-5-
IC201 < CPU/IF/Video/Chroma/Def.> LA76931AD56S1-E
IC Block Diagrams
1
2
3
45
6
7
8
9
1
0
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
PLL
DEMO
VCO
ADJ
VIF
VIF
AMP
IF AGC
RF AGC
VIF AGC
FIL
VIF IN1
VIF IN2
RF AGC
FIL
+
VIF APC
+
+
VIF GND
SECAM BELL
FIL
5.7 VREG OUT
CVBS1 IN/YIN
YC
CHROMA
VCC
+
CVBS2 IN/CIN
YC
ABCL
IN/EHT
IN
CVBS4 IN/C-SYNC IN
8.7 VREG OUT
EW OUT
F
AST
SW
VIDEO SW
C-TRAP
AFT
SOUND
TRAP
LOCK
DET
QIF
DET
SAW
TEST0
TEST1
P20
P21
P1
1/MFT0A/MFT1B
P02/CSIO_RXDMFT3AMFT0B
1.5V DVDD
P04/CSIO_SCLK
P03/CSIO_TXDMFT5AMFT68
DVSS
P01/SCL0
P00/SDA0
P05/UAR
T_RXD/AD3
P06/UAR
T_TXD
P07/INT0/AD2/UAR
T_R
TS
P10/INT1/AD1/UAR
T_CTS
IIC
Decoder
ROM
RAM
I/O
CPU
Core
vco
OSD
RESET
Power
Manage
HV BLK
DRIVE
CUT
OFF
BRIGHT
CONTRAST
OSD MIXING
RGB MA
TRIX
COLOR
FA
S
T
S
W
VER
TICAL
COUNT
DOWN
HORIZONT
AL
COUNT
DOWN
SYNC
SEP
AFC1
H VCO
AFC2
V RAMP
CbCr
Y
RGB to
YUV
CONVER
T
G
B
R
VCXO
DDS
VIDEO PRO
Y
DELA
Y
SHARPNESS
BLACK STRETCH
Y
MUTE
CHROMA
PRO
C-BPF/APC
P
A
L/NTSC/SECAM
KILLER/ID
ACC
6dB
AMP
BASEBAND
TINT
MIX/SBPF
LIM/FM DET
AF AMP
AT
T
VIDEO LINE OUT
CHROMA GND
X'TAL
C-APC FIL
Cr IN/R IN
Cb IN/B IN
CVBS3 IN/YIN YCbCr/G IN
SECAM PLL FIL
VRAMP AGC
FIL
DEF GND
FBP IN
H OUT
DEF VCC
AFC1 FIL
VRAMP CAP
A
VRAMP OUT
2.2 VREGOUT
IM OUT/FSCOUT
P14/AFT(AD0)
P15/SDA1/MFT2A/MFT3B
P13/CSIO_SRDY/AD4
P16/SCL1/MFT1A/MFT2B
P12/MFT4A/MFT5B/AD5
P17/AD7(AKB)
RESET
P23/MFT7A/MFT4B
P22/MFT6A/MFT7B
AVSS
3.3V DVDD
3.3V AVDD
4.0 VREGOUT
VREG VCC
B OUT
G OUT
R OUT
SVM OUT
HI VCC (8V)
DIRECT OUT
AUDIO ATT(L)
OUT
AUDIO ATT(R)
OUT
QIF OUT/INT .CARRIER OUT
SIF MIX F/B
AUDIO BYPASS
EXT AUDIO(R)
IN
EXT AUDIO(L)
IN
VIF VCO F/B
VIF VCC
QIF IN/SIF IN
+
+
+
+
+
+
SM_29-BA4E(FC7-AR)Malay 9/4/07 6:55 PM Page 5
