Dell 1815 Mono Laser, Service Manual

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Service Manual
System Outline
4-14
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 115V ~ 127V / 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 5.0Arms / 2.5Arms (But, the status when lamp is of f or rated voltage is inputted/
outputted )
Rated Output Power
Consumption Power
NO ITEM CH1 CH2 Remark
1 CHANNEL NAME +5V +24.0V
2 CONNECTOR PIN CON 3 CON 3
5V PIN: 11,13,15 24V PIN:3,5,7,9
GND PIN: 12,14,16 GND PIN:4,6,8,10
3 Rated Output +5V 5% +24V 10%
(4.75 5.25V) (21.6 26.4V)
4 Max. Output Current 3 A 4.4 A
5 Peak Loading 3.6 A 5.3 A 1ms
Current
6 RIPPLE NOISE 100mVp-p Under 500mVp-p
Voltage
7 Maximum output 15W 105.6W
8 Peak output 18W 127.2W 1ms
9 Protection for Shut down or Fuse Shut down or Output
loading shortage and Protection Voltage Drop
overflowing current
NO ITEM CH2(+5V) CH3(+24V) System
1 Stand-By TBD A TBD A AVG : TBD Wh
2 PRINTING TBD A TBD A AVG TBD Wh
3 Sleep-Mode TBD A TBD A AVG : TBD Wh