Kodak 5KVA-220V - INV Full Bridge Check; INV Full Bridge Components

SERVICE MANUAL
5KVA-220V/230V
20
V201703A
3.4 Check the INV full bridge
Power devices
INV IGBT: QB2/QD2/QA1/QC1
QB2 QD2 QA1 QC1 Q32 D13 Q30 Q29 Q27 Q28
Parts
Attribute
Reference values
Failure status
QB2/QD2/QA1/QC1
Resistor
GE: 23.3K
GC: 250k
CE: 38M
Short or explosion
Diode
EC: 0.4V
CE: OL
Note1: If one or more of them were damaged, please replace all of them.