Kodak 5KVA-220V - MPPT Board Components

SERVICE MANUAL
5KVA-220V/230V
22
V201703A
3.5 Check the MPPT board
Power devices
Q1 Q2 D1
Q3
Q4
REC1
Parts
Attribute
Reference values
Failure status
Q1, Q2,
Resistor
GS: 25k
GD: 218K
DS: OL
Short or explosion
Diode
SD: 0.381V
DS: OL
D1
Resistor
+ to -: 202.8k
- to +: OL
Short or explosion
Diode
+ to -: 0.389V
- to +: OL
REC1
Resistor
+ to -: 303.7k
- to +: 0.7M
Short or explosion
Diode
+ to -: 0.535V
- to +: OL
Q4、Q3
Resistor
GS: 20K-40K
GD: 300K-400K
DS: OL
Short or explosion
Diode
SD: 0.532V
DS: OL