Canon iR8500 Service Manual page 58

1.3 Inputs to and Outputs from the Major PCBs (iR8500)
Potential
control PCB
J3
Stackless feed
driver PCB
J3602
Laser scanner
motor
M15
J762
J1301
Laser driver
PCB 2
J1302
J1304
J1301
J1452
Laser
Pixel/line
driver
conversion
PCB 1
PCB
J3701
BD PCB
HVT-DC1
PCB
J723
Environment
sensor PCB
J302
Cassette 3
paper level
detection PCB J295
Cassette 4
paper level
detection PCB
J296
AC driver
PCB
J792
Main power
switch
Note: The
COPYRIGHT© 2001 CANON INC.
J502
J519
J3
J503
J507
J526
J1303
Card
DC
Reader-D1
controller
(option)
PCB
J510
Copy Data
Controller
J516
(option)
J516
J516
J505
J4
J105
in the figure indicates principal connections, NOT the flow of signals.
2000 2000 2000 2000
LCD
J6802
Control
panel
panel
CPU
J6803
J2
PCB
J1
Inverter
J6804
PCB
J6808
Key B
J6801
PCB
J6901
J1018
J1022
J1017
Hard
disk
Main
J1551
controller
PCB
J1024
J1532
J1022
J1020
J1530
J1716
J1726
Relay
J1718 J1712
PCB
J1701
J1706
DC power
supply PCB
J701
J782
All night power
supply PCB
J783
J781
F02-103-01
CANON iR8500/7200 REV.1 AUG. 2001
CHAPTER 2 NEW FUNCTIONS
J6807
Key A
PCB
J6605
J6806
J6601
Key C
J6805
PCB
J6602
Differential
J1104
PCB
J9202
J1014
J9201
J1015
J1107
J1502
J1108
CCD/AP
PCB
J1503
Scanner
J1109
motor PCB
J802
M3
Fluorescent
J1109
lamp
inverter
J1002
PCB
detection PCB
Reader
controller
PCB
J1102 J1103
J1901
Original
orientation
2-3