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■ IC Block Diagrams
● Digital Decoder (IC401: VPC3230D)
CIN
Analog
VIN1
Front-end
VIN2
VIN3
AGC
VIN4
2XADC
VOUT
Y/G Processing
RGB/
Analog
U/B
YCrCb
Component
FB
Front-End
U/R
RGB/
4XADC
FB
YCrCb
● 3D Y/C Separation / Noise Reduction (IC7101: UPD64082GF)
Y
Adaptive
Colour
Comb
Decoder
Filter
NTSC
Cr
PAL
NTSC
SECAM
Cb
PAL
Saturation
Tint
Y
Cr
Matrix
Contrast
Cb
Saturation
Brightness
FB
Tint
Y 2D Scaler
Mixer
RIP
Cr
Contrast
Cb
Brightness
Peaking
2
I
CBus
Clock
Gen.
2
20.25MHz
I
CBus
-29-
Output
YOUT
Formatter
Cr,Cb
OUT
ITU-R 656
ITU-R 601
YCOE
Memory
FIFO
Control
CNTL
CL Clock
Sync
+
H Sync
Clock
V Sync
Generation
AVO
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