| 1 |
Display Printed Circuit Board (PCB) interface
(J3) |
15 |
Work lead wire (J23) |
| 2 |
Torch interface (J19) |
16 |
Power transformer primary – black (J6) |
| 3 |
Machine interface (CPC) (J21) |
17 |
Power transformer primary – red |
| 4 |
Output inductor – yellow (J13) |
18 |
Capacitor screws (4) |
| 5 |
Red nozzle wires (J15) |
19 |
Test points (TP1, TP2, TP3) |
| 6 |
White electrode wire (J18) |
20 |
Power Factor Correction (PFC) inductor – black
(J4) |
| 7 |
Voltage divider PCB
interface (J17) |
21 |
PFC inductor – red
(J5) |
| 8 |
Power transformer secondary – black (J14) |
22 |
Ground |
| 9 |
Power transformer secondary – red (J12) |
23 |
Alternating Current (AC) input wire – white
(J1) |
| 10 |
Output diode and pilot arc Insulated-gate Bipolar Transistor (IGBT) (Q10) |
24 |
AC input wire – black
(J2) |
| 11 |
Inverter IGBT
(Q1) |
25 |
Serial communication (RS-485) interface (J11) |
| 12 |
PFC IGBT
(Q2) |
26 |
Fan interface (J7) |
| 13 |
Snubber resistors (2) |
27 |
Solenoid valve interface (J8) |
| 14 |
Input diode bridge (D6) |
|
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