Samsung RFG298AARS Specifications download pdf (Page 100)

TROUBLESHOOTING

INVERTER CONTROLLER BOARD Connector Location

1. Inrush Current protecting area : It prevents an instant inrush of current generated in condenser when plug in.

2. PCB Power Source : Power source (HYBRID IC). It supplied DC15V and 5V to MICOM.

3. Location sensing resistance area : It senses motor location through the current detected.

4. Current sensing area : It senses the current from the SHUNT resistance and controls PWM DUTY.

5. COMP operating SIGNAL area : It receives COMP operating signal from MAIN PCB and conduct it.

6. BOOTSTRAP live part : Charging circuit that 1GBT of SPM can On/Off securely.

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Samsung RFG298AARS Specifications Page 100