Video Data Path - Ricoh A230 Service Manual

1.4 VIDEO DATA PATH

1.4.1 TRANSMISSION
Memory Tx
Auto Shading
Gamma Correction
M T F
Graduation Processing
Main Scan Reduction
- 400 to 200 dpi
Thresholding
Memory Tx
without image
rotation
SCP
(DCMMR)
FCU
N C U
Analog G3
SM
Scanner
BiCU
VPC
Memory Tx
with Image Rotation
SCP
Page Memory
(Rotation)
SCP
(DCMMR)
SAF Memory
D e c o m p r e s s i o n
C o m p r e s s i o n
(Main Scan Reduction)
SCP
(DCR)
Modem
CiG4
ISDN G3
1-9
Sub Scan Magnification
Immediate Tx
Auto Shading
Gamma Correction
M T F
Graduation Processing
Main Scan Reduction
- 400 to 200 dpi
- Inch-mm Conversion
- A3 to B4, A3 to A4, B4 to A4
Thresholding
Immediate Tx
SCP
Page Memory
SCP
(DCR)
J B I G
C o m p r e s s i o n
PMU Board
QM-CORDER
(Optional)
CiG4
ISDN G4
VIDEO DATA PATH
C o m p r e s s i o n
A693V501.WMF
A230/A231/A232