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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

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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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