A20112 Power Supply Schematic [better] -

Maintains high power factor by regulating the input voltage and current to be in phase, reducing power loss. 2. Key Components of the A20112 Power Supply Schematic

Working on power supply schematics involves hazardous voltages. Always adhere to the following safety protocols: a20112 power supply schematic

Use an oscilloscope to verify that the auxiliary winding is providing a proper signal to the ZCD pin. Maintains high power factor by regulating the input