Fujitsu M3093DG, Instruction Manual

Page: 27 / 208

3.2 Circuit Configuration
This scanner uses CCD image sensor scanning system. This scanner consists of
following sections;
f Optical system (including fluorescent lamp, and lenses)
f Video circuit (including CCD sensor, amplifier, and A/D converter)
f Scanner driver (including stepping motor and motor driver circuit)
f Control circuit (MPU circuit)
f Power section
Figure 3.2 is the function block diagram of this scanner.
Figure 3.2 Function block diagram
Motor driver
circuit
Power section
Control circuit
(MPU circuit)
Power switch
Image processing
circuit ¬ (option
)
Indication
panel
Mechanism
section
Flatbed ADF
Controller
100 to 120 VAC
220 to 240 VAC
Video circuit
(*1)
SIMM Memory
(M3093DE)
*1 Two video circuits are available for M3093DE.
3 $ 3