Power Supply; Low-Voltage Power Supply - Brother HL-6050 Service Manual

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
(+3.3V, +8V [non regulated] and +24V), which are converted from the AC line.
The regulated output and the production code of each power supply are listed below;
Regulated Output
+3.3V / 2.0A
+8V / 0.4A
+24V / 4.0A
For the circuit diagram of the low-voltage power supply PCB, see
VOLTAGE POWER SUPPLY CIRCUIT DIAGRAM'
Fuse
MPS2203
Lightning
Surge
Absorber
Line
Filter
Production Code
100V: MPS2203
200V: MPS2103
MPS2103
Lightning
Surge
Absorber
Fuse
Rectifier
24V
Regulation
Circuit
3.3V
Regulation
Circuit
in this manual.
(Heater)
Thermal
Fuse
Heater
Circuit
Feedback
Oscillator
Fig. 3-19
3-15
HL-6050/6050D/6050DN SERVICE MANUAL
APPENDIX 8. or 9. 'LOW-
Lamp
(Engin Circuit / Main Circuit)
24V
8V
3.3V