Trou
b
l
e
shootin
g
S
a
msun
g
El
e
c
troni
c
s
4-101
I
PM
[IG
B
T] breakdown diagnostics (Inverter
PCB
)
1. Pr
e
p
a
r
a
tions
b
e
f
or
e
c
h
e
c
kin
g
1) Pow
e
r O
ff
.
2
) IPM
f
a
ilur
e
,
d
is
c
h
a
r
g
e
mo
de
m
a
y not work prop
e
rly. Th
e
r
e
f
or
e
, w
a
it mor
e
th
a
n 15 minut
e
s
a
f
t
e
r th
e
Pow
e
r O
ff
.
3
) R
e
mov
e
a
ll o
f
th
e
Inv
e
rt
e
r PCB
c
onn
e
c
tors
a
n
d
wir
e
th
a
t is
f
ix
ed
a
s s
c
r
e
w.
(In
c
lu
de
wir
e
th
a
t is
f
ix
ed
to
c
ompr
e
ssor
a
n
d
DC R
ea
c
tor.)
4) Pr
e
p
a
r
e
th
e
d
i
g
it
a
l multi t
e
st
e
r.
2
. Insp
e
c
tion M
e
tho
d
1) R
e
f
e
r to Fi
g
ur
e
1
a
n
d
T
a
b
l
e
1, r
e
sp
e
c
tiv
e
ly th
e
r
e
sist
a
n
c
e
v
a
lu
e
a
n
d
d
io
de
volt
a
g
e
v
a
lu
e
m
ea
sur
e
.
2
) A
cc
or
d
in
g
to th
e
c
rit
e
rion in T
a
b
l
e
1 to
de
t
e
rmin
e
wh
e
th
e
r th
e
f
a
ilur
e
o
f
IPM.
Division
M
ea
sur
ed
Point
Crit
e
rion
R
e
m
a
rk
+
-
M
ea
sur
e
th
e
r
e
sist
a
n
c
e
v
a
lu
e
s
P-IGBT U
Mor
e
th
a
n
500
Ꮒ
M
ea
sur
e
m
e
nt
e
rror
c
a
n o
cc
ur
f
or
r
ea
sons su
c
h
a
s th
e
initi
a
l m
ea
sur
e
m
e
nt
c
on
de
ns
e
r
d
is
c
h
a
r
g
e
.
M
ea
sur
ed
ov
e
r
a
t l
ea
st thr
ee
tim
e
s.
P-IGBT
V
P-IGBT
W
U
N-IGBT
V
N-IGBT
W
N-IGBT
M
ea
sur
e
th
e
d
io
de
volt
a
g
e
v
a
lu
e
s
U
P-IGBT
0.
3
~0.7V
V
P-IGBT
W
P-IGBT
N-IGBT
U
N-IGBT
V
N-IGBT
W
< T
a
b
l
e
1 >
< Fi
g
ur
e
1 >
ࢉ؟ਫ਼ 3&%
Inv
e
rt
e
r PCB
Содержание AM072FXVAFH series
Страница 214: ...Samsung Electronics 5 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 5 PCB Diagram and Parts List 5 1 ASS Y PCB MAIN...
Страница 219: ...5 6 Samsung Electronics 5 2 ASS YPCBMAIN HUB AC 1 2 3 4 5 6 7 8 9 10 11 12...
Страница 221: ...PCB Diagram and Parts List 5 8 Samsung Electronics ASS YPCBMAIN HUB cont DC 1 1 2 3 4 5 6 7 8 9 10 11...
Страница 223: ...5 10 Samsung Electronics 4 2 3 5 8 9 7 1 6 5 3 ASSY PCB INVERTER...
Страница 225: ...5 12 Samsung Electronics ASS Y PCB INVERTER cont 4 8 10 9 7 6 11 12 13 1 2 3 5...
Страница 229: ...5 16 Samsung Electronics 5 5 ASS YPCBFAN Model 1 FANchassis 1 5 2 6 3 4...
Страница 231: ...5 18 Samsung Electronics ASS YPCBFAN cont Model 2 FAN chassis 1 7 2 8 3 4 5 9 6...
Страница 244: ...Wiring Diagram 6 15 Samsung Electronics Wiring Diagram Samsung Electronics 6 16 6 8 AM216KXVGJ6...
Страница 260: ...Samsung Electronics 7 15 7 19 AM038KXWD66 7 20 AM048 055KXWD66...
Страница 274: ...Samsung Electronics 8 13 8 3 How to check the view mode using a tact switch AM6666XV666 rX rY rZ r A type B type...
