Specifications

Circuit Descriptions, Abbreviation List, and IC Data Sheets
EN 45TE3.2E CA 9.
9.4.3 Diagram A2, STV224X (IC I300)
Figure 9-3 Internal block diagram and pin configuration
S T V 2248H
APR
BCL/SAF
RGB
CONTRAST
BRIGHT.
DRIVE
CUTOGG
BLANKING
LUMA DL
PEAKING
& CORING
ACC & ACC
OVERLOAD
BANDPASS
FILTER
Sound Subcarrier
W/B SPOT
INVERTER
PLL Reference
Carrier
XTAL3/BTUN
ROSD
FBOSD/HC
GOSD
BOSD
BCL/SAF
I
CATH
ROUT
GOUT
BOUT
VERT
HOUT
3
LFB/SSC
SLPF
X1/VAMP/CHROUT
CLPF
XTAL1
XTAL2
AM/FMOUT/SC
EXTAUDIOIN
AUDIOOUT
BLACK
STRETCH
CHROMA
TRAP
FILTER
TUNING
BELL
TUNING
SAT./CONT
MATRIX
YUV
SWITCH
DEEMP.
FM Mono
AM
Mono
49
Mute
SOUND BP
FM DEMOD
AGC
AGC
TUNER AGC
PLL
AFC
HORIZONTAL
2nd LOOP
HORIZONTAL
1st LOOP
AUTO IDENT.
KILLER
PAL/SECAM/NTSC
DEMODULATOR
VERTICAL
SCANNING
SYNC.
SEP
CHROMA
DL
VAMP DC
CONTROL
I²C BUS
DECODER
AUDIO
REF
4
V
REF
SCL SDA
52 51
53
V
CCD
54
GNDD
V
CCIF
10
GND
IF
12
45
V
CC1
43
GND1
V
CC2
19
GND2
17
56
FMCAP
23
CHR
22
Y/CVBSIN3
20
CVBSIN2
18
CVBSIN1
44
CVBSOUT2
13
INTCVBSOUT
29
NTBC/CVBSOUT1
15
PIFLC1
16
PIFLC2
7
PIFIN2
6
PIFIN1
HALF
CONTRAST
VOLUME
21
BS
28
FBEXT
27
REXT/Cr
26
GEXT/Y
25
BEXT/Cb
IFPLL
9
1
SIFIN1
2
SIFIN2
5
AGCPIFCAP
8
TUNERAGCOUT
3
AGCSIFCAP
RGB
TO YUV
LIMITER
I
CATH
SENSE
AVL
37
36
35
34
24
APR
46
33
32
31
30
47
48
50
Mute
42
414039
38111455
BELL
FILTER
RGB
SWITCH
G_16010_024.eps
130206
Pin Configuration / Connection Diagrams
Block Diagram
SIFIN1
SIFIN2
AGCSIFCAP
V
REFIF
AGCPIFCAP
PIFIN1
PIFIN2
TUNERAGCOUT
IFPLL
GND
IF
AM/FMOUT/SC
V
CCI F
INTCVBSOUT
EXTAUDIOIN
PIFLC1
PIFLC2
V
CC2
CVBSIN1
GND2
CVBSIN2
BS
Y/CVBSIN3
CHR
APR
BEXT/Cb
GEXT/Y
REXT/Cr
FBEXT
FMCAP
AUDIOOUT
GNDD
V
CCD
SDA
SCL
SLPF
LFB/SSC
HOUT
VERT
BCL/SAF
V
CC1
CVBSOUT2
GND1
X1/VAMP/CHROUT
CLPF
XTAL1
XTAL2
XTAL3/BTUN
ROSD
GOSD
BOSD
I
CATH
ROUT
GOUT
BOUT
NTBC/CVBSOUT1
FBOSD/HC
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