200–240 v csa and 230 v ce power supply overview, Powermax, Troubleshooting and system tests 5-8 – Hypertherm Powermax45 Service Manual User Manual
Page 84: Service manual
TroubleshooTing and sysTem TesTs
5-8
powermax
45
Service Manual
TP 19
W
-
+
-
+
TP 18
R
TP 17
B
192 VDC
192 VDC
Power switch (S1)
Power board (PCB2)
Control board (PCB1)
Flyback circuit
PE (ground)
Newer power board
Input diode bridge
(D48)
Output diode and pilot arc
IGBT module (D38)
PFC IGBT (Q2)
Inverter IGBT
(Q3)
Work lead connection (J21)
Test points
200–240 V CSA and 230 V Ce power supply overview
TP 19
W
-
+
-
+
TP 18
R
TP 17
B
192 VDC
192 VDC
older power board
Input diode bridges
(D29, D39)
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