Canon iR3570 Series, Service Manual

Page: 431 / 722

Chapter 10
10-5
F-10-5
10.4.1.2 Route of Power Inside the Printer Unit
0008-8136
iR2230 / / / iR3530 /
The machine's power is supplied by the printer power supply PCB. The DC power to accessories is supplied by the accessories power supply PCB.
The functions of the individual power supply PCBs are as follows, shown together with the distribution of power:
T-10-7
Name Description Remarks
Printer power supply PCB generates DC power (24 V, 13 V). supplies DC power to
controller PCB, cassette pedestal
Accessories power supply PCB supplies DC power to finisher.
Main switch turns on/off AC power to AC driver PCB.
Door switch turns on/off DC power to DC driver PCB.
Leakage breaker cuts off power in the event of error.
High-voltage power supply PCB generates various high voltage.
AC driver PCB
supplies AC power to printer power supply PCB, accessories
power supply PCB, uninterrupted power supply PCB. Fixing
drive.
Controller power supply PCB supplies DC power to 3way unit-A1, fax board, controller, DC
controller PCB, HVT.
generates DC power (5 V, 3.3 V).
Uninterruptive power supply
PCB generates and supplies uninterruptive power (3 VB).
Printer power supply block
To Finisher-Q3/Q4
To Finisher-Q3/Q4
(by way of Cassette
Feeding Unit-Y2)
Side Paper Deck-Q1
To Buffer Path-E1
To Buffer Path-E1
To Finisher-S1
To Finisher-S1
Heater switch
SW5
Cassette heater(H4)
Deck heater(H7)
Cassette pedestal(H1C)
Reader heater(H6)
Leakage breaker
ELCB2
Main switch
SW1
Heater
switch PCB
Pickup
heater
mounting
kit
Reader heater(H5)
AC driver PCB
Accessories
power
supply PCB
All-night
power
supply PCB
Printer
power
supply PCB
Fixing main heater(H1)
Fixing sub heater(H2)
Thermal switch(TP1)
Controller power supply PCB
13V
A
2
24VU2
24VU1
24VU2
13VA1
13VA2
13VB
T
o
Cassette F
eeding Unit-Y2
T
o
3-W
a
y
Unit-A1
T
o
3-W
a
y
Unit-A1
3VB
3VB
Controller
PCB
Printer
unit
DADF
-N1
Super G3 Fax
Board-Q1
F
ront co
v
e
r
open/close s
witch
SW2
DC controller PCB
3V
A
5V
A
13V
A1
2
4
VU2
24VU1 24VU1
HVT
High-voltage
power supply PCB
24VA
13VA2 13VA2
24VU1: non-all night 13VA1: non-all night 5VA: non-all night
3VA: non-all night
3VB: all night
13VA2: non-all night
13VB: non-all night 24VU2: non-all night
24VA: non-all night
13V
A
2
24VU2
24VU2
13V
A
24VU2
13V
A
1
3V
A
5V
A
13VB
3VB