SECTION 6
TROUBLESHOOTING
6-18
ØC
ØB
ØA
K1
M1
T3
P3-17(+)
P3-18(-)
3
2
1
6
5
4
120VAC
120VAC
P3-13
FNT PNL
ON/OFF
ISOLATION AMPLIFIER AND
FAULT SIGNAL PCB
PCB1
3A
CB1
1
2
10K
DPDT S3
FRONT PNL
CURRENT
LOCAL/REMOTE
FRONT PNL LOCAL
CURRENT SETTING POT
P3-12
LED6
LED5
R2
T2
LED4
LED3
LED2
LED1
LED9
LED8
LED7
P1-13
P1-14
P1-15
P2-2
P3-1
P3-2
A
B
P1-16
P1-2
P1-3
NO FS1
C
AU
T
O
XF
M
R
AH2
AH3
AH4
AH5
AH8
AH6
AH1
AH7
P2-4
P2-5
12VAC
P2-6
P2-7
P2-11
P2-12
24VAC
P2-13
P2-14
24VAC
P2-15
P2-16
24VAC
P2-9
P2-8
18VAC
P2-10
18VAC
P10-3
P10-4
P10-5
18VAC
18VAC
TB1
TB2
1
2
3
4
5
6
7
200V
230V
380V
415V
460V
575V
ZD1,180V
38103
2
1
5
6
1
2
1
2
3
L3 T3
L2
L1 T1
T2
CB
2
7A
12
1
M2
4
PUMP
MOTOR
P1
-6
P1
-5
AMMETER
+
-
P8
-
+
AM1
+
-
P6
+
-
VOLTMETER
V1
POWER MODULE #1
BR1-A
BR1-B
BR1-C
TB2-1
TB2-2
1 2 3 4 5 6 7 8
8
2
1
4
3
6
5
7
1
3
2
5
4
7
6
8
9 10 11 12 13 14 15 16
9 10
10
9
8
7
6
5
4
3
2
1
J2
P1
P3
P4
P4-3
P4-4
P4-15
P4-16
P10-2
P10-1
P4-11
P4-12
P4-13
P4-14
SH1-2
SH1-1
TB3-1
6
5
4
3
2
1
575V
460V
415V
380V
230V
200V
BH1
BH2
BH3
BH4
BH5
BH6
BH8
BH7
7
8
9
10
11
12
200V
230V
380V
415V
460V
575V
200V
230V
380V
415V
460V
575V
13
14
15
16
17
18
CH1
CH2
CH3
CH4
CH5
CH6
CH8
CH7
MOV1
610V
MOV2
610V
MOV3
610V
S1
P2-1
SETTING
P9-3
P9-1
P4-1
P4-2
P4-7
P4-8
P4-9
P4-10
P1-9
P1-8
P1-7
P1-10
PLASMA GAS
START GAS
P7-3
P7-1
6
5
3
4
2
1
NOT USED ON
PRECISION PLASMA CONSOLE
MOD1
P3
J3
8
7
6
5
4
3
2
1
4
8
7
5
6
2
3
1
9
10
11
12
13
14
15
16
J4 P4
X13
H7
H6
H5
H4
H3
H2
H1
X12
X11
X16
X15
X14
X6
X5
X8
X7
X4
X3
X10
X9
X2
X1
P1-12
P1-11
P1-17
P1-18
MAX
MIN
TB
6
-8
TB
6
-7
TB
6
-6
R4
4.99K
4.99K
R3
P5-1
P5-2
2
1
F4
15
A
120VAC RELAY
K2
L1
L2
L3
T1
T2
T3
A
B
C2
20uf
400V
8W
10K
R11
Z D 2
180V AC
H1
H2
H3
H4
H5
H6
H7
NC
T1
PCB TRIM POT
838193
1
6
J1
P1
1
2
3
8
5
4
6
7
9
10
J2
P2
1
2
3
4
7
9
8
10
5
6
14
11
12
13
15
PLC1
PLC MODULE #1
6.11 Schematic- Precision Plasma Power Source
Part 1
Part 1
Part 1
Part 1
Summary of Contents for Precision Plasmarc
Page 16: ...SECTION 1 SAFETY 1 10 This page intentionally left blank ...
Page 20: ...SECTION 2 DESCRIPTION 2 4 Page intentionally left blank ...
Page 122: ...SECTION 4 OPERATION 4 88 Page intentionally left blank ...
Page 182: ...SECTION 7 REPLACEMENT PARTS 7 2 1 2 3 4 5 6 7 8 7 3 Plasmarc Power Source Exterior Components ...
Page 184: ...SECTION 7 REPLACEMENT PARTS 7 4 1 2 3 4 5 6 7 8 9 10 11 See TEE Detail Page 7 12 ...
Page 186: ...SECTION 7 REPLACEMENT PARTS 7 6 1 2 3 4 5 6 7 8 9 10 11 12 13 ...
Page 190: ...SECTION 7 REPLACEMENT PARTS 7 10 9 10 7 8 1 2 3 4 5 6 7 11 12 13 14 ...
Page 192: ...SECTION 7 REPLACEMENT PARTS 7 12 7 9 2 8 7 9 3 13 10 12 11 X5 1 4 5 6 2 3 7 8 9 TEE Detail ...
Page 194: ...SECTION 7 REPLACEMENT PARTS 7 14 1 2 3 4 5 6 7 8 9 7 10 ...
Page 196: ...SECTION 7 REPLACEMENT PARTS 7 16 1 2 3 4 5 6 7 8 9 10 11 12 13 ...
Page 198: ...SECTION 7 REPLACEMENT PARTS 7 18 1 2 3 4 5 6 7 7 5 Power Source Power Module ...
Page 200: ...SECTION 7 REPLACEMENT PARTS 7 20 A A 1 2 3 4 5 6 7 8 Section A A ...
Page 202: ...SECTION 7 REPLACEMENT PARTS 7 22 1 2 3 4 5 6 7 ...
Page 208: ...SECTION 7 REPLACEMENT PARTS 7 28 B B Section B B C C Section C C 1 2 3 4 5 6 7 8 ...
Page 210: ...SECTION 7 REPLACEMENT PARTS 7 30 1 2 3 4 5 ...
Page 224: ...SECTION 7 REPLACEMENT PARTS 7 44 Notes ...
Page 225: ......