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SUMMARY OF PRODUCT
Samsung Electronics
Service Manual
4.5 SMPS & HVPS
The SMPS supplies the DC power to the system.
It takes 110V/220V and outputs the +3.3V, +5V and +24V to supply the power to the main board and ADF
board.
The HVPS part creates the high voltage of THV/MHV/Supply/Dev and supplies it to the developer part for
making the best condition to display the image. The HVPS part takes the 24V and outputs the high voltage
for THV/MHV/BIAS, and the outputted high voltage is supplied to the toner, OPC cartridge, and transfer
roller.
MAIN PBA CON.
CN3
(FAN CON.)
CN1
(H/L CON.)
F101
250V L2A
EXIT SENSOR
CN4
(PANEL CON.)
MHV
OPC
DEV
SUPPLY
THV
COVER OPEN SWITCH
MANUAL SENSOR
FEED SENSOR
PAPER-EMPTY SENSOR
F1
110V : 125V/8A
220V : 250V T 5A H
F2
110V : 125V/3A
220V : 250V 2A H