Samsung CLP-325 Series, Service Manual

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Product spec and feature
Service Manual
2-22
Samsung Electronics
2.2.2.4 SMPS(Switching Mode Power Supply) PBA
SMPS is the power source of the entire system. It is assembled by an independent module, so it is possible
to use for common use. It is mounted at the side of the set. It is consisted of the SMPS part which supplies
the DC Power for driving the system and the AC Heater control part which supplies the AC Power to the
Fuser. The SMPS has two DC output channels, +5V and +24V.
AC Input
Fuser
AC
input
Fuse
SMPS
Signal
SMPS
Power
Fuser
AC
input
Fuse
SMPS
Signal
SMPS
Power
Input Rated Voltage AC 110V~127V, AC 220V~240V
AC 120V/AC 220V(EXP version)
Input fluctuating range AC 99V~135V, AC 198V~264V
Rated Frequency 50/60 Hz
Frequency Fluctuating 47~63 Hz
Input Current < 4.0Arms, 2.0Arms
Rated Output Power
No Item CH1 CH2 Remark
1 Channel Name +5V +24.0V
2 Connector Pin CON 3
5V Pin: 1
GND Pin: 2 CON 3
24V Pin: 3
GND Pin: 4
3 Rated Output +5V ±5%
(4.75~5.25V) +24V ±10%
(21.6~26.4V)
4 Max. Output Current 2 A 2.5 A
5 Peak Loading Current 2.2 A 2.7 A 1ms
6 Ripple Noise <100mVp-p <500mVp-p
7 Maximum Output 10.2W 60W
8 Peak Output 11W 64.8W 1ms
9 Protection for loading shortage and
overflowing current Shut down or Fuse
Protection
Shut down or Output
Voltage Drop