Samsung WF520AB Series - Understanding Error and Information Codes

PCB Diagram _ 33
5. PCB DIAGRAM
5-1. MAIN PCB
Location Part No. Function Description
1 CN6 PBAPowerSupply Supply120VofACpower.
2 CN7 Reactor Connection Port Decreasegeneratednoisewhenthemotorisoperated.
3 RY1 MainRelay BeSuppliedPBApowerwhenthePowerbuttonispressed.
4 RY13 WashingHeaterRelay TheswitchfortheWashingHeaterpower.
5 RY11 SteamHeaterRelay TheswitchfortheSteamHeaterpower.
6 CN8 MotorPowerSupplyPort Supplythe3-phasedrivevoltagefortheWashingMotor.
7 CN3 HoleSensorConnectionPort DetectwhethertheWashingMotorisworkingnormally.
Location Part No. Function Description
8 CN10 SUB PBA Connection Port
SupplypowertotheSubPBAandprovidesacommunications
function.
9 IPM1 WashingMotorDriveIC Switchesandsuppliesthevoltagesforthemotor.
10 CN1 EachLoadConnectionPort Theporttosupplypowerforeachelectricdevice.
11 CN11 MEMS PBA Connection Port
SupplypowertotheMEMSPBAandprovidesacommunications
function.
12 RY12 DryHeaterRelay TheswitchfortheDryHeaterpower.
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DB
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8
11
7
10
5
12
4
1
2
3
6
9