Daewoo DTH-14Q1FS Service Manual page 28

F.IC BLOCK DIAGRAM
1.LA7688: VIF/SIF/VIDEO/CHROMA/DEFLECTION 1-CHIP IC
AUDIO FILTER
COMP. VIDEO OUT
EXT. AUDIO IN
EXT. VIDEO IN
HOR. OUTPUT
FBP IN/BGP OUT
SIF IN
1
RF AGC VR
2
APC1 FILTER
3
4
VCO
5
VCO
6
AFT OUT
7
8
FILTER-REF/
9
S-VHS SW
INT VIDEO IN
10
CONTRAST
11
12
SHARPNESS
13
14
GND
15
VIDEO OUT
16
COLOR
17
TINT
18
BRIGHTNESS
19
VERT. OUT
20
50/60
21
AFC
22
HOR. X-TAL
23
HOR. VCC
24
25
26
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
FM-DET OUT
AUDIO OUT
RF AGC OUT
IF GND
VIF INPUT
VIF INPUT
IF AGC
VIF VCC
SIF VCC
APC FILTER
X-TAL
X-TAL
VCC
DEMO OUTUT(R-Y)
DEMO OUTUT(R-Y)
ALC INPUT(R-Y)
ALC INPUT(B-Y)
R-OUT
G-OUT
B-OUT
BLACK STRETCH
OSD R
OSD G
OSD B
OSD Ys IN
X-TAL SW