Pcbs - Canon iR4570 Series Service Manual

Chapter 14
Notatio
n
SVR1
SP1

14.3.7 PCBs

14.3.7.1 PCBs
iR2270 / iR2870 / iR3570 / iR4570
<Reader Unit>
[1]
[2]
[3]
[4]
14-32
Parts No. Main controller PCB
FM2-2768
FM2-0342
HDD1
ELCB1
ELCB2
H4
Name
reader controller PCB
control panel CPU PCB
control pen key PCB
control panel inverter PCB
H1, H2
LA1
SVR1
VA1
SP1
F-14-18
T-14-20
Part No.
FG3-3765 controls the reader unit/ADF
FG6-8938 controls the control panel
controls the inputs from the
FG3-2834
keypad keys
controls the activation of the
FG6-8939
backlight of the LCD
DC controller PCB
J302B
H7
Description
0007-9881