Samsung ML-1665 Service Manual - Page 32

■ SMPS Board, Input Voltage fluctuating range : AC 180V ~ 270V

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Page 32 highlights

Product spec and feature ■ 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 CH1 1 CHANNEL NAME +3.3V 2 CONNECTOR PIN CON 3 3.3V PIN: 5,7 GND PIN: 8,9 3 Rated Output +3.3V±5% (3.135~3.465V) 4 Max. Output Current 0.8A 5 Peak Loading Current 1.0A 6 RIPPLE NOISE Voltage 100mVp-p 7 Maximum output 2.64W 8 Peak output 3.3W 9 Protection for loading shortage Shut down or Fuse and overflowing current Protection 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 Service Manual 2-22 Samsung Electronics

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Product spec and feature
Service Manual
2-22
Samsung Electronics
• 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
■ SMPS Board
NO
ITEM
CH1
CH2
Remark
1
CHANNEL NAME
+3.3V
+24.0V
2
CONNECTOR PIN
CON 3
3.3V PIN: 5,7
GND PIN: 8,9
CON 3
24V PIN:1,2,3
GND PIN:8,9,25,26
3
Rated Output
+3.3V±5%
(3.135~3.465V)
+24V±10% -> -10%, +15%,
(21.6~26.4V) -> 27.6V
4
Max. Output Current
0.8A
1.35A
5
Peak Loading Current
1.0A
1.8A
100ms
6
RIPPLE NOISE Voltage
100mVp-p
Under 500mVp-p
7
Maximum output
2.64W
32.4W
8
Peak output
3.3W
43.2W
100ms
9
Protection for loading shortage
and overflowing current
Shut down or Fuse
Protection
Shut down or Output
Voltage Drop