Dell 5330dn Service Manual page 37

• Fuser Voltage
□ Input Voltage : 24 V DC ± 15%
□ Output Voltage : 0V ~ 1KV DC ± 3%
□ Output Voltage Rising Time : 50 ms Max
□ Output Voltage Falling Time : 50 ms Max
□ Output Loading range : 10 MΩ ~ 100 MΩ
□ Output Control Signal(Fuser PWM) : CPU is HV output when PWM is Low
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.
• 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 6Arms / 2.4Arms (But, the status when lamp is off or rated voltage is
• 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
Service Manual
Product spec and feature
inputted/outputted )
4.5A~6.5A shutdown or
CH1
+5V
CON 3
5V PIN: 13,15,17,19
+5V ±5%
(4.75~5.25V)
4.0 A
4.4 A
Undoer 100mVp-p
20W
22W
Fuse open
2-26
CH2
+24.0V
CON3
24V PIN
1,3,5,7,9
+24V ±10%
(21.6~26.4V)
7.5A
8.0A
Under 500mVp-p
180W
192W
8.0A ~11A shutdown or
Fuse open