![Migatronic FOCUS MIG 130 PFC User Manual Download Page 32](http://html1.mh-extra.com/html/migatronic/focus-mig-130-pfc/focus-mig-130-pfc_user-manual_1793407032.webp)
32
Migatronic A/S
Arthur Nielsen
Rev: 3
21-05-2015
Focus Mig 130
Machine diagram
~
~
+
-
RT1
RT2
AC1
AC2
W
Welding -
Isenes
1
Gnd
8
Gate
2
Anode
7
Vcc
Vcc
8
Vee
5
7
vo
6
Vsenes
T1
L1-1
L1-2
T4
+15V
230 VAC
Input
NTC-10D-20
10
10
Mig Output
Charging circuit
PFC system
Power circuit
Welding rectifier
Trigger circuit
LED1
T5
6
Out
5
7
3
Sense
U
C
38
43
BN
Vcc
+24V
7812
+12V
Motor/gas power supply
10
RT3
+18V
LE
D
3
K1
T3
5
3
7
6
Out
CS
U
C
38
42
BN
+15V
Internal
power supply
Vcc
LE
D
5
+18V
-6V
7906
LE
D
4
F101
60V-075
1
2
J01
Fan
+18V
T2
1
2
CN9
1
2
3
CN1
3
2
1
CN10
10
K
UW
VR2
+
-
1
2
3
+15V
-6V
+
-
7
6
5
+15V
C
om
p Isense
5
7
RT/CT
14
Vref
UC3845
U1
9
G
nd
PWM
10
Out
11
+
-
1
2
3
+15V
+4
.7
V
+15V
+15V
+
-
1
2
3
+15V
+15V
+
-
1
2
3
+
-
7
6
5
WJ3
70
°C
+15V
+
-
1
2
3
+
-
7
6
5
+15V
+
-
14
13
12
+4.7V
5
4
3
2
1
CN4
+12V
+12V
+24V
8
C1
Vcc
12
7
Gnd
1
EA+
16
EA+
EA-
Dead
+
-
+12V
TL494CN
6
5
7
CN3
1
2
3
+24V
+
-
+12V
+12V
+12V
1
2
3
4
2
Motor
Gas ventil
Motor & Gas control
+12V
LE
D
6
Gas
ON
R131
Fuse
LED7
Motor
ON
F3.15A
PTC
60V-075
L3
CN2
1
2
Mig
Torch
1
2
3
4
+1
5V
+15V
WJ1
85
°C
4
3
2
1
CN7
CN8
Overheat
+15V
O
C
V
O
n
+15V
1
2
Wire
Inching
+1
2V
CN5
3
2
1
+15V
CN6
+1
2V
+15V
1
2
3
CN10
10
K
Wire speed
Welding voltage
+18V
+18V
+18V
+18V
+18V
50
K
+15V
Torch
Trigger
+4.7V
+15V
+15V
7815
Welding rectifier
PFC system
FOCUS MIG 130
PFC