Smps Board - Samsung CLX-8540ND Service Manual

2.3.2.5 SMPS Board

SMPS( Switching Mode Power Supply ) board supplies electric power to the engine board and other boards
through a Main-Engine Controller by +5V,+24V from 110V/220V power input. It has safety protection modes
for over current and over load, and it is ready to apply the power-save mode of 1 watt.
OUTPUT 24V1/2/3/4 (CON2)
CONTROL SIGNAL (CON4)
OUTPUT 5V1/2/3 (CON3)
SPECIFICATION
General Input/Output Voltage
1) AC 110V (90V ~ 135V)
2) AC 220V (180V ~ 270V)
3) Input Current: 5.0 [Arms]
4) Output Power: 335W / Max. 450W
DC 5V: 45W ~ 60W
DC 24V: 290W ~ 390W
Service Manual
Product Overview
• Connection
1 INPUT_AC (from Fuser Drive Board)
2 OUTPUT_5V1/2/3 (to Engine PBA)
3 OUTPUT_24V1/2/3/4 (to Engine PBA)
4 SMPS control (from Engine PBA)
2-30
INPUT AC (CON1)
Samsung Electronics