LG F14U2TDHN Service Manual page 20

PCB LAYOUT(MAIN)
PCB Power
Fan Motor Control
Pressure Switch
White:Common
Purple-Blue:About 22Ω
Temp Sensor
Blue:Wash Heater
Red:Dry Heater1
Black:Dry Heater2
Auto Door Switch&Inlet Valve
&Dry Valve
Yellow/Red:Door Switch1
Blue:Door Switch2
White/Black:Main-Inlet Valve
Yellow/Black:Dry Valve
Drain Pump&Inlet Valve&Clean Valve
&Clean Valve
Brown:Drain Pump
Gray:Pre-Inlet Valve
Blue:Clean Valve
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Wash Heater
Dry Heater
Motor Stator Control
Yellow&Blue&Red
5-15Ω
Hall Sensor Control
Display
Door Switch&Steam Valve
&Circulation Pump
Black:Door Switch
Purple:Steam Valve
Blue:Circulation Pump