Smdb, Vdb, Sib - Ricoh B286 Service Manual

Electrical Components

6.11.5 SMDB, VDB, SIB

SMDB (Scanner Motor Drive Board)
Controls the scanner motor.
VDB (Video Drive Board)
The VDB controls the LPH and the algorithms to convert video data.
SIB (Scanner Interface Board)
The SIB controls the CIS (Contact Image Sensor) and changes analog data to digital data
(A/D) for scanned images.
CIS I/F (1 to 5)
These small PCBs interface between the CIS units and the SIB. This facilitates
replacement of the CIS unit.
B286/B289 6-102 SM