q8
100
R
2
4
40V
600mA
Q12
22.1K
R23
475
R
2
9
1N4936
D8
C5
39.2K
R41
1200V
.047
C4
39.2K
R40
BYT30P600
A2
C2
A1
2N4401
2N4403
IRFD110
IRFD110
2N4403
2N4403
A
1/2W
1
R
2
8
475
R
3
7
C6
10.0
R27
10.0
R34
10.0
R26
10.0
R25
G1
IRFP460
D2
S4
D1
D3
G2
D4
S2
S5
D5
G3
S1
G5
G4
S3
A1
10.0
R19
1W
15V
DZ7
100V
1A
Q1
1/2W
1
R
2
2
1W
10V
DZ12
50V
2700p
C8
100V
1A
Q10
15.0K
R
3
2
1W
10V
DZ2
600mA
40V
Q9
1N4936
D7
1W
6.2V
DZ9
47.5
R
3
6
BYT12P600
C1
A1
A1
39.2K
R39
221
R
2
1.00K
R
2
1
20
R
31
1.50K
R
3
0
100
R
1
1N4936
D6
600mA
40V
Q11
1W
3.3V
DZ8
1N4936
D1
1.00K
R
2
0
C
A
P
A
C
IT
O
R
S
=
B
N
O
.
G
E
N
E
R
A
L
I
N
F
O
R
M
A
T
IO
N
(
1
/4
W
.0
2
2
/5
0
V
L
A
B
E
L
S
(U
N
LE
S
S
O
T
H
E
R
W
IS
E
S
P
E
C
IF
IE
D
)
U
N
L
E
S
S
O
T
H
E
R
W
IS
E
S
P
E
C
IF
IE
D
)
R
E
S
IS
T
O
R
S
=
O
hm
s
(
1A
,
40
0V
8
4
4
0
N
O
N
E
M
. A
. P
.
T
H
E
L
IN
C
O
L
N
E
L
E
C
T
R
IC
C
O
.
C
H
K
.
C
-
D
-
8
S
C
A
L
E
D
A
T
E
S
U
P
P
L
Y
V
O
L
T
A
G
E
N
E
T
F
R
A
M
E
C
O
N
N
E
C
T
IO
N
C
O
M
M
O
N
C
O
N
N
E
C
T
IO
N
IN
V
E
R
T
E
C
V
3
0
0
E
Q
U
IP
.
L
S
H
T.
4
2
10
S
U
P
'S
'D
'G
.
C
LE
V
E
LA
N
D
,
O
H
IO
U
.S
.A
.
T
Y
P
E
S
U
B
J
E
C
T
M
F
D
---
4
402
404
POSITIVE
1N4936
D4
1W
15V
DZ4
475
R
1
8
10.0
R9
10.0
R8
10.0
R17
10.0
R33
C7
10.0
R6
RESISTOR
SNUBBER
P
O
W
E
R
S
U
P
P
L
Y
S
O
U
R
C
E
P
O
IN
T
E
A
R
T
H
G
R
O
U
N
D
C
O
N
N
E
C
T
IO
N
D
R
.
D
IO
D
E
S
=
L
A
S
T
N
O
.
U
S
E
D
R
-
S
W
IT
C
H
B
O
A
R
D
S
C
H
E
M
A
T
IC
N
O
T
S
H
O
W
T
H
E
E
X
A
C
T
C
O
M
P
O
N
E
N
T
S
O
R
C
IR
C
U
IT
R
Y
O
F
C
O
N
T
R
O
L
S
H
A
V
IN
G
A
C
O
M
M
O
N
C
O
D
E
W
IT
H
O
U
T
A
F
F
E
C
T
IN
G
T
H
E
I
N
T
E
R
C
H
A
N
G
E
A
B
IL
IT
Y
O
F
A
C
O
M
P
L
E
T
E
B
O
A
R
D
,
T
H
IS
D
IA
G
R
A
M
M
A
Y
N
.A
.
S
IN
C
E
C
O
M
P
O
N
E
N
T
S
O
R
C
IR
C
U
IT
R
Y
O
N
A
P
R
IN
T
E
D
C
IR
C
U
IT
B
O
A
R
D
M
A
Y
C
H
A
N
G
E
U
N
L
E
S
S
O
T
H
E
R
W
IS
E
S
P
E
C
IF
IE
D
)
E
L
E
C
T
R
IC
A
L
S
Y
M
B
O
L
S
P
E
R
E
1
5
3
7
PRIMARY
5
-
FILTER
INPUT
TRANSFORMER
9
INPUT
1200V
.047
C3
BYT30P600
A2
C2
A2
G1
IRFP460
D2
S4
D1
D3
G2
D4
S2
S5
D5
G3
S1
G5
G4
S3
A2
BYT12P600
C1
A1
A2
F
IL
E
N
O
.
L
8
4
4
0
-1
A
A
11
-2
5-
91
B
S
9-
11
-9
2
10
-8
-9
3A
G-18
schematic - switch Board - All Codes - (L8440)
NOTE:
Lincoln Electric assumes no responsibility for liablilities resulting from board level troubleshooting. PC Board repairs will invalidate your factory warranty. individual Printed Circuit Board Components are not available from Lincoln Electric. This information is provided
for reference only. Lincoln Electric discourages board level troubleshooting and repair since it may compromise the quality of the design and may result in danger to the Machine Operator or Technician. Improper PC board repairs could result in damage to the machine.