Video Data Path - Ricoh A284 Service Manual

VIDEO DATA PATH

1.4 VIDEO DATA PATH
1.4.1 TRANSMISSION
Memory Tx
Auto Shading
G a m m a C o r r e c t i o n
M T F
Graduation Processing
Main Scan Reduction
- 400 to 200 dpi
Thresholding
Memory Tx
without image
rotation
FACE
(DCMMR)
FCU
A874
Scanner
BiCU
FACE
(VIF)
Memory Tx
with Image Rotation
FACE
Page Memory
(Rotation)
FACE
(DCMMR)
SAF Memory
Decompression
Compression
(Main Scan Reduction)
FACE
(DCR)
M o d e m
N C U
Analog G3
1-8
Sub Scan Magnification
Immediate Tx
Auto Shading
G a m m a C o r r e c t i o n
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
FACE
Page Memory
FACE
(DCR)
JBIG
Compression
EXFUNC board
Q M - C O D E R
(Optional)
CiG4 CiG4
ISDN G3 ISDN G4
C o m p r e s s i o n
A874V501.WMF
SM