Hypertherm Powermax125 Service Manua - Manual (Page 127)

Powermax125 Service Manual 808070 127
8 – Troubleshooting and System Tests
Figure 15 – Power supply overview, all systems (power board removed)
1
2
3 4 5 6
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8
9
10
1 Output snubber resistor
2 Output diode bridge
3 Pilot arc IGBT
4 Inverter snubber resistor
5 Inverter IGBT module
6 Bulk capacitors
7 Ground
8 Input diode bridge
9 Power switch (S1)
10 Optional serial board