Samsung CLX-6220FX - Main Pba

Product Specication and feature
Service Manual
2-29
Samsung Electronics
3) Power Flow
■ Main PBA
- Supply From SMPS +5V
- Power Supply with Regulator (3.3V & 2.5V & 1.8V & 1.1V & 1.0V: Switching Regulator)
- 3.3V : I/O Operating (Digital & Analog)
- 1.8V : DRAM & Video I/F Voltage
- 1.1V : SPGPV4 CPU Voltage
- 1.0V : SPGPV4/CHROUS3 Core Voltage
■ HVPS
- High Voltage Source for EP Condition
- Supply From SMPS +24V
- Controlled By PWM Pulse & I/O
■ SMPS
- Type 4 (stage 3 type)
- +24V : For use Mechanical Part (Motor & Actuator (Solenoid, Clutch))
- +5V : Logic, Analog, Sensor
HVPS
LPEC3
SMPS Type 5
PTB unit
5V
5V_SMPS24V224V1
5VS
Cover open
Switch
relay
24V1
24VS1
24V2 24VS2
5VL 5VLSU
24VS1
24VS2
3.3V_CRUM
3.3V
24V_ENABLE
OPC BLDC
Fuser BLDC
EXIT Step Motor
MP solenoid
Pickup solenoid
Deve K clutch
SCF
FAN_REAR
24V2
DEV CRUM
LSU LD,BD
FDB (FUSER_ON)
DEVE BLDC
FEED Step Motor
LSU_MOTOR
FAN_FUSER
24V1
5V 5VL
OPE PANEL
SPGPv4 (24ppm)
CHROUS3 (20ppm)
nPOWER_OFF
nCRUM_POWER
drawer
5V_CTD
Regulator
1W
micom
ACR/CTD sensor
REVERSE STEP
SCAN STEP
DADF STEP
CCD SENSOR
24V3
nPOWER_ON
nEN_SLEEP
CCD_LAMP
5VCCD
24V3