Dell 1600n - Multifunction Laser Printer B/W, Service Manual

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Service Manual
Summary of Product
4-16
4.4.2 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 SMPS 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 +5V and +24V.
1) 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
> Rated Frequency : 50/60 Hz
> Frequency Fluctuating range : 47 ~ 63 Hz
> Input Current : Under 5.0Arms / 2.5Arms (But, the status when lamp is off or rated voltage is
inputted/outputted )
2) Rated Output Power
3) Consumption Power
4) Length of Power Cord :
1830 ± 50mm
5) Power Switch :
Use
NO ITEM CH2 CH3 Remark
1 CHANNEL NAME +5V +24.0V
2 CONNECTOR PIN CON 3 CON 3
5V PIN: 8 24V PIN:11,12,13
GND PIN: 7 GND PIN:9,10
3 Rated Output +5V & 5% +24V & 10%
(4.75 % 5.25V) (21.6 % 26.4V)
4 Max. Output voltage 0.14 A 2.0 A
5 Peak Loading voltage 0.14 A 2.5 A 1ms
6 RIPPLE NOISE 100mVp-p Under 500mVp-p
Voltage
7 Maximum output 0.35W 48W
8 Peak output 0.7W 60W 1ms
9 Protection for loading -
shortage and
overflowing current
NO ITEM CH2 (+5V) CH3 (+24V) Remark
1 Stand-By 0.07A 0.4 A AVG:55 Wh
2 PRINTING 0.14A 2.0 A AVG 350 Wh
3 Sleep-Mode 0.01A 0.4A AVG : 20 Wh