PRO-700HD
227
7
TA1276AN (VIDEO ASSY: IC5251)
CHROMA SYNC DEFLECTION PROCESSING IC
PAL/NTSC SYSTEM COLOR TV IC
¶
Block Diagram
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
fsc Output
SCP Output
SECAM Control
Y1 Output
U/Q Output
V/I Output
1H DL Control
4.43MHz X'tal
M PAL X'tal
3.58MHz X'tal
APC Filter
Vcc1 (5V)
Chroma Input
Chroma GND
Y1/Sync Input
V-Sep.
HD Output
Sync Output
DEF GND
AFC Filter
32f
H
VCO
DEF Vcc (9V)
Horizontal Output
[SW]
Bending
Correction
(External
CP/BPP Input)
FBP Input
(H/V BLK Input)
Digital GND
SDA
SCL
SENS Input
R S/H
Color Limiter
Y2 Input
U/Q Input
V/I Input
Black Peak Hold
APL Detection
VSM Output
YM Input
Vcc3(9V)
ABCL Input
TEXT GND
R Output
100IRE
=2.3Vp-p
G Output
B Output
Vcc2 (9V)
Analog OSD
R Input
Analog OSD
G Input
Analog OSD
B Input
Ys1
(Analog OSD)
Ys2
(Analog RGB)
Analog R Input
Analog G Input
Analog B Input
VP Output
G S/H
B S/H
Automatic
Filter
adjustment
fsc
Output
SCP
Output
SECAM
Control
SW
TOF
Color
Diffentiation
Delay
Line
Delay
Line
fsc
Trap
H. V.
Sync Sep
HD Output/
BPP Input
Horizontal
Drive
D/A
Converter
The double speed mode can be set by connecting Pin 23 to VCC.
(Note)
[ ] indicates for double speed mode. (External clamp pulse input mode)
Horizontal
Phase
Shift
Horizontal
Count Down
Vertical
Count Down
Mode
SW
Sync
Output
Phase
Detection
<AFC-1>
Phase
Detection
<AFC-2>
H BLK
(External
VBLK)
H Parabola
Register
VP Output
I
2
C Bus
Decoder
32f
H
VCO
V Sync
Sep
V Sep
Delay
Line
G-Y Axis
Matrix
Unicolor
Color
Peak
Detection
High Bright
Color
Cut-Off
Cut-Off
IK
R S/H
CDE
Clamp
SW
Delay
Line
IQ-UV
Converter
IQ-UV
Clamp
Fresh
Color
Halftone
Color
Tint
Y Clamp
Black
Expansion
DC
Playback
Sharpness
Delay
Line
Sharpness
Control
Y NR
Amplifier
Sub
Contrast
RGB
Matrix
RGB
Brightness
Internal Clamp Mode
or
External Clamp Mode
Unicolor
Clamp
Halftone
WPS
SRT
Black
Level
Control
Black
Peak
Detection
APL
Detection
DL SW
YM SW
YS SW
YS SW
Cut-Off
Cut-Off
G S/H
B S/H
Cut-Off
IK
R.G.B. S/H
BLK
Clamp
Clamp
Drive
OSD
Amplifier
ACL
SW
SW
RGB
Output
HPF
ABCL
Amplifier
VSM
Amplifier
VSM
Mute
1H DL
Control
Chroma
VCO
Chroma
BLK
Sub
Color
APC
Detection
ACC
Detection
ACC
Amplifier
TOF
SW
SW
P/N
Differentiation
Detection
Chroma
Demoduration
LPF fsc
Trap
CW
Matrix
Compensation
RGB
Color
Clamp
Contrast
