Hypertherm Powermax30 AIR Service Manual - Manual (Page 62)

62 Powermax30 AIR Service Manual 808850
5 – Troubleshooting and System Tests
Power supply overview
Figure 2 – Power board side of power supply
WORK LEAD (BLK)
AC AC
R
w
TORCH START
BLK
BLK
B
TORCH START
1
2
4
5
6 7 8 9 10
3
1 Output diode and pilot arc IGBT module (D27)
2 Work lead connection (J22)
3 Input diode bridges (D24, D30)
4 PE (ground)
5 Power board (PCB2)
6 Power switch (S1)
7 PFC IGBT (Q1)
8 Flyback circuit
9 Inverter IGBT (Q2)
10 Control board (PCB1)