LG LFXS30786 Series Service Manual page 64

8-17. Refrigerator room lamp doesn't work
Symptom
1. Ref rigerator room
lamp doesn't work
CON7
CN1
CON7
CN1
CON6 CON6
CON3
CON2
CON3
CON2
CON5
CON5
CON6
1. Check the Refrigerator door switch
2. Check the door S/W resistance
3. Check the LED Lamp
CON201
CON201
CON1
CON1
Door S/W
Door S/W
Push S/W
CON6
28 th pin & 30 th pin
LED Lamp
Blue & Black
- 64 -
Check Point
LED Lamp
Resistance [Ω]
Normal 0
Infinity
Voltage [V]
11.4~12.6V
Voltage [V]
Closed
Open 11.4~12.6V
LED Lamp
0~2V