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1
2-15 IC Block Diagram
G
24
23
SYNC IN
25
DA OUT
26
27
REF
LPF
F
28
TRAP
FILTER
29
RPD
30
GND1
31
SEN
SCK
32
E
SDAT
33
34
VD
XCLK
35
PCF
36
D
IC6103
AN2903FJQ
VIDEO/AUDIO AMP
49
50
DV
15dB
51
C
52
15dB
53
DC
54
55
S-DC
56
57
B
VREF
58
SP
59
60
VCC
61
SP
62
GND
63
SP
A
64
1
2
IC3401
CXA3582R
LCD DRIVER
22
21
PICTURE Gain PICTURE
PICTURE
ATT
DL
MATRIX
MUE
ATT
COLOR
DL
ATT
DA
DA
MUE COLOR
REF
R,G,B
SUB
USER-
GAMMA1
CONTRAST
CONTRAST
BRIGHT
GAMMA2
USER-
CONTRAST
BRIGHT
SYNC SEL
SYNC SEP
PHASE
CLOCK
COMPARATOR
GENERATOR
SERIAL I/F
H.FILTER
PLL
TIMING GENERATOR
COUNTER
+3V
0V
37
38
39
40
41
42
48
47
46
45
44
43
GND
AND
IF
DY
15dB
STB
DDS
DDS
W
B
MIX
DDS
B
DC SHIFT
VCC
2.2K
1/2VCC
1
2
3
4
5
6
2
3
20
19
18
17
16
15
MODE
PSIG-
BRIGHT
SUB-
OSD
BRIGHT
1
2
BLIM
S/H
BLIM
3V ANALOG PART
PRP
COM
COM
12V ANALOG PART
XSTBY2
3V DIGITAL PART
+3V
0V
43
44
45
46
47
48
42
41
40
39
38
37
36
GND
GCA
3dB
CLAMP
GCA
3dB
MUTE
EVR
EVR
MUTE
MUTE
DC SHIFT
DC SHIFT
7
8
9
10
11
12
13
3
- 11 -
4
14
13
12
G OUT
G DC DET
11
10
R OUT
9
R DC DET
8
B OUT
7
B DC DET
6
COM
5
GND2
4
TEST
3
VST
2
VCK
1
EN
35
34
33
32
ATT
-9dB
31
LPF
30
BUFF
29
28
BPF
ATT
BUFF
GND
27
-9dB
26
EVR
CTL
25
VREF
LPF
24
23
LPF
22
VCC
MUTE
21
MUTE
TC
MUTE
20
DC SHIFT
CTL
MUTE
19
CTL
18
17
14
15
16
4
G
F
E
D
C
B
A
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