3.2Circuit Configuration
This scanner uses CCD image sensor scanning system. This scanner consists of following sections;
f Optical system (including fluorescent lamp, lenses, and CCD sensor) f Video circuit (including 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.
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| Video circuit |
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| Flatbed ADF | ||
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| CMPII | Image processing |
Power section | (option) | circuit ¬ (option) |
100 to 120 VAC |
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Power switch |
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220 to 240 VAC |
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Operator panel
Figure 3.2 Function block diagram
3 $ 3