Samsung ML-1665 Service Manual page 32

■ SMPS Board
• AC Input
- Input Rated Voltage : AC 220V ~ 240V AC 110V ~ 127V
- Input Voltage fluctuating range : AC 180V ~ 270V AC 90V ~ 135V
- Rated Frequency : 50/60 Hz
- Frequency Fluctuating range : 47 ~ 63 Hz
- Input Current : Under 4.0Arms / 2.0Arms (But, the status when Fuser is off or rated voltage is inputted/
outputted
• Rated Output Power
NO ITEM
1 CHANNEL NAME
2 CONNECTOR PIN
3 Rated Output
4 Max. Output Current
5 Peak Loading Current
6 RIPPLE NOISE Voltage
7 Maximum output
8 Peak output
Protection for loading shortage
9
and overflowing current
Service Manual
Product spec and feature
CH1
+3.3V
CON 3
3.3V PIN: 5,7
GND PIN: 8,9
+3.3V±5%
(3.135~3.465V)
0.8A
1.0A
100mVp-p
2.64W
3.3W
Shut down or Fuse
Protection
2-22
CH2
+24.0V
CON 3
24V PIN:1,2,3
GND PIN:8,9,25,26
+24V±10% -> -10%, +15%,
(21.6~26.4V) -> 27.6V
1.35A
1.8A
Under 500mVp-p
32.4W
43.2W
Shut down or Output
Voltage Drop
Remark
100ms
100ms
Samsung Electronics