LG LSC27990TT Service Manual page 31

EXPLANATION FOR MICOM CIRCUIT
1-12. Temperature compensation and temperature compensation circuit
1. Temperature compensation in freezer and refrigerator
(1) GR-G277STSA(LSC27990TT)
Freezer
Resistance value
(RCF1)
180 kΩ
56 kΩ
33 kΩ
18 kΩ
12 kΩ
10 kΩ
8.2 kΩ
5.6 kΩ
3.3 kΩ
2 kΩ
470 Ω
u Temperature compensation table by adjustment value (difference value against current temperature)
Ex) If you change compensation resistance at a refrigerator (RCR1) from 10 kΩ (current resistance) to 18 kΩ (modified
resistance), the temperature at the refrigerator will increase by +1°C[+1.8°F].
Temperature compensation at refrigerator
Temperature compensation at freezer
Temperature compensation at refrigerator
Temperature compensation at freezer
Temperature Resistance value
compensation
+5 °C [+9°F]
+4 °C [+7.2°F]
+3 °C [+5.4°F]
+2 °C [+3.6°F]
+1 °C [+1.8°F]
0 °C [0°F]
-1 °C [-1.8°F]
-2 °C [-3.6°F]
-3 °C [-5.4°F]
-4 °C [-7.2°F]
-5 °C [-9°F]
Refrigerator
Temperature
(RCR1) compensation
180 kΩ +2.5 °C [+4.5°F]
56 kΩ +2.0 °C [+3.6°F]
33 kΩ +1.5 °C [+2.7°F]
18 kΩ +1.0 °C [+1.8°F]
12 kΩ +0.5 °C [+0.9°F]
10 kΩ 0 °C [0°F]
8.2 kΩ -0.5 °C [-0.9°F]
5.6 kΩ -1.0 °C [-1.8°F]
3.3 kΩ -1.5 °C [-2.7°F]
2 kΩ -2.0 °C [-3.6°F]
470 Ω
-2.5 °C [-4.5°F]
- 31 -
Remarks
Warmer
Reference temperature
Cooler