Specifications

4-15
Samsung Electronics
Summary of product
Service Manual
4.1.6 SMPS (Switching Mode Power Supply) PBA
The SMPS unit supplies DC power for driving the whole system, it also contains an AC heater control unit
that supplies power to the fuser.
1) DC output
- Main controller PBA, OP panel, SCF, Developer driver PBA
2) AC output
-Fuser unit (Heat lamp, Thermostat)
3) Output voltage
NO Item CH1 CH2 CH3 CH4
1 Channel name +3.3V +5V +24.0V +24.0VF
2 Rated outputting voltage 3.3V ± 4% +5V ± 4% +24V + 15%/-10% +24V + 15%/-10%
3 Rated outputting crrunt 2.5A 0.5A 1A 2A
4 Uses MICOM,CMOS MICOM,CMOS MOTOR,FAN MOTOR,FAN
LOGIC LOGIC
CON4
CON3
CON1 CON2
CON4
CON3
CON4
CON3
CON1
Fuse
CON2