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Samsung Electronics
Service Manual
System Overview
3-14
3.2.4 SMPS(Switching Mode Power Supply) PBA
SMPS is consisted of SMPS part which supplies DC power for driving system and AC Heat Control part which supplies
power to Fuser. Standard TYPE III is used.
1) DC Output
Main Controller PBA, OP Panel, BLDC, Sensors, Clutches, Other PBAs
2) AC Output
Fuser Unit(Heat Lamp, Thermostat)
3) Output Voltage
CON2
To Main PBA
CON1
CON3
AC Input
Fuser AC
CHANNEL +5.0V +24V +24VF
V_out +5.0V +/-5% +24.0V +15%/-10% +24.0V +15%/-10%
Load MicroController, LSU MOTOR, CLUTCH,
CMOS, LOGIC HVPS