Hypertherm Powermax65 SYNC - Page 160

How the Plasma Power Supply Operates
7
160 810430 Troubleshooting Guide Powermax65/85/105 SYNC
Figure 41 – 380 V CCC / 400 V CE plasma power supply
RED
J33
RED
J21
ORG
J20
J12
B
R
J13
J2
J1
J19
TP13
TP11
TP12
W
R
B
J6 J5 J4 J3
WORK
LEAD
J27
J29
J18
J23
J24
J30
7
8
9
1
2
3
4
5
6
11
13
14
15
16
17
1819
12
1 0
21
20
1 J12 connector
2 J20 connector
3 J21 connector
4 Nozzle wire
5 Electrode wire
6 J33 connector
7 Output inductor wire
8 Work lead
9 Transformer wires
10 Test points
11 PFC inductor wires
12 Ground
13 MOV assembly
14 AC input wires (3)
15 Power switch
16 Power PCB
17 Flyback circuit
18 3uF capacitors
19 Gate drive connectors
20 Digital signal processor (DSP) PCB
21 Control PCB (in front panel)