LG LFX23961SW /01 Service Manual page 37

8-2-3 Temperature Sensor Circuit
CONNECTOR 6
PIN 1
12V GND RXD
TEMPERATURE
- 20 ºC (-4 °F)
- 15 °C (5°F)
- 10 °C (14 °F)
- 5 °C (23 °F)
0 °C (32 °F)
+ 5 °C (41 °F)
+ 10 °C (50 °F)
+ 15 °C (59 °F)
+ 20 °C (68 °F)
+ 25 °C (77 °F)
+ 30 °C (86 °F)
+ 40 °C (104 °F)
+ 50 °C (122 °F)
• The resistance of the SENSOR has a ±5% common difference.
• Measure the resistance of the SENSOR after leaving it for over 3 minutes in the measuring temperature.
This delay is necessary due to sensor response speed.
2 3 4 5 6
DISPLAY
RT-
SENSOR
TXD
RESISTANCE OF FREEZER/Icing
SENSOR
22.3 K
16.9 K
13.0 K
10.1 K
7.8 K
6.2 K
4.9 K
3.9 K
3.1 K
2.5 K
2.0 K
1.4 K
0.8 K
"LOCATED ON DISPLAY PCB"
PIN 1 2 3 4
STEPPING
MOTOR
RESISTANCE OF REFRIGERATOR &
DEFROST SENSOR & ROOM SENSOR
- 37 -
CONNECTOR 6
5 6 7 8 9 10 11 12
F-DOOR
D-SNR R-SNR F-SNR
S/W