Samsung CLP-770ND Service Manual page 28

3) Power Flow
Main PBA
- Supply From SMPS +5V
- Power Supply with Regulator (3.3V & 1.8V & 1.1V & 1.0V & 0.9V : Switching Regulator)
- 3.3V : I/O Operating (Digital & Analog)
- 1.8V : DRAM & Video I/F Voltage
- 1.1V : SPGPV4 CPU Voltage
- 1.0V : SPGPV4 Core Voltage
HVPS
- High Voltage Source for EP Condition
- Supply From SMPS +24V
- Controlled By PWM Pulse & I/O
SMPS
- Type 5 (stage 3 type)
- +24V : For use Mechanical Part (Motor & Actuator (Solenoid, Clutch))
- +5V : Logic, Analog, Sensor,
PANEL
FAN_HVPS
MAIN BOARD
FAN_FUSER
24V1
FAN_REAR
24V2
LSU_MOTOR
OPC BLDC
24V3
24V3
Service Manual
Product spec and feature
HVPS_MAIN
Cover open
Switch
HVPS_SUB
24VS1
24V1
V4
nPower_OFF
LPEC3
24V_ENABLE
24V2
24V1
SMPS Type5
5V
5V 5VS
5V
24VS2
24V2
relay
5VS
nCRUM_Power
drawer
5V_SMPS
2-18
24VS1 Fuser BLDC
MP clutch
FDB (FUSER_ON)
BLDC DEV
24VS2
FEED STEP
SCF
clutch Dev K
CST Pick UP
REGI Clutch
5VL 5VLSU
LSU LD,BD
3.3V
3.3V_CRUM DEV CRUM
PTB
ACR sensor
Samsung Electronics