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Hypertherm powermax1250 Service Manual

Hypertherm powermax1250
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MAINTENANCE
powermax1250 Service Manual 3-27
4
Test 6 – flyback circuit
DC power supply circuit test (+5 VDC, +10 VDC, +18 VDC, and +24 VDC).
Verify that the diodes listed below are not short-circuited by checking their resistance (approximately 2k).
Note: Check the voltage to TP1.
Inspect the circuit for damage.
D4 = 24 VDC R1 = 24 VDC
D5 = 24 VDC R2 = 18 VDC
D7 = 10 VDC R9 = -6 VDC
D9 = 18 VDC R18 = 5 VDC
D17 = 5 VDC R20 = 0.75
R26 = 18 VDC
R55 = 18 VDC
80
80
TP1

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Hypertherm powermax1250 Specifications

General IconGeneral
BrandHypertherm
Modelpowermax1250
CategoryWelding System
LanguageEnglish

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