Smdb, Vdb, Sib - Ricoh Aficio 240W Service Manual

6.11.5 SMDB, VDB, SIB

Scanner Motor
CIS 1
Regis. Clutch
LPH 1
Drum Motor
Main SW
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.
SM
Cooling Fan
Operation Panel
CIS 1
CIS 3
LPH 2
SMDB VDB
6-91
ELECTRICAL COMPONENTS
Scanner Stop SW
CIS 1
CIS 5
LPH 3
SIB CGB PP
B125D923.WMF
B125