8-2-1 Power Circuit
Power is supplied to the control board at the pin 11 and 9 of connector #1. (Refer to figure 1)
FIGURE 1
8-2-2 Load and Door Light Circuit (HV)
1. Load Drive Condition Check
To measure outputs of the control board, check voltages between the pins for the following components:
(Refer to figure 1)
PIN
11
9
7
5
3
1
N
L1
L(I/M)
N(I/M)
N
COMP
CONNECTOR 1
PIN
5
7
N/C
DEF-HTR
N/C
DOOR LAMP
CONNECTOR 2
1
3
NOTE
: When the door of the refrigerator is left open for 7 minutes or longer, the lamp of the refrigerator turns off automatically.
- 30 -
Circuit
Pin
Number
Pin
Number
Output
Voltage
Compressor
Con 1 Pin 1
Con 1 Pin 3
115 VAC
Defrost
Heater
Con 2 Pin 7
Con 1 Pin 3
115 VAC
R LAMP
Con 2 Pin 3
Con 1 Pin 3
115 VAC
Ice Maker
Con 1 Pin 7
Con 1 Pin 5
115 VAC
Dispenser
Valve
Con 3 Pin 1
Con 3 Pin 3
115 VAC
PIN
DISP. VALVE
N
CONNECTOR 3
1
3
H
E
A
TE
R
SH
E
A
TH
6
BL
POWER
BL
BN
SB
3
YL
2
BL
3
5
SUPPLY
BL
7
YL
9
SB
11
BN
10
CORD
8
4
1
CON3
BK
3
CON2
6
SB
4
CON1
2
7
5
BK
2
BN
1
BN
1
SB
C
O
N
2
FU
SE
-M
W
H
GN/YL
S/
W
BL
PWB (PCB) ASSEMBLY, ICE MAKER
2
B
K
B
K
1
W
H
2
P
O
W
E
R
C
O
N
4
Cr
1
SH
E
A
TH
C
O
N
5
C
s
GN/YL
W
H
H
E
A
TE
R
,
C
O
N
6
C
O
N
3
(GN)
ICE MAKER PART
IC
E
M
A
K
E
R
C
O
N
1
1
1
M
B
K
W
H
M
O
TO
R
IC
E
S
E
N
SO
R
RD
B
L
1
1
R
D
(GN)
(9
8
C
)
W
H
L
2
I/M
A
K
E
R
W
/V
A
LV
E
V
PK
M
BK
(GN)
S
6
2
O
LP
/YL
3
GN
5
BL
BL
RD
R
-L
A
M
P
FU
SE
-M
TH
E
R
M
O
ST
A
T
BL
P.T.C
2
6
5
3
4
EG COMP'
* P.T.C OPTION
4
5
2
6
3
COMP' EARTH
PART
PTC
CR
L
COMBO KIT
(PTC+OLP)
BL
ACCESSORIES
BK
N
O
LP
* ALTERNATIVE COMP'
COMP' ACCESSORIES
N
CAPACITOR PART
4
BL
WH
V
MC,MQ COMP'
DISPENSER
VALVE
*PLUG TYPE, ICE MAKER PART, CAPACITOR PART,
AND COMP' EARTH PART ON CIRCUIT DIAGRAM ARE
P.T.C, COMP' ACCESSORIES, DISPENSER LED,
SUBJECT TO CHANGE IN DIFFERENT LOCALITIES
AND MODEL TYPE.
F-
LA
M
P
A
B
S/
W
GY
F/
R
D
O
O
R
GY
BL
