Daewoo DTQ-26S1FC Service Manual page 25

DESCRIPTION OF SEMICONDUCTORS
LA7674 (VIF/SIF/VIDEO/CHROMA/DEFLECTION)
1. Case Outline : SDIP 52P
2. Pin Connections/Block Diagram
FM
IF
EX A
FM
A
GND
RF AGC
VCC
VXO
VCC
FBP
H
H
H
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IC501 LA7674
IF/VIDEO/CHROMA/DEF
1
DET
2
AGC
3
IN
4
DET
5
NFB
FM- FM-
6
ATT
OUT
DET DET
7
8
IF
IN
VIF
AMP
9
IF
IN
RF-
10
AGC
11
IF-
AGC
12
APC
APC
13
VCO
14
TINT
15
R
IN
16
G
OSD
IN
17
B
IN
18
R-Y
19
G-Y
20
B-Y
21
-Y
FBT-
22
IN
DET
23
OUT AFC
2
24
H
OD
HOR
25
OSC
C/D
26
AFC AFC
1
LOCK APC
52
IF
DET DET
51
VCD
VIDEO
VCO
DET
50
VCO
49
RF AGC
VIDEO
AMP
48
SIF
LIM
47
AFT
AMP
46
AFT
AFT
45
AFT
44
V
43
AV S.W
42
IN V
41
TINT
40
EX. VIN
39
CONT
ACC
KILL-
ER
38
VIDEO
37
GND
2NA IST
BPA BPA
36
COLOR
35
BDET
BLACK
EXPAND
34
Y
33
SHARP
SHARP
SOFT
32
CLAMP
31
BRIGHT
30
V
CLAMP
D.L
BRIGHT
29
S.
VER
SYNC/
VER 28
V. OUT
SYNC-
SEP
C/D
SEP
27
H.DET
HOR
COIN
20
APC
IN
OUT
DET
IN
IN
CCH
SEP