Reader Controller Pcb - Canon iR C3380 series Service Manual

5.1.4 Reader Controller PCB

/ / / / iR C3380i / iR C3380 / iR C2880i / iR C2880
The following shows the functional construction of the reader controller PCB:
Jack
J500
J501
J502
J503
J504
J505
J506
J510
J511
J512
IC
IC501
IC505
IC513
IC514
IC515
IC517
IC519
IC520
IC521
IC522
DC24V
DC15V
DC5V
DC3.3V
J500 J501
J505
IC501
IC513
IC515
IC514
J506
IC519
CPU
IC520
J508
F-5-3
T-5-3
Description
used to supply power to the ADF.
used for power from the machine (printer unit).
used for communication with the machine (printer unit).
used for communication with the ADF.
used for communication with the ADF.
used for connection to the main motor.
used for connection with the original cover open/closed sensor, CIS HP sensor.
used for connection with the contact image sensor (CIS).
used for connection with the original size sensor (AB/Inch).
used for connection with the inverter PCB.
T-5-4
Description
reader motor driver
image data parallel/serial conversion
EEPROM (backup of service mode settings)
EEPROM (backup of service mode settings)
image processing (shading correction)
A/D converter
CPU (boot program storage)
system software storage (flash ROM)
A/D converter
A/D converter
J502
J504
IC505
J503
IC517
IC521
J510
IC522
J511
J512
Chapter 5
0013-8568
5-3