Samsung WF365BTB series - 5 PCB Diagram; Main PCB

PCB Diagram _ 33
5. PCB DIAGRAM
5-1. MAIN PCB
► ThisDocumentcannotbeusedwithoutSamsung’sauthorization.
Location Part No. Function Description
1 RY1 MainRelay MainPowerRelay
2 RY2 HeaterRelay
HeaterRelay
(Optiion:ThissectionisappliedtotheWF220*models)
3 PC1,2,3 CheckCircuit
• MaketheZerocross
• DoorLock/UnlockCheck
• HeaterCheck(OnlyWF220*models)
4 BD1 MakingDCVoltage ItworkstoChangetheACtotheDC
5 IC9 SwitchingIC MakingastableDC
6 LVT1 TransCircuit ChoppingtheDCLink
Location Part No. Function Description
7 IC1,2 RegulatingCircuit Regulationforthe5V
8 CE1,2 ChargingVoltage ChargetheDCLINK(300V)
9 F1 FUSE LimittheOver-Current
10 IC7 MotorControl ControltoMotor
11 RY3~8 LoadControl TurnON/OfftheLoad(Valveetc.)
12 IC3 DrivingCircuit
•DrivetheRelay
•SupplytheCurrenttotheActingCurrent
thpuGylsh
ipnihunGthpu
olh{lyGylsh
DB
11
12
10
7
6
8
4
1
2
9
3
5