CHAPTER 2
2 - 19
COPYRIGHT
©
2000 CANON INC. CANOSCAN FB1210U REV.0 APR. 2000 PRINTED IN JAPAN (IMPRIME AU JAPON)
CPU
ASIC
+12V
Host
Computer
Main PCB
AC Adapter
Scanning Unit
Inverter &
Scanning Lamp
Drive Motor
ROM
USB
Controller
Motor Driver
IV. CONTROL SYSTEM
A. Control System Diagram
Figure 2-17
B. Main PCB
Main PCB consists of CPU, ROM, SRAM, DRAM, ASIC, USB controller, analog I/C and motor
driver. The CPU controls all scanning operations, and the ROM has the control program code.