![](/images/backgrounds/205137/205137-14229x1.png)
3.2Circuit 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.
Controller |
|
| Control circuit |
|
|
|
|
|
|
|
|
|
|
|
|
| Mechanism | ||
|
|
|
|
|
|
|
|
|
|
|
| ||||||||
|
|
|
|
|
|
|
| Video circuit |
|
|
|
|
| section | |||||
|
|
| (MPU circuit) |
|
|
|
|
|
|
|
|
|
| ||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Flatbed ADF | ||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Image processing |
Power section | circuit ¬ (option) |
100 to 120 VAC |
|
|
|
|
|
| |
Power switch |
|
|
| Motor driver | |||
|
|
|
|
|
| ||
220 to 240 VAC |
|
|
| circuit | |||
|
|
| |||||
|
|
|
|
| |||
|
|
|
|
|
|
|
|
Operator panel
Figure 3.2 Function block diagram
50FH5037E>02 | 3 | $ 3 |