Samsung WA48H7400AP - PCB Diagram; Main PCB

28 _ PCB Diagram
5. PCB DIAGRAM
5-1. MAIN PCB
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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/O󰀨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