Dell 1815 Mono Laser Service Manual page 32

System Outline
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
NO ITEM
1 CHANNEL NAME
2 CONNECTOR PIN
3 Rated Output
4 Max. Output Current
5 Peak Loading
Current
6 RIPPLE NOISE
Voltage
7 Maximum output
8 Peak output
9 Protection for
loading shortage and
overflowing current
Consumption Power
NO ITEM
1 Stand-By
2 PRINTING
3 Sleep-Mode
Service Manual
4-14
CH1 CH2
+5V +24.0V
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
+5V 5% +24V 10%
(4.75 5.25V) (21.6 26.4V)
3 A 4.4 A
3.6 A 5.3 A
100mVp-p Under 500mVp-p
15W 105.6W
18W 127.2W
Shut down or Fuse Shut down or Output
Protection Voltage Drop
CH2(+5V) CH3(+24V)
TBD A TBD A
TBD A TBD A
TBD A TBD A
Remark
1ms
1ms
System
AVG : TBD Wh
AVG TBD Wh
AVG : TBD Wh