Samsung CLP-500 Service Manual page 29

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
1 Channel name
2 Rated outputting voltage
3 Uses
CON4
CON3
CON1
Samsung Electronics
CH1 CH2
+3.3V +5V
3.3V ± 4% +5V ± 4%
MICOM,CMOS MICOM,CMOS
LOGIC LOGIC
CON4 CON4
CON3 CON3
CON2
Summary of product
CH3 CH4
+24.0V +24.0VF
+24V + 15%/-10% +24V + 15%/-10%
MOTOR,FAN MOTOR,FAN
CON1 Fuse
CON2
Traninung Manual
4-15