Pioneer DV-646A Service Manual page 97

ADV7190KST (AVJB ASSY : IC601)
• Video Encoder IC
•
Pin Arrangement
•
Block Diagram
PAL_NTSC
VSO/CLAMP
HSYNC
VIDEO TIMING
VSYNC
GENERATOR
BLANK
RESET
TELETEXT
TTX
INSERTION
TTXREQ
BLOCK
10
YCrCb
Y
TO
10
YUV GAMMA
U
10
MATRIX CORRECTION
V
10 10 10
P0
DEMUX
P15
CLKIN PLL
CLKOUT
64 63 62 61 60 59 58 57 56
1
P0
PIN 1
P1 2
IDENTIFIER
P2 3
4
P3
P4 5
6
P5
ADV7190/ADV7191
7
P6
P7 8
9
P8
P9 10
P10 11
P11 12
P12 13
14
P13
15
P14
P15
16
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
NC = NO CONNECT
CSO_HSO
CGMS/WSS
AND
CLOSED CAPTIONING
CONTROL
BRIGHTNESS
CONTROL
AND
ADD SYNC
AND
10
INTERPOLATOR
DNR
Y
AND
10
SATURATION
U
CONTROL
10
AND
V
ADD BURST
AND
INTERPOLATOR
ADV7190/ADV7191
55 54 53 52 51 50 49
R
48
V
47
46 COMP 1
45 DAC A
DAC B
44
V
43
42 AGND
LQFP
41 DAC C
TOP VIEW
40
DAC D
(Not to Scale)
39
AGND
V
38
37
DAC E
36
DAC F
35 COMP 2
R
34
33
AGND
SCL SDA ALSB
2
I C MPU PORT
YUV-TO-RGB
MATRIX
AND
YUV LEVEL
CONTROL
PROGRAMMABLE
BLOCK
LUMA FILTER
AND
SHARPNESS
FILTER
PROGRAMMABLE MODULATOR
CHROMA AND
FILTER HUE CONTROL
REAL-TIME SIN/COS
CONTROL DDS
CIRCUIT BLOCK
SCRESET/RTC/TR
SET1
REF
AA
AA
SET2
M I
10-BIT
U N
DAC
L T
T
E
10-BIT
I
R
DAC
P
P
L O
10-BIT
E L DAC
X A
E T
DAC
I
R O
CONTROL
N
R
BLOCK
T
E
10-BIT
R
DAC
P
O
10-BIT
L
DAC
A
T
10-BIT
O
DAC
R
DAC
CONTROL
BLOCK
DV-646A
DAC A
DAC B
DAC C
V
REF
R
SET2
COMP2
DAC D
DAC F
DAC E
R
SET1
COMP1
97