ESAB ES 150i - Pro Models: IGBT and Rectifier PCB Component Testing

WIRING DIAGRAM
0463 714 001
- 32 -
© ESAB AB 2020
IGBT
1. IGBT 3. Primary rectifier bridge
2. Power connection (310V), pins in the
CN1 connector is 4.3.2.1 (from right to
left)
4. IGBT heat-sink
Rectifier PCB board
1. Main transformer 3. Main transformer primary input connector
2. Secondary diode radiator 4. Main transformer primary input connector