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COPYRIGHT © CANON ELECTRONICS INC. 2012
CANON P-208 FIRST EDITION
2-11
CHAPTER 2 FUNCTION & OPERATION
IV. CONTROL SYSTEM
1. Control PCB
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.
The function of electric double layer
capacitor is shown in "V. POWER SUPPLY".
Image data control block
Electric double layer capacitor block
DC/DC converter block
5 VDC
Control PCB
CIS I/F FRONT
AFE
(IC18)
CIS I/F BACK
USB I/F
(J102)
MOTOR I/F
(J103)
Sub-CPU
(IC28)
EEPROM
(IC14)
SDRAM
32 MB
(IC24)
ASIC
(IC15)
AFE
(IC17)
FLASH
Memory
(IC19)
FLASH
Memory
(IC20)
FLASH
Memory
(IC21)
(J101)
Figure 2-401
Содержание P-208
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