ESAB PCM-875A - Page 103

SECTION 6 PCM-875A Plasmarc System Troubleshooting
6-19
400V Console Schematic Part 2
V
P5-5
H2
H1
W
O
R
K
(-)
(+)
.047uf
P
C
B
5
VV V
P1-3
P1-2
P1-6
V
P1-1
G
N
D
5
C
2
3
X2
T
B
2
X2
T
3
X1
H2
660V
X1
S
G
2500 PF,15KV
C
1
3
T
5
1
2
T
O
R
C
H
2500 PF,15KV
H1
C
1
4
PILOT
ARC
.022UF, 1KV
R13
L3
P
.
A
.
K1
T3
K1
T2
K1
L2 T1
C21
C20
GND 3
L1
330K ,1W
.82UF 630VDC
250VAC
P2-13
P2-12
T
B
1
-
2 T
B
1
-
1
G
N
D
4
C
1
1
.01UF
1KV
C
1
2
.01UF
1KV
C
9
.01UF,250 VAC
V
115 VAC
V
K
1
B
G
N
D
2
A
V V
V
P5-2
P5-1
P5-6
C
1
7
.022UF
C
1
8
250VAC
.022UF
P
L
2
-
+
1
J
1
2
VV
L
3
SHIELD
4T
TORCH SWITCH
START SIGNAL
SIGNAL TO CNC
SIGNAL TO CNC
VOLTAGE DIVIDER
(CONTROL BOARD)
P/N-38109
P
C
B
1
CONSOLES 0558003356 &
4
P1-12
V VV V V V
P2-3
P2-2
P6-1
P6-2
P1-11
S
O
L
1
75mA
2
60V
1
Z
D
1
2
12
NOT USED ON
0558003357
F
S
1
3
S
3
V V
P6-7
P6-9
V V
P2-4
P2-3
2
5
S
2
6
1
3
(SEE CHART)
T
B
4
(-)
1 23
(+)
5
4 6
TB4-1
TB4-3
TB4-2
TB4-5
TB4-6
TB4-4
}
FROM CNC
}
ARC ON
}
1
2
3