Samsung WA5471ABP/XAA - Troubleshooting Common Issues; Start and Water Supply Problems; Noise, Detergent, and Stop Issues; Washer Stops Unexpectedly or Load Imbalance

PCB Diagram _ 27
5. PCB DIAGRAM
5-1. MAIN PCB
► ThisDocumentcannotbeusedwithoutSamsung’sauthorization.
Location Part No. Function Description
1 TE8 Motor Control Control to Motor
2 RY1 Main Relay Main Power Relay
3 F1 FUSE Limit the Over-Current
4 BD1 MakingDCVoltage ItworkstoChangetheACtotheDC
5 CE6 Charging Voltage Charge the DC LINK (300V)
Location Part No. Function Description
6 IC1 Switching IC MakingastableDC
7 TE6 Trans Circuit ChoppingtheDCLink
8
SSR1~6
TRIAC1~2
Load Control Turn ON/Off the Load(Valve etc.)
9 Q5,RY2
DoorLockSwitch
Driving Circuit
•DrivetheDoorLockSwitch
•ToggleCW/CCW
10 IC6 Driving Circuit
Drive the SSR or Relay
•SupplytheCurrenttotheActingCurrent
2
6
7
4
3
5
1
8
9
10
Hudson Washer.indb 27 2012-03-28 �� 9:46:01