Samsung SR-S25NTA - Troubleshooting

TiMereeltle)(=sJarereluare,
1.
Before
repair,
check
whether
POWER
CORD
is
normally
connected.
2.
Check
using
the
following
information.
10-1)
When
Power
is
not
On,
)
oaatistee
ene
Snapping
of
220
V
AC
FUSE
?
Y
Y
#
Connection
of
ends
of
-
Replacement
of
FUSE
POWER
CORD
DC-TRANS
N
1st
power
is
supplied?
y
Check
of
wire
assembly
connection
DC-TRANS
2nd
power
is
supplied?
Replacement
of
DC-TRANS
Snapping
of
FUSE
on
MAIN
PCB?
Replacement
of
FUSE
(AC
220
V
500
mA)
N
ee
ee
DC
5V
on
MAIN
PCB
:
is
coming
out?
ne
a
®
Voltage
measurement":
Repair
Power
part
on
PCB
of
REG
7085
OUT
end
|"
=:
(Replacement
of
REG
7805)
ee
N
DC
12V
on
MAIN
PCB
is
coming
out?
’
Repair
Power
part
on
PCB
(Replacement
of
REG
7812)
Wire
connection
of
MN
ia
eae
P
L
PCB
is
normal?
|
x
LEAD
WIRE
CABI,
DOOR
..
Repair
by
Wire
Connection
(Connect
athinge-upp)
“")?
(Refer
to
1)
;
N
PANEL
PCB
is
normal?
|
Replacement
of
PANEL
PCB
N
RESET
IC
(ICO2)
OUTLET
is
DC5V?
.
y
r
Replacement
of
RESET
IC