Service Manual
Summary of Product
3-18
Samsung Electronics
3.3.2.2 SMPS (Switching Mode Power Supply)
It is the power source of entire system. It is assembled by an independent module, so it is possible to use for common use.
It is mounted at the bottom of the set.
It is consisted of the AMPS part, which supplies the DC power for driving the system, and the AC heater control part, which
supplies the power to fuser. SMPS has two output channels. Which are 3.3V and +24V.
• AC Input
- Input Rated Voltage : AC 220V ~ 240V AC 120V / AC 220V(EXP version)
- Input Voltage fluctuating range : AC 198V ~ 264V AC 90V ~ 135V / AC 198V ~ 264V (EXP version)
- Rated Frequency : 50/60 Hz
- Frequency Fluctuating range : 47 ~ 63 Hz
- Input Current : Under 4.0Arms / 2.0Arms (But, the status when lamp is off or rated voltage is inputted/outputted )
• Rated Output Power
• Power Consumption
• Length of Power Cord : 1830
50mm
• Power Switch : Use
NO ITEM CH1(+3.3V) CH2(+5V) CH3(24V) System
1 Stand-By 1.0 A 0.07A 0.4 A AVG : 55 Wh
2 PRINTING 1.0 A 0.14A 2.0 A AVG : 280 Wh
3 Sleep-Mode 0.8A 0.01A 0.4A AVG : 10 Wh
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