Yamaha DVD-S1700 Service Manual page 23

IC51: ADV7320KSTZ (MAIN P.C.B.)
Video encoder
HD PIXEL
Y
INPUT
DE-
TEST
INTER- CR
PATTERN
LEAVE
CLKIN_B
CB
P_HSYNC
P_VSYNC
GENERATOR
P_BLANK
S_HSYNC
S_VSYNC
GENERATOR
S_BLANK
CLKIN_A
CB
DE-
TEST
INTER-
CR
PATTERN
LEAVE
SD PIXEL
Y
INPUT
STANDARD DEFINITION
CONTROL BLOCK
COLOR CONTROL
BRIGHTNESS
DNR
GAMMA
PROGRAMMABLE
FILTERS
SD TEST PATTERN
D
Y9–Y0
E
PROGRAMMABLE
C9–C0
M
RGB MATRIX
S9–S0
U
X
HIGH DEFINITION
CONTROL BLOCK
HD TEST PATTERN
COLOR CONTROL
HSYNC
ADAPTIVE FILTER CTRL
TIMING
VSYNC
SHARPNESS FILTER
GENERATOR
BLANK
CLKIN_ A
PLL
CLKIN_B
Simplified Functional Block Diagram
SHARPNESS
Y COLOR
AND
CR COLOR 4:2:2
ADAPTIVE
CB COLOR
FILTER
4:4:4
CONTROL
TIMING
CLOCK
CONTROL
AND PLL
TIMING
DNR COLOR SYNC
GAMMA CONTROL INSERTION
Detailed Functional Block Diagram
V _
DD IO
Y0
Y1
Y2
Y3
Y4
ADV7320/ADV7321
Y5
Y6
TOP VIEW
Y7
(Not to Scale)
V
DD
DGND
Y8
Y9
C0
C1
C2
ADV7320/
ADV7321
12-BIT
DAC
O 12-BIT
V DAC
E
R
12-BIT
S
DAC
A
M
12-BIT
P
DAC
L
I
N
12-BIT
G
DAC
12-BIT
DAC
2
I C
INTERFACE
TO
U
UV SSAF
RGB
V
MATRIX
LUMA
AND 2 uOVER-
MODU-
CHROMA SAMPLING
LATION
FILTERS
S_BLANK
R
V
COMP1
DAC A
DAC B
DAC C
V
AGND
DAC D
DAC E
DAC F
COMP2
R
EXT_LF
RESET
DVD-S1700
DAC
PS 8 u
HDTV 2 u
DAC
DAC
DAC
SD 16 u
DAC
F
SC
CGMS
DAC
WSS
SET1
REF
AA
SET2
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