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October 9th, 1995
1.6. CONTROL SYSTEM OUTLINE
Name
Full Name
Scanner Control Unit
SCU
Mother Board Unit
MBU
Sensor Board Unit
SBU
PSU
Power Supply Unit
Scanner Drive Unit
SDU
Scanner Display Panel
SDP
ADF Drive Unit
ADU
ADF Display Panel
ADP
OVERALL MACHINE INFORMATION
CONTROL SYSTEM OUTLINE
Function
This contains the scanner control cpu, the RAM,
the ROM, and the SCSI controller.
This contains a timing signal generator for the
CCD basic drive clock.
This contains the CCD (charge-coupled device).
After converting the analog video signal from the
scanned image, it amplifies the signal and sends
it to the MBU.
This supplies +24V, ±5V, and +12V to the MBU.
This controls the motors, lamp, and other
components in the scanner.
This lights up green and orange LEDs to
indicate the scanner condition.
This controls the motors, sensors, and other
components in the ADF.
This lights up green and orange LEDs to
indicate the ADF condition.
1-11
g404v509.wmf
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