CHAPTER 2 FUNCTIONS & OPERATION
IV. CONTROL SYSTEM
1. Control Circuits
The overall system of this machine is
controlled by the control PCB. The block
diagram and the function list of major ICs
are shown below.
Control PCB
SDRAM
(IC1)
SDRAM
(IC2)
Serial
EEPROM
(IC8)
Flash memory
(IC11)
Computer
Scanner controller
(IC6)
CIS PCB
(front)
CIS PCB
(back)
Sub PCB
Ultrasonic
drive PCB
Operation PCB
Main motor
Motor driver
(IC17)
Motor driver
(IC16)
Feed motor
Separation clutch
Figure 2-401
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CANON ELECTRONICS INC. 2011 CANON DR-M160 FIRST EDITION
2-13