Pcb Diagram; Main Pcb - Samsung WF42H5200AP Service Manual

5. PCB DIAgRAM

5-1. MAIN PCB

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Location Part No. Function
1 CN11 PBA Power Supply
2 RY7 Main Relay
3 RY8 Dry Heater Relay
4 RY2 Washing Heater Relay
5 CN2 Fan motor Connection Port
6 CN3 MEMS Connection Port
28 _ PCB Diagram
5
2
1
D B
Description
Supply 120V of AC power.
Be Supplied PBA power when the Power button is pressed.
The switch for the Dry Heater power.
The switch for the Washing Heater power.
Supply the 3-phase drive voltage for the FAN Motor.
Supply power to the MEMS PBA and provides a communications
function.
6 7 8
4
3
Location Part No.
Smart dispenser Connection
7 CN5
Port
8 CN6 Sensor Connection Port
9 CN4 LCD PBA Connection Port
10 CN9 Smart test FLash Writing Port
11 CN7 SUB PBA Connection Port
12 CN10 Each Load Connection Port
9 10
11
12
Function Description
Supply power to the dispenser PBA and provides a
communications function.
Supply power to the sensor and provides a communications
function.
Supply power to the LCD PBA and provides a communications
function.
Supply SET MAIN LINE smart test
Supply power to the SUB PBA and provides a communications
function.
The port to supply power for each electric device.