LG LDF7774BB, Руководство по обслуживанию

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For Authorized Service Technician
- 66 -
(LDF7774, LDS5774 Series)
1
2
3
4
1
2
3
4
1
2
3
4
5
6
1
2
3
4
5
6
RD3
B
L4
WH
4
B
L6
YL3
N
A
8
RD6
W
as
h
m
ot
or
1
2
3
4
5
6
7
Fa
n
Motor
V
ar
io
Motor
D
is
pen
-s
er
In
le
t
V
/V
(Su
m
p)
B
LD
C
D
ra
in
Motor
X
2
X
1
1
2
3
4
1
2
3
4
1
2
3
1
2
3
1
2
3
1
2
3
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
1
2
3
4
5
6
N
O
N
O
C
O
M
C
O
M
N
O
N
O
C
O
M
C
O
M
U
V
W
U
V
W
H
a
H
b
G N D
Vcc
1
2
1
2
1
2
1
2
3
U
V
W
Flow
M
et
er
3
2
1
1
2
2
1
T
he
rm
is
tor
(Su
m
p
)
T
urbi
dity
S
en
sor
1
2
3
R
D
B
K
G
Y
V
T
B
L
S
B
W
H
B
L
S
B
W
H
R
D
B
L
G
Y
G
Y
YL
B
L
O
R
S
B
B
L
W
H
V
T
B
L
B
L
B
N
S
B
YL
YL
B
L
B
K
R
D
W
H
B
K
G
Y
Main
PCB
Fu
se
B
K
W
H
B
L
B
N
B
N
L
N
B
K
B
N
3 2 1
3 2 1
R
in
se
R
efi
ll
V
ar
io
S
/W Fl
oat
S
/W
C
O
M
N
C
N
O
C
O
M
N
C
N
O
R
D
W
H
B
L
B
K
B
K
B
K
B
K
S
ump
He
ater
B
N
B
N
R
D
R
D
B
L
YL
G
Y
B
K
R
D
N
OTES
Test
M
ode
•
P
res
s
A
ut
o
&
He
av
y
&
PO
W
ER
•
P
res
s
H
al
f
Lo
ad
&
D
el
ay
S
ta
rt
&
PO
W
ER
•
P
res
s
D
el
ay
S
ta
rt
1T
ime
t
o
9T
imes
C
omp
on
en
t
Tests
•
Vo
ltage
Test
s
w
ith
c
onn
ec
to
rs
in
st
all
ed
•
O
hm
Test
s
w
ith
c
onn
ec
to
rs
r
em
ov
ed
Er
ro
r
M
es
sa
ge
•
IE
–
IN
LE
T
E
R
R
OR
•
O
E
–
D
R
A
IN
E
R
R
OR
•
AE
o
r
E1
–
LE
A
K
AGE
E
R
R
OR
•
FE
–
EX
C
ESS
E
R
R
OR
•
tE
-
THE
R
M
AL
E
R
R
OR
•
LE
–
M
O
T
O
R
E
R
R
OR
•
HE
–
HE
A
TE
R
E
R
R
OR
•
nE
–
V
A
R
IO
E
R
R
OR
W
H
1
RD1
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
N
A
9
1
2
3
4
5
6
1
2
3
4
5
6
N
A
6
P
res
su
re
S
/W
P
res
su
re
S
/W
Wi
rin
g
Col
or
L
eg
en
d
B
K
–
Bl
ac
k
B
L
–
Blue
B
N
–
B
row
n
GN
–
G
re
en
GY
–
G
ra
y
OR
–
Or
an
ge
P
K
–
P
in
k
R
D
–
Red
S
B
–
Sky
Blue
W
H
–
W
hite
V
–
V
iol
et
YL
-
Yell
ow
Fun
ct
io
n
T
es
t w
hil
e
ope
ra
tin
g;
P
ress
Au
to
&
D
ua
l Co
nt
ro
l =
W
at
er
T
em
p.
P
ress
Au
to
&
H
ea
vy
=
W
at
er
Su
pp
ly
F
re
qu
en
cy
P
ress
D
ua
l Co
nt
ro
l &
H
ea
vy
=
W
as
h
Motor
R
P
M
P
ress
Q
uic
k
&
D
ry
&
Ex
tr
a
D
ry
=
D
ra
in
Motor
R
P
M
P
ress
D
ua
l Co
nt
ro
l &
N
or
m
al
=
V
ar
io
P
os
ition
P
ress
Au
to
&
D
el
ic
at
e
&
P
owe
r
=
IP
M
T
em
p.
Displa
y
PCB
Displa
y
PCB
1
2
3
4
5
6
7
8
9
10
1
2
3
4
5
6
7
8
9
10
11
1
2
3
4
5
6
7
8
9
11
10
9
8
7
6
5
4
3
2
1
LED Supporter
6
5
4
3
2
1
10
9
8
7
6
5
4
3
2
1
G
N
Y
L
O
R
R
D
B
N
B
K
B
K
B
N
R
D
O
R
YL
G
N
B
L
V
T
G
Y
W
H
P
ow
er
B
ut
to
n
B
K
B
N
R
D
O
R
YL
G
N
B
L V
T
G
Y
W
H
P
K
12
V
dc
7~13
N
A8
V
T
to
B
L
B
L(
2
) t
o
B
L(
3
)
B
L
to
V
T
12
V
dc
25
±
5
%
Ω
B
L6
O
R
to
B
L
4~5
Ω
YL3
S
B
t
o
B
L
B
L
to
W
H
W
H
t
o
SB
12~13
R
D
6
B
L
to
R
D
5~20
Ω
R
D
3
W
H
t
o
B
L
B
L
to
SB
S
B
t
o
W
H
8
~
15
V
dc
W
H
4
R
D
to
B
K
(V
ol
tage
I
np
ut
)
V
T
to
B
K
(P
ul
si
ng
S
igna
l)
G
Y
to
B
K
(P
ul
si
ng
S
igna
l)
12
~
15
W
or
ki
ng
:
120
±
10
%
V
ac
S
to
p
: 0
~
1
V
ac
B
L4
R
D
to
B
L
5
V
dc
120
±
5
%
Ω
120
±
10
%
V
ac
11
~
12.5
Ω
W
or
ki
ng
:
120
±
10
%
V
ac
S
to
p
: 0
~
1
V
ac
X
1
W
H
t
o
X
2
B
L
No
is
e
Fil
te
r
0
Ω
W
H
1
W
H
t
o
R
D
1
B
N
W
H
1
B
K
t
o
R
D
1
B
K
W
H
B
K
P
ow
er
Co
de
120
V
ac
/
60
H
z
D
oo
r
S
/W
(2/2)
D
oo
r
S
/W
(1/2)
120
±
10%
V
ac
120
±
10%
V
ac
120
±
10%
V
ac
120
±
10%
V
ac
120
±
10%
V
ac
120
±
10%
V
ac
Not
e
:
A
ll
S
w
itc
h
are
Norm
al
ly
Clo
se
d
/
Pre
ss
Butt
on
& S
w
itc
h
O
PEN
S
!