Canon Image Reader-A1 iR5000i Service Manual page 459

The following shows arrangement of the machine's power supplies:
Leakage Line noise
breaker filter
AC input
Accessories
power supply
PCB
Manual feed
High-
door switch
voltage
(MSW2)
PCB
Rush current prevention PCB
Main
Duplexing
motor
driver
(M2)
PCB
Drum
motor
ADF
(M1)
Finisher
(accessory)
Paper deck
(accessory)
Motor driver
PCB
Hard disk
NE data
controller
(accessory)
Accessory
ON signal
power supply
COPYRIGHT © 2001 CANON INC.
Environment switch (SW3)
Main relay (RL1)
Main power
switch (SW1)
Front
cover
switch
(SW2)
A
3.3VA/5V
12VU/24VU
24VU
24VU3
DC power
supply
PCB
5V
24VU2
5V
12VU
3.3VA1
3.3VA2
24VU2
3.3VB/5V
F07-301-01
2000 2000 2000 2000 CANON iR5000i/iR6000i REV.0 JUNE 2001
CHAPTER 7 EXTERNALS AND CONTROLS
AC
driver
PCB
A
Thermal
Cassette
switch
(TP1)
B
Sub heater (H2)
C
Main heater (H1)
B
Laser
scanner
motor
Reader controller PCB
24VU
CCD/AP
PCB
100V model accessory
120V model Not used
230V model accessory
AC line
Drum heater (H3)
Drum
tempe-
rature
control
PCB
Cassette heater (H4)
Deck heater (H5)
heater
switch
(SW4)
Lens heater (H6)
Fuse
PCB
Mirror heater (H7)
Clutch
Potential
solenoid
control
PCB
DC controller PCB
Laser
driver
BD PCB
PCB
C
Inverter
PCB
Controller unit
Control
Inverter
5V
Card IV
PCB
(accessory)
Fixing/
feeding
relay
PCB
Control
panel
CPU
PCB
Control panel
switch
7-7 P