Brother International HL 1240 Service Manual - Page 53
Power Supply
UPC - 012502600855
View all Brother International HL 1240 manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 53 highlights
CHAPTER 3 THEORY OF OPERATION 1.5 Power Supply 1.5.1 Low-voltage power supply The power supply uses a switching regulation system to generate the regulated DC power (+5 V and +24 V), which are converted from the AC line. The regulated output and the production code of each power supply are listed below; Regulated Output +5 V / 1.6 A +24 V / 2.15 A Production Code 100V: MPW1555 200V: MPW1455 Fuse Lightning Surge Absorber Heater Circuit (Heater) Thermal Fuse Lamp Line Filter Fuse Rectifier Feedback Oscillator 24V Regulation Circuit 5V Regulation Circuit Fig. 3-19 3-15 (Engin Circuit) 24V 5V
CHAPTER 3
THEORY OF OPERATION
3-15
1.5
Power Supply
1.5.1
Low-voltage power supply
The power supply uses a switching regulation system to generate the regulated DC power (+5
V and +24 V), which are converted from the AC line.
The regulated output and the production code of each power supply are listed below;
Regulated Output
Production Code
+5 V / 1.6 A
+24 V / 2.15 A
100V: MPW1555
200V: MPW1455
Heater
Circuit
Thermal
Fuse
Lightning
Surge
Absorber
Feedback
Line
Filter
Fuse
Rectifier
Oscillator
24V
Regulation
Circuit
24V
5V
Lamp
(Heater)
(Engin Circuit)
Fuse
5V
Regulation
Circuit
Fig. 3-19