Hobart Handler 140 - MIG Welding (GMAW) Guidelines; MIG Process Connections and Settings

TM-258 267 Page 34 Handler 140
AGND
AGND
AGND
AGND
+ +
3
2
1
A1
16
RC2
15
RC2
14
RC2
13
RC2
+29V
3
RC2
1
RC2
2
RC2
12
RC2
10
RC2
9
RC2
11
RC2
C5
C4
2
3
1
Q3
R16
R13 R14
R15
R7
1%
R4
R2
R18
R17
+29V
R12
+30V
PTC2
C3
4
8
A1
C2C1
3
2
1
Q2
D6
D7
D14
D9
D10
D12
D8 D5
NC
1
4
3
CR2
52
CR2
12
CR1
+30V +29V
D13
Figure 9-3. Circuit Diagram For 115 VAC Model Control Board PC1
Eff w/MC370275Y And Following