Canon fb1210u サービスマニュアル
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.
driver. The CPU controls all scanning operations, and the ROM has the control program code.