Samsung WF806U4SA series - Understanding Information Codes

36 _ PCB Diagram
5-2. CIRCUIT DIAGRAMS OF MAIN PARTS
► ThisDocumentcannotbeusedwithoutSamsung’sauthorization.
► Controller Board
1. 5VforProgramUpdate
2. RESETforProgramUpdate
3. SignalforProgramUpdate
4. SignalforProgramUpdate
5. SignalforProgramUpdate
6. SignalforProgramUpdate
7. SignalforProgramUpdate
8. GDNforProgramUpdate
9. TxforProgramUpdate
10.RxforProgramUpdate
11. BOOTsignalforProgramUpdate
► CN5
1. N.C
2. BubblePump
3. Drain Pump
4. N.C
5. DoorLock
6. N.C
7. PREVALVE
8. COLDVALVE
9. HOTVALVE
10.N.C
► Relay
RY3HeaterRelay
► Relay
RY1PowerRelay
► CN3
1. Reactor Connection
2. Reactor Connection
► CN2
1. PowerSignal
2. Doorlock/unlockCheckSignal
3. N.C
► CN1
1. MainTx(SubRx)Signal
2. MainRx(SubTx)Signal
3. SubResetSignal
4. 5V
5. GND
6. 15V
7. N.C
8. N.C
9. StandbySignal
10.N.C
► CN4
1. MotorSignalU
2. MotorSignalV
3. MotorSignalW