LG LMX21981** /01 Service Manual page 40

8-2-4 Refrigeration Compartment Stepping Motor Damper Circuit
A reversible DC motor is used to open and close the damper.
To open the damper, push test button once.
To close the damper, push test button twice.
8-2-5 Dispenser Drive Circuit
Circuit
Auger Motor
Solenoid Cube
Pilot/ Water Valve
Solenoid Dispenser
Heater
Pin Number
Con1 Pin12
Con1 Pin11
Con1 Pin10
Con1 Pin9
Con1 Pin7
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Pin Number
Con1 Pin4
Con1 Pin4
Con1 Pin4
Con1 Pin4
Con1 Pin4
Output Voltage
115 VAC
115 VAC
115 VAC
115 VAC
115 VAC