Samsung ML-1645

Service Manual
Product spec and feature
2-21
Samsung Electronics
1) SMPS Specification
- AC Input
Input Rated Voltage : AC 220V ~ 240V, AC 120V / AC 220V(110V version)
Input Voltage fluctuating range : AC 90V ~ 135V / AC 180V ~ 270V(220V version)
Rated Frequency : 50/60 Hz
Frequency Fluctuating range : 47 ~ 63 Hz
Input Current : Under 4.0Arms / 2.5Arms
(But, the status when lamp is off or rated voltage is inputted/outputted )
- Rated Output Power
- Consumption Power
- Power Cord Length : 1830° 50mm
- Power Cord Switch : Use
- Feature
. Insulating Resistance : 100 or more (at DC 500V)
. Insulating revisiting pressure : Must be no problem within 1 min. (at 1000Vac,10mA)
. Leaking Current : under 3.5mA
. Running Current : under 40A PEAK (AT 25 , COLD START)
under 50A PEAK (In other conditions)
. Rising Time : within 2Sec
. Falling Time : over 20ms
. Surge : Ring Wave 6KV-500A (Normal, Common)
No Items CH1 CH2 Remarks
1 Channel +5V +24.0V
2 Connector pin CON 3 CON 3
5V PIN : 11, 12 24V PIN : 2, 3, 4
GND PIN : 8, 9 GND PIN : 6, 7
3 Rated Output +5V 5% +24V 5%
(4.75 ~ 5.25V) (20.4 ~ 27.6V)
4 Max. Output current 0.8A 2.0A
5 Peak Loading current 1.0A 2.5A 1ms
6 RIPPLE NOISE Voltage 100mVp-p or less 500mVp-p or less
7 Maximum output 4W 24W
8 Peak output 5W 48W 1ms
9 Protecttion for loading
shorage and overflowing
current
No Items CH1(+5V) CH2(+24V) System
1 Stand-by 1.0 A 0.4 A AVG : 55 Wh
2 PRINTING 1.0 A 2.0 A AVG : 250 Wh
3 Sleep-Mode 0.8 A 0.4 A AVG : 10 Wh