Pcb Diagram; Pcb Diagram; Main Pcb - Samsung WA5471AB Series Service Manual

5. PCB DIAGRAM

5-1. MAIN PCB

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4
2
3
Location Part No. Function
1 TE8 Motor Control
2 RY1 Main Relay
3 F1 FUSE
4 BD1 Making DC Voltage
5 CE6 Charging Voltage
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7
5
Description
Control to Motor
Main Power Relay
Limit the Over-Current
It works to Change the AC to the DC
Charge the DC LINK (300V)
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1
Location Part No.
6 IC1 Switching IC
7 TE6 Trans Circuit
SSR1~6
8 Load Control
TRIAC1~2
Door Lock Switch
9 Q5,RY2
Driving Circuit
10 IC6 Driving Circuit
8
10
Function Description
Making a stable DC
Chopping the DC Link
Turn ON/Off the Load(Valve etc.)
• Drive the Door Lock Switch
• Toggle CW/CCW
Drive the SSR or Relay
• Supply the Current to the Acting Current
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PCB Diagram _ 27

2012-03-28 9:46:01