LG LFXS24623B - Refrigerator Room Lamp Doesn’t Work

9-5 Refrigerator room lamp doesn’t work
Symptom Check Point
1. Refrigerator room
lamp doesn’t work
1. Check the freezer door switch sticky
2. Check the door S/W resistance
3. Check the LED Lamp
Resistance [ ]Ω
Door
S/W
Normal Infinity
Push S/W 0
Voltage [V]
CON6
20
th
pin ~ 15
th
pin
12V
Door S/W
LED Lamp Voltage [V]
Blue~ Black
Close
d
0~2V
Open 12V
LED LampCON6
R LED
F LED