Canon LBP-2000 Service Manual Page 62

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CHAPTER 2
E. Low-Voltage Power Supply Circuit
1. Outline
Low-voltage power
supply circuit
P1
CB
NF NF
High-voltage
power supply
circuit
ASIC
CPU
+3.3V circuit
+5V circuit
+24V circuit
Sensor
Motor
Heat discharging fan
Right door switch
Solenoid
Laser unit
BD detection
PCB
Paper feeder
Clutch
J1201
-8~-15
J1201
-18~-19
J1201
-22~-27
Power supply PCB DC controller PCB
Control panel
+5V
+3.3V
Video controller
PCB
+5V
+5V
+3.3V
+3.3V
Paper size
sensor
+3.3V
Left door switch
+24VR
+24V
+24V
+24VR
+24VR
+5V
+24V
+5V
+24V
+5V
Paper feeder
Paper feeder
+24V
+5V
AC DC
Option.
F1
F4
F5
F3
+24VR
SW1
Figure 2-2-13
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