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