Samsung WF42H5200AW - Debris Filter and Door Diaphragm Cleaning

28 _ PCB Diagram
5. PCB DIAGRAM
5-1. MAIN PCB
► ThisDocumentcannotbeusedwithoutSamsung’sauthorization.
Location Part No. Function Description
1 CN11 PBAPowerSupply Supply120VofACpower.
2 RY7 MainRelay BeSuppliedPBApowerwhenthePowerbuttonispressed.
3 RY8 DryHeaterRelay TheswitchfortheDryHeaterpower.
4 RY2 WashingHeaterRelay TheswitchfortheWashingHeaterpower.
5 CN2 Fan motor Connection Port Supplythe3-phasedrivevoltagefortheFANMotor.
6 CN3 MEMS Connection Port
SupplypowertotheMEMSPBAandprovidesacommunications
function.
Location Part No. Function Description
7 CN5
SmartdispenserConnection
Port
SupplypowertothedispenserPBAandprovidesa
communications function.
8 CN6 Sensor Connection Port
Supplypowertothesensorandprovidesacommunications
function.
9 CN4 LCDPBAConnectionPort
SupplypowertotheLCDPBAandprovidesacommunications
function.
10 CN9 SmarttestFLashWritingPort SupplySETMAINLINEsmarttest
11 CN7 SUBPBAConnectionPort
SupplypowertotheSUBPBAandprovidesacommunications
function.
12 CN10 EachLoadConnectionPort Theporttosupplypowerforeachelectricdevice.
DB
2
1
3
4
12
11
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