LG GR-M652Y*A - Page 40

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The following temperature sensor circuit consists of a sensor to detect the outside (ambient) temperature, sensor in
refrigerator compartment to detect freezer & refrigerator temp. The status of each sensor, whether open or shorted, is
shown below.
7-2-5 TEMPERATURE SENSOR CIRCUIT
Room Temperature Sensor
Refrigeration Sensor
Defrosting Sensor
SENSOR
POINT Voltage
POINT
Voltage
POINT
Voltage
CHECK POINT
0.5V ~ 4.5V
NORMAL(-30 °C ~ 50 °C)
0V
SHORT-CIRCUITED
5V
OPEN