Brother HL-1260 service manual Low-Voltage Power Supply PCB Block Diagram

HEAT/

+24V

+5V +5V

+24VRET

±0V

±0V

FANLOCK/

1

4

2 3

5

6 7

8

P3

Chopper

Rectfier

Over

Voltage

Detector

Transformer

Control

Feedback

TH1 H1

Lamp

ToHeater Circuit

Heater

Control

Rectfier

Thermal

Fuse

P1

F101

L

N

F102

L

N

21

Noise Filter

Power

Switch

(SW1)

Inlet

AC IN

Figure 3.9 Low-Voltage Power Supply PCB Block Diagram

III- 13