Samsung WD8 K64 Series, Service Manual, Page: 46 / 54

44 _ PCB Diagram
5. PCB DIAgRAM
5-1. MAIN PCB (DD)
2
3
10
4
9
1
12
5
6 7
8
Location Part No. function Description
1 CN11 PBA Power Supply Supply 220V 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 com -
munications 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 com -
minications functuion
9 CN4 LCD PBA Connection Port
Supply power to the LCD PBA and provides a com -
munications function
10 CN9 Flash Writing Connection Port Provides writing Flash memory
11 CN7 SUB PBA Connection Port
Supply power to the SUB PBA and provides a com -
munications function
12 CN10 Each Load Connection Port The port to supply power for each electric device
WD6500K_7-8-9-11kg_1400rpm-SM.indb 44 2018/11/9 9:53:34