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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)
11 10
WH
(SB)
POWER
SUPPLY
CORD
N
L
GN/YL
(GN)
*PLUG TYPE, CAPACITOR PART, P.T.C START
OPTION, DOOR HEATER, THERMOSTAT, RT-SENSOR
AND COMP' ACCESSORIES ON CIRCUIT DIAGRAM ARE
SUBJECT TO CHANGE IN DIFFERENT LOCALITIES
AND MODEL TYPE.
MEZ62439806
BK: BLACK
YL: YELLOW
SB: SKY BLUE
BN: BROWN
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 Fig. 1).
Pin
Circuit
Number
Compressor
Con 1 Pin 1
Defrost
Con 2 Pin 7
Heater
F Lamp
Con 2 Pin 5
Con 2 Pin 1
R Lamp
and/or 3
Ice Maker
Con 2 Pin 9
French Door
Con 3 Pin 1
Heather
NOTE: When the door of the refrigerator is left open for 7 minutes or longer, the lamp of the refrigerator turns off
automatically.
CON 1
9
8
7
6
5
4
3
2 1
BN
BL
BL
BK
CAPACITOR PART
PK
Cr
2
RD
S
4
5
M
GN
3
/YL
6
BL
(GN)
BL
P.T.C
COMP' ACCESSORIES
GN: GREEN
PK: PINK
BO: BRIGHT ORANGE
PR: PURPLE
Pin
Output
Number
Voltage
Con 1 Pin 3
115 VAC
Con 1 Pin 3
115 VAC
Con 1 Pin 3
115 VAC
Con 1 Pin 3
115 VAC
Con 1 Pin 3
115 VAC
Con 3 Pin 3
115 VAC
CON 2
9
8
7
6 5
4
3
2
1
3
PR
BN
RD
SB
SB
BL
com
com
nc
nc
A B
* P.T.C OPTION
MC,MQ COMP'
EG COMP'
2
3
4
4
5
6
6
3
5
2
GY: GRAY
WH: WHITE
BL: BLUE
RD: RED
Pin
Pin
11
11
N
N
Pin
Pin
9
9
Ice
Ice
Valve
Valve
- 35 -
CON 3
2
1
BN
FRENCH DOOR HEATER
com
nc
A
B
com
nc
DOOR S/W-R1&R2
* ALTERNATIVE COMP'
ACCESSORIES
BK
CR
BL
L
N
PTC
COMBO KIT
(PTC+OLP)
Fig. 1
GN/YL: GREEN/YELLOW
BL/WH: BLUE/WHITE
BK/WH: BLACK/WHITE
RD/WH: RED/WHITE
Connector 1
Connector 1
9
9
3
3
1
1
L
L
N
N
COMP
COMP
Connector 2
Connector 2
7
7
5
5
3
3
Def
Def
Heater
Heater
F Lamp
F Lamp
R Lamp
R Lamp
1
1
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