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4-15
Samsung Electronics
Summary of product
Traninung 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
Uses
MICOM,CMOS
MICOM,CMOS
MOTOR,FAN
MOTOR,FAN
LOGIC
LOGIC
CON4
CON3
CON4
CON3
CON4
CON3
CON1
CON1
Fuse
CON2
CON2