IC201 < IF/Video/Chroma/Def.> TB1262F
-4-
IC Block Diagrams
Cync. out
H.AFC
H,V Sync.
AFC1/HAFC gain
V freq
wide
b
lanking
DC Resistor
BLACK DET
YS(YCbCr)
Cb2/B IN
Cbr2/R IN
Y2/CVBS2/G IN
Cb3 IN
Cb3 IN
Y3/CVBS3 IN
Cr OUT
Cb OUT
Y/MON OUT
Y/CVBS1 IN
C IN
IF DET OUT
DAC 1
DAC 3
DAC 2
Loop Filter
VIF VCO
F
SIF OUT
HVcc (9V)
SIF IN
IF GND
DC NF
SIF IN
N.C.
VIF IN
VIF IN
S-Filter
APC Filter
X' tal
CW OUT
R OUT
G OUT
B OUT
VM OUT
EXT. R IN
EXT. G IN
EXT. B IN
Y sm
ABCL IN
SDA
SCL
Bed pin
45
35
50
41
40
39
37
33
28
47
46
11
25
17
42
23
20
31
27
26
32
4
74
67
78
1
69
3
71
73
70
65
68
58
61
53
52
51
55
57
56
59
54
62
43
66
36
19
44
49
48
12
13
14
18
21
22
79
80
9
7
6
34
72
75
76
77
Dig.
VDD
Dig.
GND
RGB Vcc
(9V)
YC Vcc
(5V)
V RAMP
V OUT
EHT IN
EW OUT
FBT IN
H OUT
VD
HD SCP OUT
YC GND
H DRIVE
AFC2
Pa
la
G
Ba
w
IIC Bus
IF
-EW
-
Coner(T/B)
Siz
e
T
rapez
e
P
a
rabola
V/EW
-EW
-
Siz
e
V Centre
V Linear
V-
S
SIF IN
FM Filter
IF Vcc(9V)
RF A
G
C
IF A
G
C
IF Vcc(5V)
SA
W
SA
W
-1 st SIF-
QSS demp
AM demo
VIF/SIF
-VIF-
VCO
S-T
ra
p
AFT (to Bus)
neg/pos
SIF
BPF
FM(AM)
RGB
-->YUV
Y1 Pr
oc.
C-T
ra
p
Y Dela
y
Chr
oma
P
AL/
NTSC/
SECAM
YUV Switc
h
UV Pr
oc.
BBTINT
Colour
Contr
ast
Y2 Pr
oc.
Blac
k stretch
DC resistor
WPL/A.C
./
WPS
RGB Pr
oc.
YUV
->RGB/SW
Cut off/Dr
iv
e
Y/C
YCbCr2
YCbCr3
