LG LBC20514TT - Titanium 19.7 cu. ft. Bottom Freezer Refrigerator LBC20514, Service Manual

Page: 9 / 43

5. CIRCUIT DIAGRAM
- 9 -
4
CON101
BK
1 9
PK
6
BO
3
SB
5 2 8
WH PR
7
YL
PWB(PCB) ASSEMBLY,DISPLAY
CON5
2 6 4
BK
5
PR
CON4
PK WH
BO
3 8 11 13 10 7
YL
10 11 1 12 8 9
SB
9
MOTOR
STEPPING
F-FAN
7
BL
3
BK YL WH
5 6
PR
4 1
RD GY
2
L1
11
CON1
CORD
POWER BN
10
BN
9
SB
SUPPLY
SB
1
BL BK
5 4
7
CON2
YL
BN
YL BK
6
BN
2
BL BL
7
3
BL
L
GN/YL
(GN)
N
GN/YL
M
ICE MAKER PART
(GN)
(9
8
C
)
F
U
S
E
-M
B
K
V
Cr
RD
8
BO
1
DEF-SENSOR
B PERCEPTION S/W
F-DOOR
4
PK
A
BO 3
2 PK
7
F-SENSOR
6
BL
WH
R-SENSOR
WH
5
RD
5
SB
1 3 2
SB
PK
2 2
F
U
S
E
-M
RD
(7
2
C
)
O
L
P
BK
O
L
P
4
D
O
O
R
S
/W
-F
B A
BO
n
c
PR
n
c
D C
n
c
n
c
c
o
m
c
o
m
D
O
O
R
S
/W
-R
c
o
m
c
o
m
CON6
BL 8
C
O
N
4
C
O
N
2
B
K
W
H
1
W
H
2
2
W
H
W
H
1 C
O
N
1
1
C
O
N
5
C
O
N
3
W
H
1
C
O
N
6
1
B
L
2
1
R
D
B
K
4 4
3 3
C
s
BL BL
PWB (PCB) ASSEMBLY, ICE MAKER
TO CHANGE IN DIFFERENT LOCALITIES AND MODEL TYPE.
*PLUG TYPE, ICE MAKER PART, CAPACITOR PART,
P.T.C START OPTION, COMP' EARTH PART AND COMP'
ACCESSORIES ON CIRCUIT DIAGRAM ARE SUBJECT
5 5
6 6
S
M
PART PART
S
M
BL
BL
Cr
BK
L
/YL
GN GN
/YL
COMP' EARTH COMP' EARTH
(GN) (GN)
* ALTERNATIVE COMP' ACCESSORIES
BL BL
EG COMP'
3 2
MC,MQ COMP'
* P.T.C START OPTION
PTC
O
L
P
COMBO KIT(PTC+OLP)
MEZ48108403
3
2
5 6
N
4
4
6 5
6
RD
H
E
A
T
E
R
,
IC
E
S
E
N
S
O
R
IC
E
M
A
K
E
R
M
O
T
O
R
S
H
E
A
T
H
I/
M
A
K
E
R
W
/V
A
L
V
E
S
/W
CAPACITOR PART
PTC STARTER
COMP' ACCESSORIES
P
O
W
E
R
H
E
A
T
E
R
,S
H
E
A
T
H
F
-L
A
M
P
R
-L
A
M
P
S
PWB(PCB) ASSEMBLY, MAIN
PK:PINK YL:YELLOW
BK:BLACK
GN:GREEN
BN:BROWN WH:WHITE
PR:PURPLE
BO:BRIGHT ORANGE
BL:BLUE
RD:RED SB:SKY BLUE
GY:GREY
WH
/RD BL
/WH
D C
GY GY
12
R
-D
O
O
R
P
E
R
C
E
P
T
IO
N
S
/W
WH
/RD BL
/WH
M
C
-F
A
N
BL
BK