Adv7172 (Digital Pal/Ntsc Video Encoder With Six Dacs (10-Bits)) - Integra DTR-4.6 Service Manual

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ADV7172 (Digital PAL/NTSC Video Encoder with Six DACs (10-Bits))

BLOCK DIAGRAM
48 43
14
HSYNC
FIELD/
15
VSYNC
16
BLANK
RESET 44
TTX 41
TELETEXT
INSERTION BLOCK
TTXREQ 40
8
4:2:2 TO
P0-P7
2
8
4:4:4
|
(COLOR
INTER-
9
POLATOR
DATA)
8
TE
L 13942296513
PIN LAYOUT
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10 45 14 20
VIDEO TIMING
GENERATOR
BRIGHTNESS AND
CONTRAST CONTROL
ADD SYNC
Y 8
INTERPOLATOR
VCrCb
TO U
SATURATION CONTROL
YUV
8
MATRIX
ADD BURST
V 8
INTERPOLATOR
CONTROL CIRCUIT
48 47 46 45 44 43 42 41 40 39 38 37
V
1
AA
P0
2
P1
3
P2
4
P3
5
P4
6
TOP VIEW
P5
7
P6
8
P7
9
CSO_HSO
10
V
11
AA
GND
12
13 14 15 16 17 18 19 20 21 22 23 24
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8
21 17
2
I C MPU PORT
LUMA
PROGRAMMABLE
10
FILTER
SHARPNESS
FILTER
10
PROGRAMMABLE
CHROMA
10
FILTER
REAL-TIME
39 12,13,18,26,31,47
Q Q
3 6 7 1 3
SCRESET/RTC GND
COMP1
36
DAC A
35
V
34
AA
DAC B
33
V
32
AA
GND
31
V
30
AA
DAC C
29
DACD
28
V
27
AA
GND
26
DAC E
25
.
2 9 9 4 2 8
10 10
YUV TO 10BIT
RGB
MATRIX
10
10
10BIT
YUV
LEVEL
10
10
CONTROL 10BIT
BLOCK
DAC
CONTROL
BLOCK
10
10BIT
10
10
MODULATOR
10BIT
10
HUE
10 10
CONTROL
10BIT
10 10
DAC
SIN/COS
CONTROL
DDS SLOCK
BLOCK
1 5 0 5 8 2 9 9 4
m
co
DTR-4.6
9 9
35 DAC A
DAC
33 DAC B
DAC
29
DAC C
DAC
37 VREF
22
RESET2
23 COMP2
25 DAC E
DAC
24
DAC F
DAC
28
DAC D
DAC
38 RESET1
36
COMP1
2 8 9 9