Dell 2145cn Service Manual page 43

2.2.2.2 Power Flow
• SMPS
- Type V (standard type)
- +24V : For use Mechanical Part (Motor & Actuator (Solenoid, Clutch)), CCDM
- +5V : Logic, Analog, Sensor
• Main B'D
- Supply From SMPS +5V
- Power Supply with Regulator (3.3V & 1.2V & 1.0V : Switching Regulator)
- 3.3V : I/O Operating (Digital & Analog)
- 1.0V : Chorus 3 Core Voltage
• HVPS
- High Voltage Source for EP Condition
- Supply From SMPS +24V
- Controlled By PWM Pulse & I/O
Product spec and feature
2-32