Samsung WF316LAW Service Manual page 87

12-2. POWER SUPPLY PART
▶ Role
- Generates consistent voltage necessary to control the circuit such as 15V and 5V from the high AC voltage.
- This circuit uses switching transformer.
▶ Operation
- Generates DV voltage from AC input through diode (bridge).
- Generates 15V and 8V voltage from switching transformer.
- Static voltage of 5V output from IC1 output terminal.
12-2