LG LFX23961 Series Service Manual page 34

8-2-2 Load / Fan & Open Door Detection Circuit
1. Load Drive Condition Check
To measure outputs of the control board, check voltages between the pins for the following components:
*LOAD DRIVE AREA ON MAIN PCB
Circuit Circuit
Lamp - R Lamp - R
Lamp - F Lamp - F
Defrost Heater Defrost Heater
Compressor Compressor
L- Door Heater L- Door Heater
Ice Maker Ice Maker
Pin Number Pin Number
Con3 Pin9 Con3 Pin9
Con3 Pin7 Con3 Pin7
Con3 Pin10 Con3 Pin10
Con3 Pin12 Con3 Pin12
Con3 Pin8 Con3 Pin8
Con2 Pin1 Con2 Pin1
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Pin Number Pin Number
Con3 Pin4 Con3 Pin4
Con3 Pin4 Con3 Pin4
Con3 Pin4 Con3 Pin4
Con3 Pin4 Con3 Pin4
Con3 Pin4 Con3 Pin4
Con3 Pin4 Con3 Pin4
Output Voltage Output Voltage
115 VAC 115 VAC
115 VAC 115 VAC
115 VAC 115 VAC
115 VAC 115 VAC
115 VAC 115 VAC
115 VAC 115 VAC