Samsung RF265AB Service Manual page 94

PCB Layout with part position
6-2) PCB Layout with part position (SMPS Board)
Switching mode power supply
Circuit : change the AC voltage to DC voltage that needs for controlling the appliance.
1. BLOCK : Rectify the inputted AC voltage to DC voltage
2. BLOCK : Change the rectified DC voltage to DC12V & DC5V that needs for controlling the appliance with
PWM IC and switching trans.
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