Growatt SPF 5000 ES - Page 18

SPF 5000 ES Service manual
18
DC-AC
Inverter
IGBT
(STGWT80H65DFB)
Q5/Q6/Q8/Q10
Resistance
Diode position
>60K CE
short or open
VEC=0.346V REF
0 or OL
100K GC
short or open
49.9K GE
short or open
BUCK
(STGWT80H65DFB)
Q69
Resistance
Diode position
>60K CE
short or open
VEC=0.346V REF
0 or OL
100K GC
short or open
49.9K GE
short or open
Resistance
R33/R34/R55/R56
Resistance
47 ohm
short or open
Photo-coupler
U5/U6/U7/U8/U9
Resistance
64K PIN 8-7
>100K PIN 5-6
short or open
Main board
S.P.S
Control IC
UC2845
Resistance
2K PIN5-PIN7
short or open
Diode
D52/D56
Resistance
>1K
short or open
diode position
VPN=0.357V REF
0 or OL
MOSFET
(IRF640NPBF)
Q40
Resistance
Diode position
>400K DS
short or open
VSD=0.512V REF
0 or OL
0.7M GD
short or open
>14K GS
short or open
Resistance
R176/R180
Resistance
10 ohm
short or open
MPPT
IGBT
(FGH60N60SMD)
Q1/Q2
Resistance
Diode position
>20K CE
short or open
VEC=0.358V REF
0 or OL
180K GC
short or open
24.9K GE
short or open
Diode
(APT30DQ60BG)
D1
Resistance
>180K
short or open
Diode position
VPN=0.374 REF
0 or OL
Photo-coupler
U1
Resistance
>200K PIN5-PIN6 ，
PIN7-PIN8，
short or open
Diode position
PIN2-PIN3 ， V=1.27
REF
0 or OL
Driver NPN /PNP
Q3
Diode position
PIN1-2 V=0.56 REF
PIN1-3 V=0.56 REF
0 or OL
Q4
PIN1-3 V=0.56 REF
PIN2-3 V=0.88 REF
0 or OL
MPPT
board S.P.S
MOSFET
(IXTP3N100P)
Q7/Q9
Resistance
Diode position
>100K DS
short or open
VSD=0.526V REF
0 or OL